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Quality control


Ashapura China Clay Company has set up a well equipped laboratory to carry out stringent quality control tests at each stage of production to ensure that only the best possible product is marketed.



Research & Development


All activities of Ashapura China Clay Company are certified under ISO 9001:2000. The company maintains exceptionally high level of product quality control including:



Full control on the raw materials right from mining

Intermediate quality control at every stage of production

Total quality control of the end products before despatch


ISO 9001:2000 Certificate


We are gearing towards achieving following testing parameters:


Quantitative oxide composition of silicate materials (classic chemical analysis)

Oxide composition of non-metalliferous raw materials

Mineral composition of non-metalliferous raw materials

Chemical content of non-metalliferous raw materials

Whiteness and other color data of kaolin, carbonate fillers

Dispersive content of kaolin, clays and other microproducts

China Clay (Kaolin) and clays mechanical strength of bending

Paper China Clay (Kaolin) abrasiveness

Thermal extension coefficient of ceramic bodies; chamotte

Suspensions pH value

Fineness of grinding

China Clay (Kaolin) and clays properties after firing - shrinkage, color data, water absorption

China Clay (Kaolin) and clays plasticity

Bulk materials grain size distribution


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: 0091 22 24104409


: 0091 22 24109785

EMail : info@ashapurachinaclay.com