UL SUBJECT 1321-2013
OUTLINE OF INVESTIGATION FOR POLYTETRAFLUOROETHYLENE PLASTIC SEAL MATERIALS (Issue 6)

Standard No.

UL SUBJECT 1321-2013

Release Date

2013

Published By

Underwriters Laboratories (UL)

Latest

UL SUBJECT 1321-2013

Scope

These requirements are for use in the investigation of polytetrafluoroethylene plastic in the form of tape with a minimum width of 1/2 inch (12.7 mm), or in the form of cord, where the product is intended to make threaded metal pipe joints tight against leakage. These products are evaluated when applied in accordance with the manufacturer’s instructions, to male threads of metal pipe assemblies. The products are rated for use in equipment intended to handle gasoline,gasoline/ethanol blends, diesel fuel,biodiesel/diesel fuel, biodiesel, naphtha, benzene,kerosene, petroleum oils, natural gas, propane,or butane as specified by the manufacturer.

UL SUBJECT 1321-2013 history

• 2013 UL SUBJECT 1321-2013 OUTLINE OF INVESTIGATION FOR POLYTETRAFLUOROETHYLENE PLASTIC SEAL MATERIALS (Issue 6)
• 2006 UL SUBJECT 1321-2006 Outline of Investigation for Polytetrafluoroethylene Plastic Tape@ Seal Materials (Issue 4)
• 1999 UL SUBJECT 1321-1999 Outline of Investigation for Polytetrafluoroethylene Plastic Tape@ Seal Materials (Issue Number: 3)