These caps are used with WHEATON glass bottles or vials. PTFE faced foamed PE liner ideal for use with high purity chemicals, strong acids and solvents. Open top caps provide access with a syringe. Open top caps with pre-slit liner are ideal for use in automated liquid handling equipment.

• White surface for writing on cap
• Offered in a variety of liner materials

Polyethylene foam provides compressibility and sealing properties, and is excellent for use with environmental samples, pharmaceuticals, and diagnostic reagents. The Poly-vinyl liner provides an excellent moisture barrier, and is good for use with mild acids, alkalis, solvents, alcohols, oils, and aqueous products. The PTFE-faced foamed PE liner is ideal for use with high purity chemicals, strong acids, and solvents.

White polypropylene screw caps feature a clear surface for writing on cap.