5.3　Acceptance of Non-metal Lining Materials

5.3.1　All non-metal lining materials shall have quality certificates and product identifications that expressly indicate the toxicity，volatility，inflammability and explosibility.

5.3.2　The applicable standards shall conform to the design requirements and stipulations of the Contract.The provisions of glass resin flake shall be more stringent or equivalent to those of HG/T 3797.The provisions for rubber lining shall be more stringent or equivalent to those of GB 18241.4—2006 and HGJ 32—1990.

5.3.3　The external package shall be intact when the materials arrive at the site.The construction date shall be within the warranty period of the products.