Categories

Contact Us

Jinan Shengtuo Mechanical and Electrical Equipment Co.,Ltd
Add:Shandong Jinan High-tech No.59 Industry South Road,Jinan City, Shandong Province, China 250101
Tel:+86-531-88167719
Fax:+86-531-69951182
Pho:+8618769750205

E-mail:kevin@jstbearing.com

Sampling Inspection Principle Of Porcelain Ball

- Jul 31, 2018 -

Sampling inspection principle of porcelain ball

Alumina ball products must be inspected by the factory before they leave the factory. 50 tons of products of the current specifications made under the same conditions of raw materials, processes and equipment shall be counted as one batch, and less than 50 tons shall be counted as one batch. Each batch of products should be sampled in a representative and random manner. According to different specifications of the product. Different quantities of samples are drawn according to table.

sampling inspection principle of porcelain ball

The samples were mixed evenly, and a quarter of them were extracted by the method of quarter for appearance quality and dimension inspection, and the corresponding quantity was taken from them for physical and chemical performance test

Related Products