Cologne, Germany -- Sonderhoff Chemicals has announced that its flame-proof polyurethane flexible foam seal Fermapor K31-A-45C4-2-UL-FR complies with US fire protection regulation.
A company press release said the product had met the standard UL 94 HF-1 and also has a UL listing for US testing standard UL 50E for switch cabinets and electronic housings in non-explosion-proof areas. It also has the listing UL 508 - the US specification for electric switchgear safety.
Information about the seal’s UL-recognised status is available at the UL website www.ul.com/database
According to Sonderhoff, Fermapor K31-A-45C4-2-UL-FR, with its HF-1 UL class, achieved the highest fire protection class for polyurethane foams.
“The polyurethane foam seal from Sonderhoff is therefore classified as self-extinguishing without burning drips, which could otherwise cause their own fire, in accordance with UL94 HF-1,” stated the release.