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The term “ceramics” covers a wide range of product categories. From a scientific standpoint, ceramics are an inorganic, refractory and nonorganic material that is divided into two classes:


1.The traditional ceramics which includes cement clay products and silicate glass; and the advanced ceramics that are corrosion and heat resistant, and is composed of pure oxides, nitrides, non-silicate materials, and carbides.


2.Ceramic tiles, glazed ceramic wall tiles, ceramic mosaic tiles, quarry tiles, or paver tiles have several quality control tests that are used to meet product specifications. 

Ceramics are used to manufacture hundreds of products in the following fields:

  • Consumers – used in pottery, dinnerware, home electronics and appliances, lenses, ceramic tiles, windows, glassware, magnets, microwave transducers, and lenses.

S-QTS is the industry leader in inspection and quality control services for ceramic products in Whole ASIA. In development of our ceramic inspection and quality control protocols, only the current and most relevant international standards are considered. Below are some of these standards:

Ceramic Products inspection tests established by ASTM (the American Society of Testing and Materials) include ceramic tile strength, abrasion resistance to ceramic tile, chemical resistance to ceramic tile, water absorption, dimensional stability, frost resistance, linear coefficient of thermal expansion, and slip resistance tests.

barcode scanner
bulk compare approval sample
measurement testing
production and approval sample
measurement testing at surface


While an importer’s specs and list of expected product defects are vital to perform an adequate inspection, reputable inspection firms like S-QTS third-Party have internal inspection checklists for any range of products.

The benefit of these detailed inspection checklists is that the inspection firm already understands the expected defects and knows what to check, even before receiving the client’s feedback. After receiving the client’s information, the inspection firm can further tailor the service to the specific needs of the client.

You can see in the below sample checklist a breakdown of potential defects and possible tests. The right columns specify whether a defect classifies as a Critical, Major, or Minor defect.