Domestic product quality specific selective examination results

The relevant departments of the state recently released metal winding gasket quality supervision inspection results. This selectived examination in jiangsu, zhejiang, anhui, shandong and other four provinces and enterprises producing of 43 kind of metal spiral wound gasket products.
This selective examination according to voluntary national standard "coil type gasket technology conditions of GB/T4622.3-2007, at the request of metal winding gasket product the compression ratio, rebound rate, seal leakage rate, exterior quality and project inspection.

Selective examination discovery with 4 kinds of products the compression ratio, resilient rate test results do not conform to the relevant project standards.