Drying is essential. (PET, PETG) Good in luer connectors. Cellulosics Esters and Ethers 100 2013-07-02 Silicone can be finicky – it’s best to consult a compatibility chart. Teflon has great chemical resistance, and there are few products that won’t work with it. Since there is an endless list of chemicals out there, it can be helpful to consult a chemical compatibility chart to inform your decision. 304L stainless steel, a low-carbon variant of 304 steel, is used for ultra-high vacuum systems.

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Actual performance depends on the environment (dry or moist air, water, concentration of ozone, whether the materials have been modified for ozone service, etc.) and application (polycarbonate is stable in the presence of ozone but yellows over time which reduces its utility where DuPont™Teflon® PTFE Specifications TYPICAL PROPERTIES of TEFLON® PTFE ASTM or UL test Property PTFE (unfilled) PTFE (25% glass filled) PTFE (25% carbon filled) PHYSICAL D792 Density (lb/in³) (g/cm³) 0.078 2.16 0.081 2.25 0.075 2.08 D570 Water Absorption, 24 hrs (%) < 0.01 0.02 0.05 MECHANICAL D638 Tensile Strength (psi) 3,900 2,100 1,900 1990-12-01 While the Teflon trademark is licensed for use in connection with certain Nalgene labware products containing authentic Teflon brand FEP and PFA polymers, we generally refer to these fluoropolymer materials by their generic material terms on the thermofisher.com website and in literature to ensure trademark compliance. Several in vivo and in vitro studies demonstrated the good tissue compatibility of Teflon [7, 8, /0-13, 23,24,25,28].The mechanical properties of shredded Teflon favor it over several other materials as implants in microvasular decompression (MVD) operations for treatment of trigeminal neuralgia, hemifacial spasm, disabling positional vertigo, glossopharyngeal neuralgia, and spasmodic Ten polymeric materials including EPDM, Nylon 6,6, Buna-N and other materials marketed* as TFE-Teflon® (PTFE), Kel-F® 81 (PCTFE), Vespel® SP-21, Viton® A, Viton® A-500, Fluorel®, and Neoprene® were systematically evaluated for their oxygen compatibility property. Resistance E = Excellent G = Good F = Fair N = Not Recommended . Material PTFE = Polytetrafluoroethylene including of Teflon® SS = Stainless Steel (316) PE#1 = Convenional Polyethylene PE#2 = Rigid Polyethylene PP = Polypropylene PVC = Polyvinylchloride The materials can be processed in numerous ways with almost infinite variation. The properties of polymers are determined by a number of factors including crystallinity, density, chain orientation, cross-linking, purity, phase distribution, etc.

PTFE Chemical Compatibility Chart A Suitable B Consult with TEADIT C Not recommended PRODUCT TF1570 TF1580 TF1590 Teadit 24SH Teadit 24B TF 1510 Benzyl Alcohol A A A A A Benzyl Chloride A A A A A Beta-Propiolactone A A A A A Biphenyl A A A A A Bis(2-chloroethyl)ether A A A A A PTFE is the most versatile plastic in terms of chemical compatibility Highly resistant to most acids, alcohols, detergents and solvents Ideal for use with reactive and corrosive chemicals The melting point of PTFE 1 is 600°K (327°C / 620°F) The chemical compatibility of LDPE and HDPE on this chart is tested at 20°C: and 50°C: for 7 days and 30 days (if applicable) with constant exposure. LDPE & HDPE resistance listed by chemical.

1.4-dioxane. LDPE / HDPE at 20°C: little or no damage after 30 days. LDPE at 50°C: shows some effect after 7 days. Chemical Compatibility Guide FFKM (Perfluoro Rubber) Perfluoroelastomers show broad chemical resistance similar to PTFE as well as good heat resistance. They show low swelling with almost all media. Depending on the material the operating temperatures range between -25 °C/-13 °F and +240 °C/+464 °F Special types can be used REFERENCEPAGES 1-800-833-7958 www.geotechenv.com fax303-322-7242 sales@geotechenv.com ChemicalCompatibilityTable For All Non-Metals For Metals R=Resistant E<2milsPenetration/Year Use dropdowns below to select a material, and then a combination chemical.

Although the effect of Teflon on different types of cells and tissues has been  Chemical resistant PTFE coatings operate in by far some of the harshest of performance conditions, many applications require resistance to strong acids, PFA  Tests of fluoropolymer coupons that have been suspended in process streams also provide useful information about the chemical compatibility of the lining. Field  Chemical compatibility chart. Chemical, Teflon® (PTFE) · PCTFE/PFA · PEEK*, Vespel® · PPS · Conductive nylon**  Chemical.
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The “other” material options to fluoropolymer-lined carbon steel containers or dual laminates are containers made of exotic metal alloys or lined with glass. Each alternative presents its own challenges. Exotic alloy metals can certainly work. MATERIAL COMPATIBILITY KEY A: Excellent resistance - little or no change in mechanical properties or weight. B: Good - In time there may be a deterioration in mechanical properties and/or a change in weight.

CHEMICAL. NYLON. PTFE. PVDF. PES. CA. RC. Environmental stress-cracking is the failure of a plastic material in the presence of certain types of Teflon and Tefzel are registered trademarks of DuPont. Compatibility. Listings.
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Titanium. A - Excellent. Tygon®. B - Good. Vamac. materials .

Like DuPont's family of Teflon® fluoropolymer resins, Tefzel® provides Table 1. Chemical Compatibility Data on DuPont™ Tefzel®. (Based on Tests of  Always use teflon sleeves with standard taper glassware when working with hydroxide solutions; it will permanently glue together all the wetted joints if not  Teflon is utilized in neurosurgery as well as in plastic, vascular and heart surgery. Although the effect of Teflon on different types of cells and tissues has been  Chemical resistant PTFE coatings operate in by far some of the harshest of performance conditions, many applications require resistance to strong acids, PFA  Tests of fluoropolymer coupons that have been suspended in process streams also provide useful information about the chemical compatibility of the lining. Field  Chemical compatibility chart.
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Reliability is crucial to effective low maintenance cost operations. To find the perfect sealing solution in each dozens of other materials), and used as an excellent hot-melt adhesive. This wide variety of fabrication possibilities combines with the following important properties to offer a unique balance of capabilities not available in other plastic films. Chemical Compatibility Tefzel™ ETFE film is chemically inert and solvent-resistant Elastomer Chemical Compatibility. Consideration must be given to the basic compatibility between the elastomer seal/gasket and any fluids that it may be in prolonged contact with.

Vamac. SFCA membrane. PTFE membrane. RC membrane.

Select a Material All Materials ABS plastic Acetal (Delrin®) Aluminum Brass Bronze Buna N (Nitrile) Carbon graphite Carbon Steel Carpenter 20 Cast iron Ceramic Al203 Ceramic magnet ChemRaz (FFKM) Copper CPVC EPDM Epoxy Fluorocarbon (FKM) Hastelloy-C® Hypalon® 2013-07-02 304L stainless steel, a low-carbon variant of 304 steel, is used for ultra-high vacuum systems. 316L stainless steel a low-carbon and low-magnetic stainless steel, used in accelerator technologies. 347 stainless steel does not accept high polish. 321 … Chemical Compatibility Guide FFKM (Perfluoro Rubber) Perfluoroelastomers show broad chemical resistance similar to PTFE as well as good heat resistance. They show low swelling with almost all media. Depending on the material the operating temperatures range between -25 °C/-13 °F and +240 °C/+464 °F Special types can be used TEFLON PROPERTIES : MECHANICAL Properties: Units: PTFE: PFA: FEP: ETFE: ECTFE: Specific Gravity: D-792: 2.18: 2.15: 2.15: 1.74: 1.68: Tensile Strength (psi) D-638: 2,000-7,000: 4,000-4,500: 2,800-5,000: 6,100-6,800: 6,000-7,800: Flexural Strength (psi) D-790: no break: no break: no break: 5,500: 7,000: Compressive Strength: D-695: 3,500: 2,200: 2,500: 1,276-1,711: Flex Life: D-2176: greater then 1,000,000 COMPATIBILITY CHART (continued) Brass 303 Stainless Steel 316 Stainless Steel Aluminum Zinc Copper Monel PCTFE Teflon Tefzel Kynar PVC Polycarbonate Kalrez Viton Buna-N Neoprene Polyurethane MATERIALS OF CONSTRUCTION Metals Plastics Elastomers Common Chemical Name Formula Isopentane C5H12 SSSS SSSSSSSS U SSSSS Krypton Kr SSSS SSSSSSSSSSSSSS this list of vulnerable materials. Most elastomers used after 1993 are compatible with B100 (Viton/Teflon).