Tough fluoropolymer sheet withstands 3.2 million flex cycles and resists high temperatures and chemicals in applications such as tank liners and chemical plant insulation. Textiles Coated International Inc. of Amherst, N.H., makes its LFP sheet in a proprietary process based on lamination using DuPont Co.'s Teflon fluoropolymer.
The sheet contains no reinforcements to compromise chemical resistance and has tensile strength of 294 pounds per inch of width.
LFP is available in thicknesses of 0.012-0.06 inch and widths to 56 inches. It can be joined by thermal bonds or stitching.
Quick Information Card No. 75
Angus' Amical gets approval from EPA
Angus Chemical Co.'s Amical biocide and preservative has received approval from the Environmental Protection Agency for use in plastics and rubber.
Amical is a halogenated sulfone compound that does not contain arsenic.
Angus claims it is effective in preventing microbes, mildew and algae in plasticized PVC, polyurethane and other polymers.
The Buffalo Grove, Ill., firm also said it is nonirritating to skin and nonsensitizing.
Quick Information Card No. 76
Spire coating used for marker brands
Spire Corp.'s new coating is opaque in fluoroscopic examination techniques, allowing its use for marker bands on polymeric medical products such as urological and cardiovascular de-vices.
The firm claims its Spi-Sight is flexible, and provides good adhesion and precise thickness control.
The material can be applied to fluoropolymers, polyethylene, polyurethane and silicones, according to Spire of Bedford, Mass.
Quick Information Card No. 77