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Rubber Accelerator DPTT(TRA)-4
Identification:
Chemical Name: Dipentamethylene thiuramtetrasulfide
Synonym: Dipentamethylenethiuram tetrasulfide; Bis(pentamethylenethiocarbamoyl) tetrasulfide; Noccelertra;Tetrone A; thiurammt;
CAS NO.: 120-54-7
Structural Formula:
Molecular Formula: C12H20N2S6
Properties: Light yellow powder (granule). No taste, no poison. The density is 1.5. Soluble in chloroform, benzene, acetone, CS2, partly soluble in gasoline and CCl4 insoluble in water and alkali of lower concentration.
Specification:
Item | Powder | Oiled powder | Granule |
Appearance | Light yellow powder(granule) | ||
Initial M.P. ℃ ≥ | 108.0 | 108.0 | 108.0 |
Loss on drying % ≤ | 0.30 | 0.50 | 0.30 |
Ash % ≤ | 0.30 | 0.30 | 0.30 |
Residue on 150μm sieve % ≤ | 0.10 | 0.10 | \ |
Granule Diameter mm | \ | \ | 1.50 |
Application: DPTT is used as primary/secondary accelerator or sulphur donor for IIR, CSM, EPDM, NR, IR, SBR and CR. It can improver the heat resistance and anti-aging property of vulcanized rubbers; especially suitable for light-colored products.
Packing& Storage:
25kg plastic woven bag, paper with plastic film bag, kraft paper bag
Stored in the dry and cooling place with good ventilation avoiding exposure of the packaged product to direct sunlight. The validity is 2 years.