NSF Approved Plastics

Material Name
Color FDA USDA NSF 3A
Dairy
AG
Canada
USP
Class VI
Acetal Copolymer
Natural yes yes yes yes yes no
CPVC
chlorinated polyvinyl chloride
Gray no no yes no no no
Delrin®
acetal homopolymer
Natural yes yes yes no yes no
Hydex® 4101 PBT-P
polybutylene terephthalate - polyester
Natural yes yes yes yes no no
Kynar® PVDF
polyvinylidene fluoride
Natural yes yes yes yes no yes
Nylon
extruded type 6/6
Natural yes yes yes yes no no
Polycarbonate
food grade only
Natural yes no yes no yes yes
Polyethylene
HDPE - pipe grade
Black no no yes no no no
Polysulfone
food grade only
Natural yes yes yes yes no yes
Radel® A
polyethersulfone
Natural yes no yes no no no
Ultem® 1000 PEI
unfilled polyetherimide
Natural yes yes yes no no yes
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