羞羞午夜福利免费视频,亚洲日本va午夜蜜芽在线电影,无限看片的免费免费观看,中文字幕熟妇久久久人妻,中文字幕在线一区二日韩,欧美白丰满老太AAA片,婷婷综合缴情亚洲狠狠首页,樱桃视频大全免费高清版下载

Chemical Name: 2,2, 4- trimethyl-1,2-dihydroquinoline polymer
Chemical Structural:

Molecular Formula :(C₁₂H₁₅N)n n=3-4
Technical index :GB 8826-2003

Item	Excellent grade quality	First grade quality
Appearace	anber half ball particle
Softening poin oC	88-95	80-100
Ash content % ≤	0.3	0.5
Heating loss % ≤	0.3	0.5
Polymer % ≥	54.0	11
First melting point oC	77±2

Mark: Excellent grade products produced according to USA FULAIKESI Standard, First grade according to international standard.

Property:This product is amber half ball particle, specific gravity: 1.05,which could be dissolve in the benzene, chloroform, carbon bisulfide and the acetone, does not dissolve in the water. Small toxicity, low pollution, good compatibility with rubber. This product is inflammable, so when storage and transportation pays attention to the fire protection and moisture prevention.

Use:It is widely used in producing tyre, rubber shoes, rubber pipe, adhesive tape, electrical wire, electric cable and other rubber goods.

Packing: 25kg Three kind of material kraft paper bag, inlined plastic bag.

  Previous product： 2-Methyl Indole