43-400 Black Phenolic Screw Top Caps with Pulp & Vinyl Liner
Durable black phenolic caps provide strength and durability with heat-resistant and insulating properties. Phenolic caps are often used in laboratory environments as they are ideal for variety of aggressive products due to strong resistance to chemical corrosion and moisture absorption. Ribbed sides make opening the cap easy - even with wet hands. Caps include a pulp & vinyl liner. Pulp & vinyl liners consist of a vinyl coating applied to HDPE coated paper which is laminated to pulpboard. Considered a general-purpose liner, a pulp & vinyl liner is often used for food, beverage, and chemical applications including mild acids, solvents, oils and aqueous products. Not recommended for active hydrocarbons or bleaches.