国产资源一区二区三区,国产美女无遮挡jk免费视频软件,夜夜爽天天爽,久久日本三级香港三级456,毛片一区二区,亚洲精品社区,日本三级久久久

1) Appearance : light yellow or colorless liquid
2) Epoxy equivalent weight: 190-210g/mol
3) Viscosity 25℃: 400-750mpa·s
4) Water: ≤0.10
5) APHA color: ≤150
6) Packaging: 200kg/internal coating of steel drum
7) HS code: 2932999099