Evaluation Test of Plastic Materials

VW-1 Flammability Test

Flammability test of wires, cables, insulated tapes (VW-1 Flammability test)

Most essential parts of electrical appliances such as wires, cables and insulation tapes are made of polymeric materials (plastic). The VW-1 Flammability test is required for these polymeric materials.
The VW-1 Flammability test simulates the in-use condition of these product samples. These tests require extremely specialized test equipment that few laboratories have.
At Chemitox, we conduct various flammability tests and the VW-1 test is part of them. We are currently developing the wire test standards (IEC 60332, effective from 2019) as required by IEC 62368 (audio, video, IT equipment).
UL DAP certification
We acquired the UL DAP certification for the tests listed below to ensure timely UL certification through our tests:

  • UL224 5.1 FLAME TEST – VW-1
    (NON HEAT-SHRINKABLE TUBING ONLY)
  • UL510 6, UL510A 20 FLAME
VW-1 TEST

Standards for VW-1 flammability test and target products

Standard number Standard Target object
UL224 Extruded Insulating Tubing Insulation, protection, reinforcement tube for electric wires
UL510A (UL510) Standard for Component Tapes Electrical insulating tape
UL1441 Coated Electrical Sleeving Electric wire sleeve
UL1581 Reference Standard for Electrical Wires, Cables, and Flexible Cords Electrical Wires, Cables, and Flexible Cords

Test standards and products other than VW-1 flammability test

Standard number Standard Target object
EC60332-1, -2 Tests on electric and optical fiber cables under fire conditions Electric and optical fiber cables
JIS C3005 Test methods for rubber or plastic insulated wires and cables Electrical Wires, Cables

We are currently acquiring A2LA certification for additional tests to those listed above.

Large draft for flammability tests

We recently introduced a large draft chamber (D1020 mm × W1560 mm × H2550 mm) for flammability tests to meet the requirements of the VW-1 flammability test that requires internal dimension of more than 4-cubic meter. This draft is also available for Ignite-ability test for Photovoltaic module (IEC61730-2) for full size module testing, Flammability tests for Automotive interior material (FMVSS302) and for other products.
Large draft for flammability tests
Large draft for flammability tests


Contact informaiton
PIC: Hitoshi Watanabe (Mr.)
TEL: +81-551-42-5061


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