5-Methyl-1H-Tetrazole (M5T) 銅腐蝕抑制劑
5-Methyl-1H-tetrazole (M5T) 銅腐蝕抑制劑
SPECIFICIATION
pvc.雨鞋.內裡.鞋類.服飾材料.成衣副料.運動休閒用織帶.鬆緊帶...... 本