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High Molecular Ammonium Polyphosphate(n>1000)
Synonyms: APP
Formula:(NH4PO3)n
CAS NO:269-789-9
Application: It can be used in expanding fireproof material, such as polyurethane, UP resin and epoxy resin. Also used in the retardant of fibre, wood and plastic. APP is main ingredient of expanding retardant thermoplastic because of its high molecular weight and good heat stabilization.Especially used in the PP achieving UL94-V0 for electronic unit.
Quality Standard:
P %（w/w） |
31.0-32.0 |
N %（w/w） |
14.0-15.0 |
Ph （10% suspension ） |
5.5-7.0 |
Moisture%（w/w） |
≤0.25 |
decomposed temp. on heat ℃ |
≥275 |
density 25℃kg/L |
About 1.9 |
bulk density 25℃kg/L |
About 0.7 |
viscosity （25℃，10% suspension ）mpa.s |
≤100 |
Solubility （g/100cm3 water ） |
About 0.5 |
grain sizeum |
About 15 |
Shandong Tianyi Imp.&Exp. Co.,Ltd.
Plant Add: Binhai Economic Development Area, Weifang, Shandong， China
Office Add: Building-42, HQ Base of Weifang, No.2998 Beihai Road, Weifang, Shandong, China
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