Number
Name
Status
- GB/T 39191-2020 《Heat treatment for stainless steel and heat resistant steel parts》 Active Products
- GB/T 39269-2020 《Voltage dip and short interruption—Immunity testing method for low voltage equipment》 Active Products
- GB/T 39368-2020 《Leather—Physical and mechanical tests—Determination of flex resistance：Vamp flex method》 Active Products
- GB/T 39365-2020 《Leather—Physical and mechanical tests—Determination of dry heat resistance》 Active Products
- GB/T 28799.3-2020 《Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 3: Fittings》 Active Products
- GB/T 28799.1-2020 《Polyethylene of raised temperature resistance（PE-RT）piping systems for hot and cold water installations—Part 1: General》 Active Products
- GB/T 28799.2-2020 《Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 2: Pipes》 Active Products
- GB/T 28799.5-2020 《Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water installations—Part 5： Fitness for purpose of the system》 Active Products
- GB/T 39709-2020 《Test methods of multiple units glass, windiows static pressure and windiows sealing performance》 Active Products
- GB/T 39524-2020 《Test method of weatherability for building windows and doors》 Active Products
- GB/T 40073-2021 《External pressure strength test procedure for metal pressure hull of submersibles》 Active Products
- GB/T 9966.14-2021 《Test methods for natural stone—Part 14: Determination of rupture energy》 Active Products
- GB/T 23293-2021 《Nitride bonded refractory products and their related mortars》 Active Products
- GB/T 22459.8-2021 《Refractory mortars—Part 8: Determination of bleeding》 Active Products
- GB/T 40375-2021 《Technical specification of corrosion control operation for metal connection (fastening) structure》 Active Products
- GB/T 22590-2021 《Refractory castables for rolling mill reheating furnace》 Active Products
- GB/T 15728-2021 《Glass resistance to attack by a boiling hydrochloric acid gravimetric method of test and classification》 Active Products
- GB/T 6582-2021 《Glass—Hydrolytic resisitance of glass grains at 98℃—Method of test and classification》 Active Products
- GB/T 6580-2021 《Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification》 Active Products
- GB/T 2994-2021 《High alumina refractory mortars》 Active Products
- GB/T 22459.3-2021 《Refractory mortars—Part 3: Determination of joint stability》 Active Products
- GB/T 1687.4-2021 《Rubber,vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 4: Constant-stress flexometer》 Active Products
- GB/T 5990-2021 《Refractory materials—Determination of thermal conductivity, specific heat capacity and thermal diffusivity(hot-wire method)》 Active Products
- GB/T 18257-2021 《Hot-face identification marking of refractory bricks for use in rotary kilns》 Active Products
- GB/T 41170.2-2021 《Skin barrier for ostomy aids—Test methods—Part 2: Wet integrity and adhesive strength》 Active Products
- GB/T 22459.6-2022 《Refractory mortars—Part 6: Determination of moisture content of ready-mixed mortars》 Active Products
- GB/T 22459.5-2022 《Refractory mortars—Part 5: Determination of grain size distribution ( sieve analysis )》 Active Products
- GB/T 22459.4-2022 《Refractory mortars—Part 4: Determination of flexural bonding strength》 Active Products
- GB/T 17473.7-2022 《Test methods of precious metals pastes used for microelectronics—Part 7: Determination of solderability and solder leaching resistance》 Active Products
- GB/T 41324-2022 《Fire-resistant weathering steels for structure》 Active Products