Rubber Accelerator DPTT-70
CHEMICAL NAME: Dipentamethylene thiuram tetrasulfide
MOLECULAR FORMULA: C12H20N2S8
MOLECULAR WEIGHT: 449
CAS NO: 971-15-3
CHEMICAL STRUCTURE:
SPECIFICATIONS:
| Active Content(%) | 70 | Carrier | SBR/TPR |
| Appearance | Light Yellow Granules | Melting Point | 108℃ min |
| Mesh | 100 | Ash Content | 0.5% max |
| Mooney Viscosity ML1+4 50℃ | ≤50 | Volatile Content | 0.3% max |
| Sulfur Element(%) | 40.5 | 63µm Sieve Residue | 0.5% max |
| Density(g/Cm³) | 1.25 | ||
| Composition | A homogeneous mixture of dipentamethylene thiuram tetrasulphide and polymeric binder at 70/30 ratio | ||
Binder type can be customized. Except SBR/TPR, others binders, such as EPDM,NBR also can be available for.
APPLICATION:
DPTT-70 is a fast curing accelerator for natural and synthetic rubbers, with the fastest curing speed among thiurams, acts as an secondary accelerator combined with MBTS for CSM compounds, which can also as a curing agent.
DOSAGE:
0.35-3.5phr usually.
PACKING & STORAGE:
Net weight 25kg/PE bags lined carton; Net weight 600 kg/pallet.
Shelf-life:12 months in its original packaging.
Stored in a dry and cool place.