Resin:
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Polypropylene (PP)
323 F, 161 C
305 F, 152 C
194 F, 90 C
32 F, 0 C

* Polypropylene products produced for some filtration applications are manufactured to comply with FDA regulations for food contact and USP Class VI for pharmaceuticals. The regulation compliance is product number dependant.

Resin:
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Low Temperature Brittleness, F₅₀:

High Density Polyethylene (HDPE)
266 F, 130 C
248 F, 120 C
158 F, 70 C
-104 F, -76 C

* Non-FDA Approved, unless otherwise specified as FDA approved material.

Resin:
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Medium Density Polyethylene (MDPE)
260 F, 126 C
262 F, 128 C
178 F, 81 C
-104 F, -76 C

* Non-FDA Approved, unless otherwise specified as FDA approved material.

Resin:
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Low Temperature Brittleness, F₅₀:

Low Density Polyethylene (LDPE)
248 F, 120 C
203 F, 95 C
113 F, 45 C
-99 F, -73 C

* All natural LDPE products are manufactured to comply with FDA regulations for food contact.

Resin:
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Nylon 6
428 F, 220 C
374 F, 190 C
347 F, 175 C
122 F, 50 C

* Nylon Complies with FDA regulations for food contact.

Resin:
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Certifications:

Polytetrafluoroethylene (PTFE)
2.14
500 F, 260 C
608 -644 F, 320 -340 C
250 F @ 264 psi
Food and Drug Administration, Code of Federal Regulations, CFR 21, sections 177.1550, 177.260, 175.300, 175.105, 176.170 and 176.180

Resin:
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Polybutylene Terephthalate (Polyester)
437° F 225° C
360° F 182° C
310° F 154° C
140° F 60° C
* PBT complies with FDA regulations for food contact