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Kynar® PVDF resins have been tested and meet many standards that most other polymers cannot. The table below lists test standards that certain Kynar® resins meet.

CERTAIN GRADES OF KYNAR® PVDF MEET THE FOLLOWING TEST STANDARDS

TEST METHOD

PROPERTIES

ASTM E 84  (NFPA 255, UL 723)

Surface Burning Characteristics of Building Materials

ULC S102.2

Canadian Surface Burning Characteristics of Building Materials

NFPA 262  (UL 910)

Flame Travel and Smoke of Wires and Cable for Use in Air-Handling Spaces

UL 2024

Optical Fiber Raceway

FM 4910

Cleanroom Materials Flammability Test Protocol

UL 2360

Combustibility Characteristics of Plastics Used in Semi-Conductor Tool Construction

FAR 25.853

Federal Aviation Administration Smoke Density and Toxicity Performance

ASTM E 662

Optical Density of Smoke Generated by Solid Materials

ASTM E 162

Surface Flammability of Materials Using a Radiant Heat Energy Source

BS 476:7 Class 1Y

British Standard: Fire Tests on Building Materials and Structures

UL Bulletin 94 (V-O)

Test for Flammability of Plastic Materials for Parts in Devices and Appliances

UL 94 5 VA/5VB

Safety of Flammability of Plastic Materials for Parts in Devices and Appliances Testing

UL 1887

Fire Test of Plastic Sprinkler Pipe for Visible Flame and Smoke Characteristics

UL 2043

Fire Test for heat and visible smoke release for discreet products and their accessories installed in air-handling spaces

ADDITIONAL STANDARDS INFORMATION:

Kynar® 740-02 and Kynar® 1000 HD homopolymer, and Kynar Flex® 2850-02 copolymer, were the first thermoplastics to meet the ASTM E84 flame spread and smoke development requirement for materials installed in plenums. These resins meet the criteria by having a flame spread/smoke developed index of less than 25/50, respectively. Some foamed Kynar® parts with a density of 0.03 g/cc meet ASTM E84 with a 10/30 rating.

Kynar® 740 PVDF homopolymer piping, tested in accordance with Underwriters Laboratories Canada (ULC) S102.2M88, meets the flame and smoke criteria with a zero flame spread and 45 smoke generation. Kynar® 740-02 resin meets the Under- writers Laboratories (UL) 1887 Steiner Tunnel Test with a zero flame propagation, 0.02 peak average optical density, and a zero average optical density (0, 0.02, 0).

Kynar® and Kynar Flex® resins meet or exceed the requirements for NFPA 262 (UL 910 Modified Steiner Tunnel Test for Wire and Cable). Kynar® grades that pass the more stringent NFPA 255 (Steiner Tunnel Test for Limited Combustible Applications) are also available. Select Kynar Flex® resins also comply with UL 2024, a test designed for fiber-optic conduit used in plenums.

Testing in accordance with ASTM D2863 indicates that Kynar® homopolymer resin has a limiting oxygen index (LOI) of 43, that is, a 43% oxygen environment is needed for the polymer to continue to burn. Special Kynar® PVDF products are available with an LOI of nearly 100%. Kynar® homopolymer meets UL standards for a burn rating of V-O per UL 94. Also, sheets of metal coated with Kynar 500® resin exhibit zero flame spread and zero smoke developed when tested in accordance with the ASTM E84 tunnel test.

Kynar® homopolymer resins and Kynar Flex® 2850-00, 2750-01, and 3120-10 resins meet Factory Mutual 4910 (FM 4910) flame and smoke test criteria. These recent flame and smoke standards were established for semi-conductor clean room environments where fires can cause high value losses, making it essential that fire be contained within the ignition zone.

Kynar Flex® 2950-05 and Kynar SuperFlex® resins were tested and passed Federal Aviation Regulations (FAR) 25.853 testing standards designed for Federal Aviation Administration (FAA) smoke density and toxicity performance. Please feel free to contact a sales representative for further information related to specific requirements.

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