潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Package: 25kg each net, paper or plastic bag with PE liner inside

Uses : A vulcanization accelerator with delayed action, short cure time, has high anti-burning quality and processing safety. Widely used in lots of rubber products, especially the meridian tyre. An excellent retardant with delayed action and great curing rate.

Molecular Structure:

Product description:

Accelerator TBBS (NS)

Chemical Name:N-Tertiarybutyl-2-benzothiazole sulfenamide

Molecular Formula:C11H14N2S2

Molecular Weight: 238.37

Properties: Soluble in benzene, chloroform, carbon bisulfide, acetone, methanol, ethanol, not easily soluble in gasoline, insoluble in water, acid and alkali.

Applications: A vulcanization accelerator with delayed action, short cure time, has high anti-burning quality and processing safety. Widely used in lots of rubber products, especially the meridian tyre. An excellent retardant with delayed action and great curing rate.

Packing: 25kg each net, paper or plastic bag with PE liner inside.

Storage: Keep in tightly closed bags, store in a cool, dry and ventilated place, separated from acids, alkali and oxidants.