Sign In | Join Free | My spintoband.com |
|
Halogen-free flame retardant APP(Ⅱ)HF-P2000 Ammonium polyphosphate HF-APP (Ⅱ) is a series of phosphorus-nitrogen based intumescent inorganic flame retardants. Among them, HF-P2000 is a high-polymeriza...