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| Akrochem Retarder AK |
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| Modified phthalic anhydride |
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| 85-44-9 |
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-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. |
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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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