FAQ's - ANSI/FM 4950 - Why were three categories chosen?

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Series Key

AMI products are coded by series type. Here's a quick key:

GL = 100% fiberglass
PGL = 100% carbon with a 100% fiberglass core
AGL = Aluminized foil bonded to fiberglass
FL = Composite of aramid and fiberglass fibers
FLPN = Aramid/fiberglass and partially carbonized acrylic fiber
AFLPN = Aluminized aramid/fiberglass with partially carbonized acrylic fiber
NX = Needled aramid fabric and tapes
AS = Amorphous silica
SAS = Amorphous silica coated with silicone rubber
SGL = Silicone coated fiberglass

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FAQ's > ANSI/FM 4950

Why were three categories chosen?

The three categories were based on a study of industrial fires over a 10-year period, covering a variety of hot work applications with varying degrees of severity and environmental conditions.

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FM Approved Fabrics

AMI provides an extensive range of ANSI/FM 4950 Approved welding fabrics. Click here to learn more....

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