黄色免费网站成人,久久成年视频,男女无遮挡免费视频,国产又色又爽又黄,19禁韩国美女激情视频,日本美女化妆视频,性感美女福利短视频

1) Appearance: colorless clear viscous liquid
2) Concentration (dry content): 50% (aqueous solutions) or 70% (ethanol solution)
3) Viscosity 23℃: 20000-25000mpa·s
4) K value: 45-55
5) Iodine color: ≤15
6) Tg ≈ -49℃
7) Packaging: 20kg or 180kg steel drum
8) UN code: N/A PG: N/A Hazard class: N/A
9) HS code: 39059900