日韩99在线,在线一区免费播放,色五月开心开心五月激情五月,国产日韩欧美一区二区精品,特级真人做爰片

Polyether F-6

Guoli Chemical

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.

Home

Home

News

News

About us

About us

Product

Product

Contact us