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Rubber Accelerator DPG (D)
Chemical Name: Diphenyl guanidine
Structure:
Molecular Formula: C13H13N3
Molecular Weight: 211.27
CAS NO: 102-06-7
Specification:
Item | Powder | Oiled powder | Granular |
Appearance | Gray-white powder(granular) | ||
Initial M.P. ℃ ≥ | 145.0 | 145.0 | 145.0 |
Loss on drying % ≤ | 0.30 | 0.50 | 0.30 |
Ash % ≤ | 0.30 | 0.30 | 0.30 |
Residue on 150μm sieve % ≤ | 0.10 | 0.10 | - |
Residue on 63μm sieve % ≤ | 0.50 | 0.50 | - |
Additive % | - | 0.1-2.0 | - |
Granule Diameter mm | - | - | 1.50 |
Properties: Grayish-white powder (granule) No taste, no poison. Density is 1.08--1.19. Soluble in acetone, ethyl acetate, benzene, alcohol, slightly soluble in CCl4, insoluble in water and gasoline.
Application: Used as a secondary accelerator with thiazoles and sulphenamides in NR and SBR compounds. Exhibits better storage stability compared to thiuram and dithiocarbamates but is not so active. DPG can be used in latex as secondary gelling agent (foam stabilizer) in the silico-flouride foam process.
Package: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag
Storage: The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 2 year.
