by Hannane Haddouch | May 26, 2025
Avient have launched a PIN flame retardant cross-linkable highly processable elastomer for performance cables. The LSF0H (Low Smoke and Fumes Zero Halogen) formulation can be processed with standard single-screw extruders, avoiding the need for a vulcanisation line....
by Hannane Haddouch | May 26, 2025
Non-halogenated FR for injection-moulded and extruded PP achieves fire safety and retains materials performance. The PIN FR can achieve UL 94 V-2 in polypropylene with 3% loading depending on thickness, MFI (melt flow index) and other additives. It has good dispersion...
by Hannane Haddouch | May 26, 2025
Three N-phosphorylated iminophosphoranes, with different P oxidation states, were tested, in one case achieving UL 94 V-0. The three N-P PIN FRs were derived, by reaction with sodium azide (NaN3) and trimethyl phosphite, of: DPP (diphenyl phosphite) +3; DOPO* –...
by Hannane Haddouch | May 26, 2025
Review of rail seat fire tests shows varying results with different test methods, materials and with material ageing. The use of paper as flame source in older test methods (UIC 564-2, DIN 5510-2) give less reliable results than today’s railway standard EN 16989 which...
by Hannane Haddouch | May 26, 2025
Both phenyl and phenoxy phosphorus PIN FRs showed improved effectiveness on cotton with more OH terminations. The PIN FRs tested were TPP and TPPOX (phenyl and phenoxy, both with zero acidic hydroxyl OH termination), DPPA and DPPOH (similarly, one OH), BPA and PPA...
