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Accelerator DPG(D)/ 1,3-Diphenylguanidine 102-06-7

Test Item Standard Test Result
Appearance Gray-white or White Powder Confirms
Purity %≥ 97 98.2
Initial M.P. (Min) ≥°C 144 144.6
Loss on drying (Max) ≤ % 0.30 0.09
Ash (Max) ≤ % 0.30 0.08
Residues on 150um sieve %≤ 0.1 0.03
(1) Used as a secondary accelerator with thiazoles and sulphenamides in NR and SBR compounds.
(2) Exhibits better storage stability compared to thiuram and dithiocarbamates but is not so active.
(3) Accelerator DPG can be used in latex as secondary gelling agent (foam stabilizer) in the silico-flouride foam process.

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