Accelerator TBBS (NS)

  • Chemical Name: N-Tertiarybutyl-2-benzothiazole Sulfonamide
  • Synonyms: NS, TBBS, VulkacitN2, Accicure BSB
  • Molecular Formula: C11H14N2S2
  • Molecular Weight: 238
  • CAS No.: 95-31-8
  • Technical Specification: GB/T 21840-2008
  • # Item Unit Specification
    Appearance - White to light yellow powder or granule
    Initial melting point °C, ≥ 104.0
    Heating Loss %, ≤ 0.40
    Ash Content %, ≤ 0.30
    Residue (150μm) %, ≤ 0.10
    Insoluble In methanol %, ≤ 1.0
    Free Amine %, ≤ 0.50
    Purity %, ≥ 96.0
  • Property:
    It is white or yellowish powder/granule. Density:1.26- 1.32g/cm3. Soluble in benzene, chloroform, carbon disulfide, acetone, methanol, ethanol, but hard in gasoline, insoluble in water dilute acid and dilute alkali.
  • Application:
    NS is a vulcanization accelerator with delayed action, short cure time, has high anti-scorching quality, processing safety. Widely used in all sorts of rubber products and tires, especially the meridian tires. The product is an excellent delayed accelerator with more delayed action and great curing rate and other advantages.
  • Package:
    In 25kg woven bag/kraft bag.