T/GDAQ 00003-2022 Optical-grade silicone used for optical devices

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods 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 529-1999 Rubber,vulcanized or thermoplastic—Determination of tear strength (Trouser,angle and crescent test pieces) GB/T 529-2008 Rubber,vulcanized or thermoplastic—Determination of tear strength(Trouser,angle and crescent test pieces) GB/T 531.1-2008 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 1:Duromerer method(Shore hardness) GB/T 533-2008 Rubber,vulcanized or thermoplastic—Determination of density GB/T 614-1988 Chemical reagent General method for the determination of refractive index GB/T 614-2006 Chemical reagent—General method for the determination of refractive index GB/T 614-2021 Chemical reagent—General method for the determination of refractive index GB/T 2410-1980 Transparent plastics—Transmissivity and haze test GB/T 2410-2008 Determination of the luminous transmittance and haze of transparent plastics GB/T 6678-2003 General principles for sampling chemical products GB/T 26125-2011 Electrical and electronic products—Determination of six regulated substances(lead,mercury,cadmium,hexavalent chromium,polybrominated biphenyls,polybrominated diphenyl ethers) GB/T 34715-2017 Thermoplastic elastomer—Determination of phthalates—Gas chromatography-mass spectrometry GB/T 39818-2021 Plastics—Thermosetting moulding materials—Determination of shrinkage GB/T 39822-2021 Plastics—Determination of yellowness index and change in yellowness index HG/T 3323-2008 Rubber paste viscosity determination method (rotary viscosity meter method) SN/T 3019.2 GB/T 191-2025 Graphical symbols marking for handling and storage of packages