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				| Akrochem Retarder AK |  |  |  | Modified phthalic anhydride |  |  |  | 85-44-9 |  |  |  | -A non-discoloring retarding agent to reduce scorching of rubber compounds at processing temperatures. -Effective with most accelerator systems and most types of rubber.
 -Use from 0.5 to 1.0% on rubber hydrocarbon.
 -Has little or no retarding effect at curing temperatures and no significant effect on physical properties of cured stock.
 -Has no effect on plasticity and aging and does not bloom with recommended amounts.
 -Acts as an activator for certain blowing agents.
 |  |  |  | Composition Modified Phthalic Anhydride (non-dusting) Appearance White free flowing powder
 Odor Practically none
 Specific Gravity 1.45 - 1.51
 Fineness (dry method) - 1.0% max. retained (100 mesh), 15.0% max. retained (200 mesh)
 Moisture 0.5% max.
 Ash 0.5% max.
 Melting Range 123 - 132 o C
 Solubility Soluble in alcohol, benzene, and acetone.
 Slightly soluble in water.
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							| Industrial field | additive, rubber & additives |  |  | 
				
				
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