This standard applies to aluminum-backed kettle sealing gaskets (hereinafter referred to as gaskets) made of rubber as the main raw material and processed with a specific formula. This standard is also applicable to the sealing gaskets of kettles made of other materials.
GB 7057-1986 history
2016GB 4806.11-2016 National Food Safety Standard Food Contact Rubber Materials and Products
1994GB 4806.1-1994 Hygienic standard for foodstuff rubber products
1986GB 7057-1986 Aluminum back kettle rubber gasket
GB 7057-1986 Aluminum back kettle rubber gasket has been changed from HG/T 2947-1986 Rubber gasket for aluminium canteen.
GB 7057-1986 Aluminum back kettle rubber gasket has been changed from GB 4806.1-1994 Hygienic standard for foodstuff rubber products.