It is an overspeed accelerator for natural rubber and has the effect of plasticizer. The critical temperature of vulcanization is low, which tends to cause early vulcanization of the rubber compound. It can be used alone or in combination with other accelerators. Suitable for tires, rubber shoes, industrial rubber products. Due to the bitter taste, it is not suitable for rubber products used in the food industry. It can be used as a vulcanization retarder in neoprene. This product and its derivatives are the most important promoters.
English name: 2-Mercaptobenzothiazole
CAS NO: 149-30-4
Molecular weight: 167.24
EC NO: 205-736-8
Molecular formula: C7H5NS2
Appearance (visual inspection) light yellow or off-white powder
Initial melting point, °C≥173.0 171.0 170.0
Ash, %≤0.30 0.30 0.30
Heating loss, %≤0.30 0.40 0.50
Sieve residue (150μm),%≤0.0 0.1 0.1
Traits: light yellow single oblique needle or flaky crystal. It is bitter, slightly odorous, non-toxic, melting point 164 ~ 175 ° C, relative density of 1.42 ~ 1.52. It is burned in open flame, flash point 515 ~ 520 ° C, soluble in ethyl acetate, acetone, soluble in ethanol, propanol, chloroform, ether, carbon disulfide, ammonia, sodium hydroxide and sodium carbonate, etc., slightly soluble in benzene, Do not dissolve in water and gasoline.
Uses: This product is a general-purpose rubber accelerator, widely used in various rubbers. This product has a wide range of vulcanization and can be used alone or in combination with dithiocarbamates, thiurams, terpenes, and other alkaline accelerators. This product is easy to disperse and not pollute in rubber. Mainly used in the manufacture of tires, inner tubes, tape, rubber shoes and other industrial products.
Packaging and storage:
Woven bag, lined with plastic bag, net weight 25 kg. Store in a ventilated place. Do not be near fire when dry.