DPTT
DPTT
CHEMICAL STRUCTURE: 
CHEMICAL NAME: Dipentamethylene thiuramtetrasulfide
MOLECULAR FORMULA: C12H20N2S8
MOLECULAR WEIGHT: 448.77
CAS NO.: 971-15-3
PROPERTIES:
Light yellow powder/granule. No taste, no poison. Density is 1.5
Soluble in chloroform, benzene, acetone CS2, partly soluble in gasoline and CCI4. Insoluble in water and alkali of lower concentration.
APPLICATION:
Secondary accelerator for NR, SBR, EPDM and NBR.
For rich sulphur content of 28%, it could be used as cure agent
In the system of SBR and NBR, it could be used as primary cure agent.
Easily dispersed in rubber system.
QUALITY STANDARD:
ITEM | POWDER | OILED POWDER | GRANULE | |
appearance | light yellow powder (granule) | |||
initial melting point | 113.0℃ min | 112.0℃ min | 112.0℃ min | |
loss on drying | 0.20% max | 0.50% max | 0.20% max | |
ash | 0.10% max | 0.10% max | 0.10% max | |
residue on 150μm sieve | 0.10% max | 0.10% max | / | |
residue on 63μm sieve | 0.50% max | 0.50% max | / | |
additive | / | 0.1%-2.0% | / | |
granule diameter | / | / | 1.50mm | |
PACKING & LOADING:
Packed in Kraft paper bags of 25kgs net each with P.E. liner inside
12Mt per 20’GP, 24Mt per 40’GP, palletized.
SHIPPING MARKS: Neutral export standard. Also can be customized.
STORAGE VALIDITY: 1 year.