
Chemical name: Tetramethyl-thiuram-Disulfide
Molecular formula: C6H12N2S4
Molecular weight: 240.41
CAS No.: 137-26-8
Custom HS code: 38121000
Technical specification: HG/T2334-92
Item : 1st grade qualified
Appearance: white powder or grain
Initial melt point(℃) ≥142.0
Loss on heat(%) ≤0.40
Ash(%) ≤0.30
Residue on sieve(%)≤0.0
Density : 1.29
Application: TMTD can be used as vulcanizing accelerator in natural and synthetic rubbers.In sulfur less[...]
Chemical name: N-tert-butyl-2-benzothiazole sulfenamide
Molecular formula: C11H14N2S2
CAS: 95-31-8
Test method of specification: (GB/T21840-2008)
Index Premium grades Grade one Salable product
Appearance Milky white or light yellowish powder,grain
Melting point, initial,℃≥ 106 104 103
Heat loss,%≤ 0.30 0.40 0.50
Ash,%≤ 0.30 [...]
Chemical name: 2,2,4-Trimethyl-1,2-dihydroquinoline polymerized
Molecular formula: (C12H15N)n n=2-4
CAS:26780-96-1
Test method of specification: (GB/T8826-2003)
Index Premium grades Grade one
Appearance Amber to brown slice, pastilles
Softening point,℃≥ 80-100 80-100
Heat loss,%≤ 0.30 0.50
Ash,%≤ 0.30 [...]
MBTS
Chemical name: Mercaptobenzothiazole disulfide
Molecular formula: C14H8N2S4
CAS:120-78-5
Test method of specification: (GB/T11408-2003)
Index Premium grades Grade one Salable product
Appearance White or light yellowish powder
Melting point,initial,℃≥ 170.0 166.0 162.0
Heat loss, %≤ 0.30 0.40 0.50
Ash , %≤ 0.30 0.50 0.70
Sieve residue(150um),%≤ 0.00 0.05 0.10
Properties: White or yellowish powder, slight bitterness, nonpoisonous, density is 1.45-1.54, can dissolve[...]
Appearance: white powder
Molecular Formula: ZnO
M.W.: 81.38
CAS NO.: 1314-13-2
GB/T19589-2004
specification %
item Nano-zinc oxide
Zno dry 97.0min
volatile( 105 degree Celsius) 0.5max
Pb 0.001max
Mn 0.005max
Cu 0.0005max
Insoluble in hydrochloric acid 0.02max
Loss on ignition 3.0max
Water-solubility 0.5max
[TEM,nm]90% 30-50
Application: Accelerator activator, pigment, and reinforcing agent in rubber; ointment; pigment and mold growth inhibitor in paints; ceramics;[...]