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PHYSICAL & CHEMICAL PROPERTIES OF

RUBBER  ACCELERATOR  DPG  (D)



Chemical Name                : Diphenyl  guanidine
Molecular  Formula           : C13H13N3
CAS NO.                             : 120-06-7


Specifications:

Item                                              Granule
Appearance Gray-White (Granule)
Initial  Melting  Point, c°  > 145
Loss on Drying,%   <  0.30
Ash ,%,  0.30
Granule  Diameter,mm 1.50
     
Properties:

Grayish-white (granule).   No  taste, no poison.  Density is 1.08-1.19.  Soluble in acetone, ethyl acetate, alcohol, lightly soluble in  CCl 4 , insoluble in water and gasoline. 


Applications:

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.  WILLING  DPG  can be used in latex as secondary gelling agent ( foam  stabilizer)  in the silico-flouride foam process.

 

 
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