瑞士EMS/Grivory PPA GVX-7H black9915 加纤%70 高强度 ¥50.00 瑞士EMS/Grivory PPA GVX-7H nat 热稳定性 增强%70 ¥50.00 瑞士EMS/Grivory PPA HT1V-3FWA black9225 增强%30 ¥50.00 瑞士EMS/Grivory PPA HT1V-3FWA nat 玻纤增强%30 耐水解 ¥50.00 瑞士EMS/Grivory PPA HT1V-3HY black9205 玻纤增强%30 ¥50.00 瑞士EMS/Grivory PPA HT1V-4FWA black9225 玻纤增强%40 ¥50.00