Our company, whichhas rare naturalresource with whiteness 96% or over, is located in Hezhou, the center city ofGround Calcium Carbonate (GCC) inChina . We have Heavy calcium Carbonate forRubber at limited resource, and more than 10yesrs' experience to produce the product. Wehave been offering the material to domestic market for different application. Heavy Calcium Carbonate forRubber's Characteristics: (1) Identical grain size, low oil absorption value (2) To reduce the cost of products, to make products have good foamed effect (3) To enhance hardness, rigidity, size stability, glossiness of products. (4) Calcium Carbonate is used for high polymer material to improve the craftwork of processing and enhance the mechanics and hot stability of products. It can reduce the cost with the enhancement of dispersibility and compatibility. Please pay special attention to: We are the best manufacturer, we can give the most competitive prices, and our products are high quality, sustainable and stable. If you are interested in any of our products,Please do not hesitate to contact us for more detailed information. It will be our pleasure to be at your service.