综合
PA66美国杜邦70G33HS1L NC Zytel®70G33HS1L杜邦尼龙66尼龙70G33尼龙树脂 防火尼龙
PA66美国杜邦70G33HS1L-NC010 Zytel®70G33HS1L 杜邦尼龙66尼龙FR50尼龙树脂防火尼龙