亚洲二区在线播放,欧美曰韩不卡一区二区三区,丰满少妇一级毛片免费播放,国产精品r级最新在线观看,免费高清视频一区二区三区,白丝美女自慰网站,女性喷液过程高清免费视频,亚洲国产成人久久综合下载,亚洲日韩va无码中文字幕,人妻无码专区视频

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