T/SHPTA 044-2023 Environmental-friendly modified medium-density polyethylene sheath material for optical cables

GB/T 1033.1-2008 Plastics—Methods for determining the density of non-cellular plastics—Part 1:Immersion method,liquid pyknometer method and titration method GB/T 1040.3-2006 Plastics—Determination of tensile properties—Part 3:Test conditions for films and sheets GB/T 1408.1-2016 Insulating materials—Test methods for electric strength—Part 1:Test at power frequencies GB/T 1409-2006 Recommended methods for the determination of the permittivity and dielectric dissipation fator of electrical insulating materials at power,audio and radio frequencies including meter wavelengths GB/T 1633-2000 Plastics—Thermoplastic materials—Determination of Vicat softening temperature(VST) GB/T 2411-2008 Plastics and ebonite—Determination of indentation hardness by means of a durometer(shore hardness) GB/T 2951.12-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 12:Methods for general application—Thermal ageing methods GB/T 2951.41-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 41:Methods specific to polyethylene and polypropylene compounds—Resistance to environmental stress cracking—Measurement of the melt flow index—Carbon black and/or mineral filler content measurement in polyethylene by direct combustion—Measurement of carbon black content by thermo gravimetric analysis(TGA)—Assessment of carbon black dispersion in polyethylene using a microscope GB/T 2951.42-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 42:Methods specific to polyethylene and polypropylene compounds—Tensile strength and elongation at break after conditioning at elevated temperature—Wrapping test after conditioning at elevated temperature—Wrapping test after thermal ageing in air—Measurement of mass increase—Long-term stability test—Test method for copper-catalyzed oxidative degradation GB/T 3682.1-2018 Plastics—Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics—Part 1:Standard method GB/T 5470-2008 Plastics—Determination of the brittleness temperature by impact GB/T 6283-2008 Chemical products—Determination of water Karl·fischer method(general method) GB/T 9352-2008 Plastic—Compression moulding of test specimens of thermoplastic materials GB/T 18251-2019 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds GB/T 31838.2-2019 Solid insulating materials—Dielectric and resistive properties—Part 2:Resistive properties(DC methods)—Volume resistance and volume resistivity GB/T 31838.6-2021 Solid insulating materials—Dielectric and resistive properties—Part 6:Dielectric properties(AC method)—Relative permittivity and dielectric dissipation factor(frequencies 0.1Hz～10 MHz) GB/T 39560.1-2020 Determination of certain substances in electrical and electronic products—Part 1:Introduction and overview GB/T 39560.2-2020 Determination of certain substances in electrical and electronic products—Part 2:Disassembly,disjointment and mechanical sample preparation GB/T 39560.2-2024 Determination of certain substances in electrical and electronic products—Part 2:Disassembly,disjointment and mechanical sample preparation GB/T 39560.4-2021 Determination of certain substances in electrical and electronic products—Part 4:Mercury in polymers,metals and electronics by CV-AAS,CV-AFS,ICP-OES and ICP-MS GB/T 39560.5-2021 Determination of certain substances in electrical and electronic products—Part 5:Cadmium,lead and chromium in polymers and electronics and cadmium and lead in metals by AAS,AFS,ICP-OES and ICP-MS GB/T 39560.6-2020 Determination of certain substances in electrical and electronic products—Part 6:Polybrominated biphenyls and polybrominated diphenyl ethers in polymers by gas chromatography-mass spectrometry(GC-MS) GB/T 39560.8-2021 Determination of certain substances in electrical and electronic products—Part 8:Phthalates in polymers by gas chromatography-mass spectrometry (GC-MS),gas chromatography-mass spectrometry using a pyrolyzer/thermaldesorption accessory (Py/TD-GC-MS) GB/T 39560.9-2024 Determination of certain substances in electrical and electronic products—Part 9:Hexabromocyclododecane in polymers by gas chromatography-mass spectrometry(GC-MS) GB/T 39560.10-2024 Determination of certain substances in electrical and electronic products—Part 10:Polycyclic aromatic hydrocarbons(PAHs) in polymers and electronics by gas chromatography-mass spectrometry(GC-MS) GB/T 39560.12-2024 Determination of certain substances in electrotechnical products—Part 12:Simultaneous determination of polybrominated biphenyls,polybrominated diphenyl ethers and phthalates in polymers by gas chromatography-mass spectrometry GB/T 39560.301-2020 Determination of certain substances in electrical and electronic products—Part 3-1:Screening lead,mercury,cadmium,total chromium and total bromine by X-ray fluorescence spectrometry GB/T 39560.302-2024 Determination of certain substances in electrical and electronic products—Part 3-2:Screening fluorine,chlorine and bromine in polymer and electronics by combustion-ion chromatography(C-IC) GB/T 39560.303-2024 Determination of certain substances in electrical and electronic products—Part 3-3:Screening polybrominated biphenyls,polybrominated diphenyl ethers and phthalates in polymers by gas chromatography-mass spectrometry using a pyrolyser/thermal desorption accessory(Py/TD-GC-MS) GB/T 39560.701-2020 Determination of certain substances in electrical and electronic products—Part 7-1:Hexavalent chromium—Presence of hexavalent chromium[Cr(VI)]in colourless and coloured corrosion-protected coatings on metals by the colorimetric method GB/T 39560.702-2021 Determination of certain substances in electrical and electroinic products—Part 7-2:Hexavalent chrome—Determination of hexavalent chrome[Cr(Ⅵ)]in polymers and electronics by the colormetric method UL 1581-2021 欧盟 1907/2006号(EC)法规(2006年12月18日)