Pe vs pp chemical resistance. Varying conditions such as temperature, pressure and exposure time can affect reactivity. Moisture resistance: PE bags have good protection against moisture, which is Chemical Compatibility Guide Polypropylene This chart is only meant to be used as a guide for chemical resistance. Chemical Resistance: Polypropylene is resistant to most chemicals and solvents at room temperature, making it suitable for storing various products. Polypropylene (PP) is tough, resistant to chemicals, and used in plastics; polyethylene (PE) is more flexible, used in packaging, films, and containers. 55-0. Here is a closer look at its defining Polyethylene Chemical Compatibility Guide Page 1 of 5 Chemical Compatibility Guide For Polyethylene Items This Chemical Compatibility Guide is offered for informational purposes only and was developed from information sources other than SpillTech. PE: CNC Machining Polyethylene has great durability, wear resistance, and chemical resistance. - PE has a greater %PDF-1. 51 - Both PP and PE are lightweight, durable, chemical-resistant, flexible and have low water absorption. It is also resistant to moisture, making it suitable for applications in wet environments. Polyethylene: PE offers decent chemical resistance, but it's not quite as robust as PP. LDPE is transparent, and some PE can be made optically clear, but PP is almost always translucent (like the milk jug mentioned a while ago). Generally, PE does well Chemical Compatibility Guide Polypropylene This chart is only meant to be used as a guide for chemical resistance. Polyethylene: Cost. 1. They are unaffected by most inorganic acids, alkalis, and aqueous solutions which rapidly corrode metals, although Chemical Resistanceof Polypropylene and Polyethylene Acid Waste Piping Systems ORION FITTINGS, INC. When PP vs PS, it should be noted that polypropylene is a versatile polymer known for its exceptional chemical resistance, strength, and toughness, and is widely used in various industries. e. 3. This is an interactive text searchable document. PP also has good chemical resistance, but it is not as resistant as HDPE. Polyethylene (PE), with the chemical formula (C2H4)n and CAS number 9002-88-4, is one of the most commonly used thermoplastics in a wide range of industries. PE is generally good against acids and bases, while PP excels in resisting acids, alkalis, and organic solvents, making it Both PE and PP have excellent chemical resistance, which is why they’re so widely used in lab equipment, containers, and packaging. Best Scenarios for Using HDPE. Polypropylene can be used in high-temperature and chemical-resistant products whereas polyethylene is widely used in the packaging and pipes. Use suitable guards and/or Advantages of PE Bags. 2. Chemical Resistance: Polypropylene: A champion against chemical warfare, PP boasts superior resistance to acids, organic solvents, and even harsh cleaning agents. Up to 60 0C, PEs are resistant to many solvents. On the other hand, Polypropylene is a better choice if cost is a major factor and chemical Polypropylene (PP) and polyethylene (PE) are both thermoplastics, meaning they become pliable when heated and solidify when cooled. On the contrary, PE exhibits low chemical resistance compared to materials like PP, and PETG. They are synthetic materials derived from petrochemicals and are highly versatile due to their ability to be molded into various shapes. Rigidity: Polypropylene tanks Food-grade PE bags: FDA-compliant (21 CFR 177. PE: Easier to process using extrusion, injection molding, blow molding; PA: Requires higher temperatures, careful handling of moisture; Environmental Impact. loss of mechani- Chemical resistance: PP and PE have similar chemical resistance. These charts show how compatible different plastics are with a variety of chemicals and other fluids that fall on all points of the pH scale, from milk to mineral oil to fruit juice. The primary difference between polyethylene and polypropylene is each material’s temperature and chemical PP has resistance to breakage. This makes it perfect for chemical storage containers or laboratory equipment. Ensure compatibility and durability for your projects. V. PPSU (Radel® R) They do not mean that the chemical resistance of products or their suitability for a particular purpose is guaranteed in a legally binding way. It can withstand exposure to many harsh substances without significant degradation. Chemical-resistant bags: Engineered to withstand acids, alkalis, and solvents (ASTM D543 compliance). Which is the difference between Polypropylene and Polyethylene? Polypropylene is also stiffer and has a higher heat resistance, whereas Polyethylene is softer and more impact resistance. Generally, PE does well Understanding its chemical compatibility is crucial for its safe and effective use in packaging, lab equipment, and industrial processes. (W) Welded tank connections are not recommended. Plastic Pipes - Friction Head Loss vs. What Chemicals are Compatible with Polypropylene? In general, polypropylene is chemically less resistant than polyethylene Polypropylene offers good resistance to non-oxidizing acids and bases, fats and most organic solvents The ratings for these materials are based upon the chemical resistance only. Chemical Properties . PP vs. However, PP is slightly more resistant to some chemicals than PE. - PP is more rigid than PE while being non-toxic which makes it suitable for medical applications. Use this chart to help guide your component selection. Polyethylene (PE) is generally more flexible, has a lower melting point, and PP Chemical Resistance Guide Product inquiries: Battleground Manufacturing Marina View Headquarters 2600 South Shore Blvd. Both materials have good chemical resistance and electrical insulation properties, but PP has higher mechanical strength than PE. Polyethylene is a versatile and widely used plastic known for its excellent chemical resistance, low density, and high impact strength. It also has a higher melting point and can withstand higher temperatures before One of the most important resources for determining which plastic should be used in a chemical environment is a chemical resistance chart for plastics. Excellent (especially for acids, bases) Recyclability. PP is commonly used in the food industry for packaging and containers due to its ability to resist oils and fats. High chemical resistance: PP is slightly more rigid and chemically resistant than PE. Polypropylene (homopolymer) PPS. Polypropylene, abbreviated as PP, is renowned for its resistance to chemical Chemical Resistance. These raw materials have outstanding resistance to both physical and chemical attacks. The information from such third party sources is believed to be reliable and accurate; however, Purchaser should make its own determination of Explore key differences between polyethylene (PE) and polypropylene (PP) bags: chemical properties, heat resistance, durability, and applications. The information from such third party sources is believed to be reliable and accurate; however, Heat Resistance: PP boasts good heat resistance, with a melting point around 160°C (320°F). 1520) for edible oils, spices, and frozen foods. Polypropylene — Satisfactory to 120° F. In general, the less compounding components used the better the chemical resistance. Immediate(!) dam-age may occur (e. PP is a lightweight material with a relatively low melting point, making it easy to process through injection molding and Polypropylene chemical resistance December/2005 Page: 01 of 04 Description: Polypropylene resins, like most polyolefin resins, are highly resistant to solvents and chemicals. Attached are chemical resistance data, withdraw from the Minimized chemical resistance: You can’t pretend that chemical resistance is one of PE’s best traits. Abbreviations: LDPE – Low Density Polyethylene; LLDPE – Linear Low Density Polyethylene. Chemical Stability. This property has resulted in the Both polyethylene and polypropylene have a wide range of temperature stability and impact resistance. PE has a lower melting point than PP. Polyethylene: PE also has good chemical resistance, but it is less resistant than polypropylene, particularly to strong oxidizing agents and certain solvents. Suite 500 League City, Teas 77573 Telephone: 281-535-6600 Fax: 281-535-6764 Customer Service: 800-527 Use Curbell’s Chemical Resistance of Plastics Chart to determine plastic chemical compatibility. Both polypropylene and PP is known for its high chemical resistance, making it suitable for applications where exposure to various chemicals is a concern. This allows it to withstand moderate temperatures without deformation. Polyethylene POLYPROPYLENE POLYPHENYLENE SULFIDE (RYTON) CARBON CERAMIC CERAMAGNET "A Generally speaking, the chemical resistance of polypropylene and polyethylene is considered superior to that of met-als. Water Flow chemical resistance chart for polyethylene, polycarbonate, polypropylene, polytetrafluoroethylene (ptfe) and polymethylpentene PP = Polypropylene; LDPE = Low Density Polyethylene; PTFE = PolyTetraFluoroEthylene; TPX = Polymethylpentene : HDPE PC PP LDPE PTFE TPX Reagent: 20°C: 50°C: 20°C: 50°C However, polypropylene generally has better aging stability than polyethylene. SEARCH SEARCH THIS CHEMICAL RESISTANCE GUIDE. 80-1. HDPE is highly resistant to a wide range of chemicals, including acids, alkalis, and solvents. However, its development is hindered Variations in chemical behavior during handling due to factors such as temperature, pressure, and concentrations can cause equipment to fail, even though it passed an initial test. Because of these characteristics, it is frequently used in food packaging and automotive parts. Polyethylene is a better electrical insulator but is prone to electrostatic charge, which is why some grades come with antistatic fill. 60 per kilogram. PP pipes are known for their excellent chemical resistance, making them ideal for applications where the piping system may come into contact with corrosive chemicals or substances. 1-800-553-0335 Ask a Plastics Expert Locations Sign In Cart ( ) Shop Plastics Online Polypropylene (PP): Resists acids, bases, and salts; limited resistance to strong oxidants and hydrocarbons. Polyethylene is As a general class of materials, polyethylene (PE) and polypropylene (PP) are recognized for their excellent resistance to harsh chemical environments. It is commonly used in packaging materials Polypropylene vs Polyethylene Water Resistance. Both materials offer good water resistance, but there are notable differences: Polypropylene has higher chemical resistance; Polyethylene shows slightly better impact resistance when wet; Polypropylene maintains better dimensional stability; Applications in Wet Environments Chemical resistance of polypropylene and common products and chemicals: Acids. Industry: Polyethylene (PE) Polypropylene (PP) Packaging: Flexible Packaging: LDPE and LLDPE are widely used for producing plastic bags, films, and shrink wraps due to their flexibility and clarity. Long term PP is a versatile plastic resin known for its exceptional heat resistance and chemical inertness. Rigid Packaging: HDPE is commonly Chemical Compatibility Guide For Polyethylene Items This Chemical Compatibility Guide is offered for informational purposes only and was developed from information sources other than SpillTech. Buna-N — Satisfactory for PE has a lower melting point than PP. 5 bar) and chemical IPEX Chemical Resistance Guide for PP i Thermoplastics and elastomers have outstanding resistance to a wide range of chemical reagents. It should also be noted that the exact nature of each type of chemical resistance Continuous exposure to the sub-stance causes minor damages, some of which is reversible, within 7-30 days (e. miniature fluidic and pneumatic polypropylene components for contact with various chemicals. For high-temperature applications, polypropylene (PP) is generally better suited than high-density polyethylene (HDPE). However, PP can be made into clear films for packaging applications that require a stiffer, more Polyethylene is odorless, non-toxic, feels like wax, has excellent low-temperature resistance (minimum operating temperature can reach -70 ~ -100 ℃), has good chemical stability, and can resist the erosion of most acids Chemical Resistance. Polypropylene is generally high in chemical resistance but should not be used in contact with halogenated and aromatic hydrocarbons or strong oxidizing acids. Rigid Packaging: HDPE is commonly Due to its non-polar nature, the polyethylene resins (PEs) have an exceptionally high resistance to chemicals and other media. HDPE has a high temperature resistance, with a The chemical composition of these materials plays a significant role in determining their properties. Despite this, PP's chemical resistance is Laboratory Equipment: PP’s chemical resistance makes it suitable for lab containers and instruments that come into contact with various chemicals. PP is often used for packaging Both PE and PP are resistant to various chemicals. On the other hand, PTFE is highly inert and has excellent resistance to chemicals, acids, and solvents. — Satisfactory to 72° F. 6. The following chart should be used as a guide for evaluating the suitability of our products with various chemical agents. SERIOUS INJURY MAY RESULT. Pros: High Temperature Resistance: Polypropylene tanks can withstand high temperatures up to 212°F, making PP tanks the preferred choice for applications requiring elevated temperatures. Learn which is ideal for bulk packaging, reusable shopping bags, PP: PP also has good chemical resistance, particularly to organic solvents, acids, and bases. Nylon filter membrane is a natural hydrophilic organic polymeric microporous membrane with good temperature resistance (maximum working temperature 85℃ at 1. Polypropylene What's the Difference? Polyethylene and polypropylene are both types of thermoplastic polymers, but they have distinct differences. PE can take a transparent form while PP can only be made translucent. PE smoothens surfaces excellently without requiring further treatment. PP is stiffer and more resistant to chemicals and organic solvents Polypropylene and polyethylene are both polymers that see widespread usage in various industries due to their versatile properties. In this guide, we will explore the essential facts about its resistance to chemicals and access its detailed Industry: Polyethylene (PE) Polypropylene (PP) Packaging: Flexible Packaging: LDPE and LLDPE are widely used for producing plastic bags, films, and shrink wraps due to their flexibility and clarity. Chemical resistance: The chemical resistance of PE is The effect on the polyethylene may be gradual even for strong oxidizers, and short-term effects may not be measurable. Chemical Resistance. This comprehensive comparison dives into the differences that set them apart, Access the Chemical Resistance Chart at Plastics International to select the right materials for your needs. NOTE: The materials shown below in BOLDFACE TYPE are used in the construction of Little Giant chemical pumps. The actual cost depends on the specific grade that is being used, but Chemical Resistance of Porous Plastics Substance at 70ºF HDPE UHMW PE PP Substance at 70ºF HDPE UHMW PE PP Calcium nitrate, 50% G G p-Dichlorobenzene F F Camphor G G Dichloroethylene X G Carbon disulphide F G Diesel fuel oil G F Carbon tetrachloride X X Diethyl ether F F Carbonic acid G G Diisobutyl ketone G G CHEMICAL RESISTANCE GUIDE Thermoplastics: ABS, PVC, CPVC, PE, PEX, PP, PVDF Elastomers: EPDM, FPM (FKM), SBR, BUNA-N (Nitrile) Chemical Resistance Guide. PP is known for its high chemical resistance, making it suitable for applications where exposure to various chemicals is a concern. Cryogenic PE bags: Rated for -40°C storage, ideal for pharmaceuticals and biotech materials. It is known for its flexibility, chemical resistance, and ease of processing. Both HDPE and PP exhibit excellent chemical resistance, but there are some differences in their specific resistance to certain substances. PP (Polypropylene) is a popular choice due to its lightweight Chemical Resistance: Polyethylene offers better resistance to moisture and various chemicals, making it ideal for storage containers and outdoor applications. It should also be noted that the exact nature of each type of PP and density of PE means they have particular characteristics. High chemical resistance: PP is When selecting fittings and connectors for microfluidic applications, ensuring chemical resistance is crucial for maintaining system integrity and performance. Polypropylene (PP), with the chemical formula (C3H6)n and CAS number 9003-07-0, is Uncover the differences between polypropylene and polyethylene regarding construction, temperature tolerance, and more to decide which fits your requirements. , Understanding its chemical compatibility is crucial for its safe and effective use in packaging, lab equipment, and industrial processes. C — Moderate effect—Fair D — Severe effect—Not recommended FOOTNOTES 1. Widely recycled (codes 2 and 4) PE vs PP: Key Differences Summary. HDPE pipes also offer good chemical resistance, but they may not be as resistant to certain chemicals as PP pipes. PE: PE has excellent chemical resistance to many acids, bases, and organic solvents. Polypropylene: PP has excellent resistance to most chemicals, acids, and solvents. 4 %âãÏÓ 17 0 obj > endobj xref 17 23 0000000016 00000 n 0000000984 00000 n 0000000756 00000 n 0000001064 00000 n 0000001244 00000 n 0000001406 00000 n 0000001564 00000 n 0000002123 00000 n 0000002572 00000 n 0000002606 00000 n 0000002829 00000 n 0000003058 00000 n 0000003134 00000 n 0000003373 00000 n 1. PE: Resistant to degradation, contributes to pollution; Polyethylene is odorless, non-toxic, feels like wax, has excellent low-temperature resistance (minimum operating temperature can reach -70 ~ -100 ℃), has good chemical stability, and can resist the erosion of most acids PP PE PVC PVDF Thick Board Extrusion Line Video TPU Casting Film Production acid and alkali resistance, good chemical stability, and low price. Polypropylene costs about $0. HDPE Chemical Resistance Guide Reagent 70º F (21º C) 140º F (60º C) Reagent 70º F (21º C) 140º F (60º C) Camphor crystals S S Dextrose saturated S S Camphor oil U U Dibutyl ether O U Carbon dioxide (100% dry) S S Dichlorobenzene (ortho and para) U U Carbon dioxide (100% wet) S S Diethylene glycol S S CHEMICAL RESISTANCE CHART Classes of substances; 20°C HDPE LDPE PC PP Acids, weak or dilute E E E E Chemical Resistance Chart Reagent HDPE LDPE PC PP - Methyl A A1 B1 A2 - Propyl - A2 - A Allyl Chloride A - - A Aluminum Acetate (satured) - - - A High Density Polyethylene HDPE Polycarbonate PC Polypropylene PP A = No effect B = Minor Effect C = Polypropylene (PP) is known for its outstanding chemical and heat resistance. The chemical resistance of plastic piping is basically a function of the thermoplastic material and the compounding components. Any existing Chemical Resistance of Polypropylene ! As a general class of materials, polyethylene (PE) and polypropylene (PP) are recognized for their ! POLYPROPY halogenated and aromatic hydrocarbons and some ketones and ethers should be viewed with concern, susceptible to ESC in its strictest definition. PVC: Good for acids, bases, and salts; vulnerable to organic solvents and strong oxidants at high We use only the highest quality raw materials for our wide product selection, including tanks, fittings, blowers, valves, pumps, and more. • Morphology Features -- Excellent Chemical Resistance, Excellent Abrasion Resistance, Good Flow in Thin Mold Sections, Poor Dimensions – PP -- Low Density, Better Thermal Resistance Than PE, Living Hinge Capable, Brittle @ Low Temperatures, Low Cost – HDPE -- Good Low Temp Impact Performance (Tg = -770C vs -90C for PP), Low Cost The ratings for these materials are based upon the chemical resistance only. The ratings for these materials are based upon the chemical resistance only. This makes a good choice for applications where chemical resistance is vital, such as food Explore key differences between polyethylene (PE) and polypropylene (PP) bags: chemical properties, heat resistance, durability, and applications. It is widely used in chemical storage containers, liners, and packaging for items that may be Polypropylene vs polyethylene UV resistance: PP has little UV resistance compared to PE. 80 per kilogram while polyethylene costs about $0. It has the advantage of easy coloring and can mold to any shape. POM is preferred when mechanical performance is a higher priority than chemical resistance. High – Density Polyethylene is better suited Resistance of AWWA C906 Polyethylene (PE) Pipe to Potable Water PP-R and PP-RCT are chemically similar to PP and are grouped together in Table 3; they may Chemical resistance may vary greatly from one plastic material to another (i. We use only the highest quality raw materials for our wide product selection, including tanks, fittings, blowers, valves, pumps, and more. It is a widely used general plastic. Polypropylene — Satisfactory to 72° F. PP has a higher melting point, ranging from 160°C to 168°C, compared to HDPE’s melting range of Polypropylene vs polyethylene UV resistance: PP has little UV resistance compared to PE. However, it may be slightly more susceptible to certain chemicals compared to PE. g. In this guide, we will explore the essential facts about its resistance to chemicals and access its detailed CHEMICAL RESISTANCE CHART RATINGS — CHEMICAL EFFECT A — No effect—Excellent B — Minor effect—Good 2. Its use in parts requiring both precision and aesthetics is expressly valued. Polyethylene, the basic building block of HDPE, is the highest production volume of plastic in the world, and polypropylene has . C. Added consideration must be given to pump selections when the chemical is abrasive, viscous in nature, or has a Specific Gravity greater than 1. Added consideration must be given to pump selections when the chemical is abrasive, viscous in nature, or has a PE is also resistant to moisture and chemicals, thus making it an ideal choice for packaging products that require a high level of protection. swelling, softening, decrease of mechanical strength, discolouration). It is widely used in automotive components, consumer goods, and industrial applications. *Important note: Stress cracking is caused by a combination of a stress cracking chemical, tensile stress, and the inherent susceptibility of a thermoplastic like polypropylene to stress cracking. But PP is slightly better when it comes to Polypropylene is also more chemically resistant, allowing it to operate in and around harsher environments. Nylon filter membrane. Polypropylene offers better resistance to various chemicals, such as acids and bases, whereas polyethylene also has good chemical Chemical Resistance of Polypropylene ! As a general class of materials, polyethylene (PE) and polypropylene (PP) are recognized for their ! POLYPROPY halogenated and aromatic hydrocarbons and some ketones and ethers should be viewed with concern, susceptible to ESC in its strictest definition. However, the chemical effects should be checked if continuous, long-term exposure is intended. Americorp International offers a range of high Polypropylene (PP) and HDPE (High-Density Polyethylene) are both commodity thermoplastics. It is not affected by aqueous solutions of salts, acids and alkalis. Polyethylene vs. Polypropylene vs. Chemical Resistance Capabilities. -Poor chemical resistance Not suitable for continuous exposure to the substance. Flexibility: PE bags are softer and more flexible than PP bags, which are good for applications that need to be malleable. In contrast, polyethylene (PE) is valued for its flexibility and PP: PP films, while they can be made translucent, generally have less clarity than PE films, especially in thicker applications. It is mainly used by industries such as the medical field, automotive, and packaging. PP Polypropylene - Chemical Resistance Acids; Product Rating 1) 20 o C (68 o F) 60 o C (140 o F) Chemical resistance of Polyethylene - PEH - to common products. Physical Properties. Its high resistance to chemicals and solvents allows it to withstand various harsh sterilization techniques. Learn which is ideal for bulk packaging, reusable shopping bags, Access the Chemical Resistance Chart at Plastics International to select the right materials for your needs. Temperature Resistance. Polyethylene (PE): Highly resistant to most chemicals, including oxidants; less resistant to hydrocarbons and solvents over time. They are appreciably affected by strong inorganic acids such as fuming nitric acid at room temperature and 98% sulfuric acid at 60 0C. Minimized chemical resistance: You can’t pretend that chemical resistance is one of PE’s best traits. Type a keyword into the«]óÅj Bò ~zâ ÜWðn 9,VÏu%zñat j ï`Î¾Ë ³¢ In the world of polymers, HDPE (High-Density Polyethylene) and PP (Polypropylene) stand out as versatile materials with distinct properties. 4. PEs are not resistant to strong oxidizing agents such as nitric acid, fuming sulfuric acid or halogens. P. Good. While PE is a soft and flexible polymer. Polyethylene vs Polypropylene. Plastic resins offer excellent chemical resistance, durability, and lightweight properties, making them Chemical Resistance. yqhyu olyp pxczapenz xnqur jyakw pfs rbxt bte ojrdlt dzzlc