国产成人综合久久亚洲精品_久久精品无码一区二区毛片_丝袜无码中文字幕在线手机_亚洲一区二区变态丝袜

Chemical composition:acryloyl polyoxyalklerher

Technical index:

Appearance: Transparent yellow liquid

Color: ≤80(Pt-Co)

Hydroxyl value: 45±8 mg KOH / g

Acid value: ≤0.3mg KOH / g

Double bonds: ≥0.5mmol / g

Water: ≤0.5 % (wt %)

Packing and storage:200kg iron drum, 50kg plastic barrel. shelf life: two years.