防老剂 mb(antioxidant mb)
cas-no:583-39-1
化学名称: 2-硫醇基苯咪骈唑
英文名称: 2-mercaptobenzimidazole; 2-benzimidazolethiol;
分子量: 150.16
molecular weight: 150.16
用途: mb在橡胶工业上是主要的非污染性防老剂,能减少橡胶硫化时的变色。本品适于制造透明、白色及艳色制品,耐热及泡沫制品,本品不变色,不被污染。
main usage:an important pollution-free age-resistants which widely used in rubber processing.it is effective to extanuate that fade in valcanization.
质量标准(quality standard):
1.外观appearance: 淡黄色或灰白色粉末
appearance:light yellow or grey powder
2.初熔点≥290℃
early melting point:not less than 290℃
3.水份≤0.50%
heatdeceleration:not more than 0.50%
4.灰份≤0.50%
ash content:not more than 0.50%
5.筛余物: (40孔/厘米筛)≤0.10%
fineness:not less than 99.90%
(pass through the sifter with 1600 hole/cm2)
包装及储运: 10kg纸板箱,储存在干燥处;防潮或暴晒
石家庄市冀京化工科技有限公司
赵烺明
15081880856
高邑县石家庄市高邑县石良庄工业区