GB/T 21352-2022 Flame retardant steel cord conveyor belts used in underground mines

GB/T 21352-2008 Steel cord flame retardant conveyor belts used in underground mines

GB/T 7986-2013 Conveyor belts—Drum friction testing GB/T 9867-2008 Rubber,vulcanized or thermoplastic—Determination of abrasion resistance using a rotating cylindrical drum device ISO 20238:2018 GB/T 528-1998 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 528-2009 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 3512-2001 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 3512-2014 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 3684-2006 Conveyor belts—Electrical conductivity—Specification and test method GB/T 3684-2021 Conveyor belts—Electrical conductivity—Specification and test method GB/T 3685-1996 Conveyor belts—Flame retardation—Specifications and test method GB/T 3685-2009 Conveyor belts—Laboratory scale flammability characteristics—Requirements and test method GB/T 3685-2017 Conveyor belts—Laboratory scale flammability characteristics—Test method GB/T 5752-2002 Conveyor belts—Marking GB/T 5752-2013 Conveyor belts—Marking GB/T 5753-1994 Steel cord conveyor belts—Cover thickness measurement GB/T 5753-2008 Steel cord conveyor belts—Methods for the determination of total thickness and cover thickness GB/T 5753-2013 Steel cord conveyor belts—Methods for the determination of total thickness and cover thickness GB/T 5754.2-2005 Steel cord conveyor belts—Longitudinal traction test—Part 2:Measurement of tensile strength GB/T 5754.2-2017 Steel cord conveyor belts—Longitudinal traction test—Part 2:Measurement of tensile strength GB/T 5755-2000 Steel cord conveyor belts—Cord-to-coating bond test GB/T 5755-2013 Steel cord conveyor belts—Cord-to-coating bond test—Initial test and after thermal treatment GB/T 5755-2021 Steel cord conveyor belts—Cord-to-coating bond test—Initial test and after thermal treatment GB/T 5756-1986 Terms of conveyor belts and transmission belts GB/T 5756-2009 Conveyor belts—Terms and definition GB/T 9770-2001 Steel cord conveyor belts for general use GB/T 9770-2013 Steel cord conveyor belts for general use GB/T 17044-1997 Steel cord conveyor belts—Adhesion strength test of the cover to the core layer GB/T 17044-2013 Steel cord conveyor belts—Adhension strength test of the cover to the core layer GB/T 17044-2020 Steel cord conveyor belts—Adhesion strength test of the cover to the core layer GB/T 33514-2017 Steel cord conveyor belts—Determination of the lateral and vertical displacement of steel cords GB/T 39813-2021 Conveyor belts—Guidelines for storage and handling GB/T 39817-2021 Conveyor belts—Propane burner mid-scale flammability test method HG/T 2410-1992 Sample from conveyor belt HG/T 2410-2006 Conveyor belts--Sampling