scope:

These specifications define the physical property and performance requirements for polyolefin based positive locking fasteners.

Type I Pop-in/Slide-in mushroom stem fastener fitting into a hole or slot.

Type II Rigid back mushroom stem fastener attached to a substrate using a mechanical fastener such as (rivet, screw, metal clip, etc.).

Type III Mushroom stem fastener backed with acrylic pressure sensitive adhesive.

Type IV Plain back mushroom stem fastener attached by methods such as stapling, sewing, ultrasonic or thermo-pneumatic welding, adhesives, etc.

Type V Mushroom stem fastener with a non-woven backing attached to a substrate using adhesives such as hot melts, epoxies, etc.

Type VI Mushroom stem fastener backed with acrylic pressure sensitive adhesive to be used for applications below the beltline.