高温尼龙ppa Zytel HTN 53G50HSLR
ppa塑料性能 Zytel HTN FR52G30NH
51G35HSLR BK420J BK420 Zytel HTN DuPont PPA
ppa高温尼龙 Zytel HTN 53G60LRHF
ppa高温尼龙 PPA Zytel HTN 53G60LRHF
51G45HSL PPA Zytel HTN 54G15HSLR
塑料ppa 杜邦PPA DuPont PPA塑料
Zytel HTN FR52G45BL 耐高温PPA 53G60LRHF
Zytel HTN 51G45HSL DuPont PPA ppa塑料性能
Zytel HTN FR52G20NH 杜邦PPA FR52G20NH






