激情四射的网站久久婷婷七月丁香|桃色五月天丁香国产综合美女在线|欧洲av免费看青草社区在线观看|亚洲合集一区在线亚洲无码1区电影|精品亚洲中文字幕色婷婷兔兔五月天|高清精品卡二V天堂在线视频|无毒无码av综合色五月天|天天婷婷丁香国产永久无码

Octylated diphenylamine (Antioxidant OD)

Chemical name:Octylated diphenylamine
Molecular formula: C20H27N
Molecular weight: 281
Properties: Light brown powder or granules. Melting point ≥87°C. It is soluble in benzene, dichlorethane, carbon disulfide, acetone and gasoline; insoluble in water.
Functions: OD is antioxidant for NR, SBR, NBR and CR. It has good protective character to heat, oxygen, flexing and crazing, and is efficient to rubber whether used together with carbon black. It has obvious thermal brittleness resistance in CR, and can increase its protective character to ozone aging. It is mainly used in tyres, tube tyres, cables, rubber tapes, rubber pipes, filling rings, etc. Normal dosage is 0.5-2 phr.
Quality index:

Package: Pack in paper bag lined with PVC film bag; net weight: 25kg/bag.
Storage: Store in dry and ventilated places. Keep away from moisture and fire.