28 mm, Apparel
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White Polypropylene Cap With Teflon Liner
DWK Life Sciences (Wheaton)Ideal for high purity chemicals, strong acids, solvents Excellent for environmental samples, pharmaceuticals and diagnostic reagents Teflon-faced foamed polyethylene liner offers the excellent chemical resistance of Teflon with the compressibility and sealing properties of polyethylene foam.
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White Polypropylene Cap With Poly-Vinyl Liner
DWK Life Sciences (Wheaton)Suitable for a wide range of applications Excellent moisture barrier Good for mild acids, alkalis, solvents, alcohols, oil and aqueous products Cap liner consists of one mil poly vinyl film bonded to one mil HDPE on a #30 white pulp paper backing. Superior to plain pulp paper because…
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Black Phenolic Cap With Rubber Liner
DWK Life Sciences (Wheaton)Resistant to moisture vapor Chemical barrier Autoclavable Caps have excellent properties of resilience. The 14B white rubber lining material consists of homogeneous sulfur cured styrene-butadiene rubber. FDA Status complies with 21CFR 177.26, "Rubber articles intended for repeated use."
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Narrow Mouth and Wide Mouth Bottle Replacement Closures
Thermo Scientific NalgeneFit Thermo Scientific™ Nalgene™ Narrow Mouth and Wide Mouth Bottle Replacement Closures onto Nalgene narrow mouth and wide mouth bottles.
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28-400 Cap, Phen Blk, Poly-Seal Liner
DWK Life Sciences (Wheaton)Black phenolic screw cap Poly-Seal liner is manufactured from low density polyethylene Unique cone liner design offers superior torque retention and excellent sealing characteristics It is recommended that liner be tested prior to use for leak resistant applications
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Bulk White Closures
I-ChemLDPE foam-lined white polypropylene cap Bottles sold separately: 013-series and 012-series Recommended for general purpose sampling where cleaning and certification is not required, or ready for your own cleaning and certification procedures Economically bulk packed Includes:…
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Black Phenolic Screw Cap With Foil Liner
DWK Life Sciences (Wheaton)Aluminum foil-faced pulp board liners Use these caps with organic solvents