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Rubber Toughening Agent R-306

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Rubber Toughening Agent R-306



R-306 agent consists of resin macromolecule, Nano-polyhydroxy compound and interfacial agent. The agent is a new multi-functional material which produced by high temperature melting and grafting reaction technologies.



The appearance is grey powder. It is non-toxic, harmless to human and no environmental pollution.



Test Method


grey powder

visual inspection

Heating loss105X2h,%



Ignition loss800X2h),%



pH Value





1.    R-306 agent contains resin macromolecule, which can effectively improve the toughness and flexing resistance of the rubber.

2.    R-306 agent can reduce the porosity of tire tread and triangle rubber, and improve the compactness and abrasion-resistance of final products.

3.    R-306 agent has excellent technologies. R-306 agent has interfacial activity component, which can reduce the interfacial energy among all materials in formula. This will stabilize the dimension of rubber sheet and tires, and products surface will be smoother.

4.    In addition, R-306 agent also can improve the wet traction and fatigue resistance of vulcanized rubber.


Usage and Dosage:

Add R-306 agent together with Zinc Oxide when mixing rubber master-batch.

3~6 units of total tire compound can be used for tire tread, tire sidewall and triangle rubber, other formula is same as before or make slightly adjustment.


Packing and Storage:

It is packed in Kraft paper bags lined with plastic film, net weight is 25kg/bag.

It should be stored in a cool, dry warehouse.

The shelf life is 24 months.