Technical Articles
A Diagram Instruction of Glow Wire Test Method for Electrical Appliances
Sep 23, 2018 1 commentsYou may be a bit of a stranger when it comes to the IEC（International Electrotechnical Commission）, but when it comes to the glow wire (GWT) test, everyone in engineering plastics should have heard about it….
UL Fire and Security Sector Testing
Apr 20, 2017 0 commentsUL fire and security sector are mainly for fire protection, security and signaling, personal protection equipment. Here are the detailed testing methods. UL 181－Factory-Made Air Ducts and Air Connectors UL 181A－Closure Systems for Use with…
Differences of Smoke Density Test between ISO 5659 and ASTM E662
Feb 17, 2017 1 commentsSmoke is one of the most risky factors of fire to cause death. Researchers usually use smoke density to measure the smoke amount of material during the combustion. The more smoke burning materials released, the…
Why polyurethane products fail in the building material flammability tests?
Oct 06, 2016 0 commentsIt is wired that some good qualified imported products will be out of the Chinese qualified flammability building materials market because it could not reach the requirements of Chinese standards of limited oxygen index for…
