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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 26930.13-2014 Carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 13:Determination of C/H ratio in the quinoline-insoluble fraction $190.00 via email in 1~3 business day valid
GB/T 26930.2-2011 Carbonaceous materials for the production of primary aluminium—Pitch for electrodes—Part 2:Determination of softening point by the ring and ball method $150.00 via email in 1~3 business day valid
GB/T 26930.3-2011 Carbonaceous materials for the production of primary aluminium—Pitch for electrodes—Part 3:Determination of density—Pyknometric method $100.00 via email in 1~3 business day valid
GB/T 26930.4-2011 Carbonaceous materials for the production of primary aluminium—Pitch for electrodes—Part 4:Determination of content of quinoline-insoluble material $100.00 via email in 1~3 business day valid
GB/T 26930.5-2011 Carbonaceous materials for the production of primary aluminium—Pitch for electrodes —Part 5:Determination of content of toluene-insoluble material $100.00 via email in 1~3 business day valid
GB/T 26930.6-2014 Carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 6:Determination of ash $90.00 via email in 1~3 business day valid
GB/T 26930.7-2014 Carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 7:Determination of the softening point(Mettler softening point method) $120.00 via email in 1~3 business day valid
GB/T 26930.8-2014 Carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 8:Determination of coking value $100.00 via email in 1~3 business day valid
GB/T 26930.9-2014 Carbonaceous materials used in the production of aluminium―Pitch for electrodes―Part 9:Determination of sulful content by the bomb method $120.00 via email in 1~3 business day valid
GB/T 37308-2019 Oil-based needle coke $80.00 via email in 1~3 business day valid
GB/T 42670-2023 Test method for Rockwell hardness of carbon materials $165.00 via email in 1~3 business day valid
GB/T 42671-2023 Test method for surface roughness of carbon materials $165.00 immediately valid
GB/T 42906-2023 Graphite materials―Test method for equivalent boron contents―Inductively coupled plasma atomic emission spectrometry $165.00 via email in 1~3 business day valid
GB/T 43111-2023 Carbon materials—Fatigue testing—Axial force-controlled method $240.00 immediately valid
GB/T 43114-2023 Hard carbon $240.00 via email in 1~3 business day valid
GB/T 44027.1-2024 Determination method of carbon material—Part 1: Determination of first discharge specific capacity, first columbic efficiency, discharge capacity retention rate at different rates $195.00 via email in 1~3 business day valid
GB/T 44162-2024 Implementation specification for estimating Weibull distribution parameters of tensile strength for carbon materials $210.00 via email in 1~3 business day valid
GB/T 6155-2008 Carbon materials-determination of the true density or porosity $164.00 via email in 1~3 business day abolished
GB/T 8719-2009 General rule for packing,marking,storage,transport and quality certificates of carbonaceous material and products $80.00 via email in 1~3 business day superseded
GB/T 8719-2022 General rule for packing,marking,storage,transport and quality certificates of carbonaceous material and products $120.00 via email in 1~3 business day valid
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