WHEATON® Black Phenolic Screw Cap, 33-430

WHEATON® Black Phenolic Screw Cap, 33-430

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• Rubber lined caps feature a nontoxic white styrene-butadiene rubber liner ideal for cell culture work
• Aluminum foil faced pulp board liners can be used with organic solvents. Good resistance to hydrocarbons, oils, ketones and alcohols Not good for acids or alkalis.
• Use low density polyethylene (LDPE) lined caps with distilled water, analytical standards and reagents
• PTFE faced (14B) styrene-butadiene rubber liner provides a totally inert inner seal and surface facing the sample or product
• Bonded PTFE faced silicone liner ideal for storage of volatile solvents, sensitive compounds and corrosive chemicals
• Poly-Seal liner (LDPE) has unique cone liner design and offers superior torque retention and excellent sealing characteristics
• Note: It is recommended that liner be tested prior to use for leak resistant applications