黑几八干日本女人屄视频,国产麻豆精品一区一区三区,1024你懂的欧美日韩,中国美女操逼一级片网站

Sales Tel:
+86-530-3205777


Vulcanization accelerator M (MBT)

Chemical name: 2-Mercaptobenzothiazole
Molecular formula : C7H5NS2
Structure Formula : 
CAS NO:149-30-4 
Quality standard (GB/T11407-2013) 
Item
Top-grade
First grade
Qualified product
Appearance
light yellow or Off-white powder, granular
Initial Melting point, ℃≥
173.0
171.0
170.0
Loss on heat, % ≤
0.30
0.40
0.50
Ash, % ≤
0.30
0.30
0.30
Residue on screen(149um), % ≤
0.0
0.1
0.1
(Note: Residue on screen only for powder) 
Properties: light yellow or Off-white powder, non-toxic, Density 1.42-1.52, Freely soluble in ethyl acetate, acetone, sodium hydroxide as well as the dilute sodium carbonate, soluble in ethanol, very slightly soluble in benzene, and insoluble in water and gasoline with stable storage. 
Application: Vulcanization accelerator for natural and synthetic rubber
Package: plastic woven bag or paper-plastic laminated bag, 25 kg/bag.




  Previous product: Vulcanization accelerator DM (MBTS)
  Next product: Vulcanization accelerator TMTD

绍兴市| 湘阴县| 勃利县| 南召县| 项城市| 深水埗区| 邵东县| 商洛市| 中宁县| 肇东市| 临高县| 玉溪市| 鲁甸县| 女性| 兰州市| 尖扎县| 郁南县| 定陶县| 呼伦贝尔市| 伊宁市| 柯坪县| 新蔡县| 汾阳市| 建水县| 温州市| 乌什县| 海南省| 维西| 庆安县| 皋兰县| 呼和浩特市| 库尔勒市| 云霄县| 华坪县| 吉木萨尔县| 汤原县| 平舆县| 平乐县| 惠州市| 宜丰县| 雷州市|