GB/T 40068-2021
Electrofusion welding sleeve（tape） for thermal insulation pipeline (English Version)
- Standard No.
- GB/T 40068-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
- GB/T 40068-2021
- Scope
- This standard specifies the marking, product form and size, requirements, test methods, inspection rules, marking and packaging, transportation and storage of high-density polyethylene electric heating sleeves (belts) for thermal insulation pipes. This standard is applicable to electric heating sleeves (belts) used for joint joints of high-density polyethylene outer sheath polyurethane insulation pipes.
GB/T 40068-2021 Referenced Document
- GB/T 1040.1 Plastics—Determination of tensile properties—Part 1:General principles
- GB/T 1408.1 Insulating materials.Test methods for electric strength.Part 1:Test at power frequencies
- GB/T 1633 Plastics--Thermoplastic materials--Determination of vicat softening temperature(VST)
- GB/T 3280 Cold rolled stainless steel plate, sheet and strip
- GB/T 3682.1 Plastics—Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics—Part 1:Standard method
- GB/T 6146 Test method for resistivity of precision resistance alloys
- GB/T 7141 Plastics.Methods of heat aging
- GB/T 8804.3 Thermoplastic pipes--Determination of tensile properties--Part 3: Polyolefin pipes
GB/T 40068-2021 history
- 2021 GB/T 40068-2021 Electrofusion welding sleeve（tape） for thermal insulation pipeline
