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GB/T 27732-2011 Calculation method of energy equilibrium and energy efficiency in washing,screening and oxygen delignification system (USD) via email in 1-3 business day VALID
GB/T 8943.2-2008 Paper board and pulps—Determination of iron (USD) via email in 1-3 business day VALID
GB/T 1545.2-1989 Paper board and pulp—Determination of PH of aqueous extracts (USD) via email in 1-3 business day ABOLISHED
GB/T 5405-2002 Paper--Determination of the sizing value (Liquid permeance method) via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 2679.14-1996 Filter paper and filterboard--Determination of maximum pore diameter via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
JJG (轻工) 61-1990 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 1548-2016 Pulps—Determination of limiting viscosity number in cupri-ethylenediamine(CED) solution (USD) via email in 1-3 business day VALID
GB/T 24992-2010 Paper,board and pulps—Determination of arsenic (USD) via email in 1-3 business day VALID
GB/T 24447-2009 Pulp—Determination of fiber coarseness—Polarized light method (USD) via email in 1-3 business day VALID
DB37/T 3169-2018 Plasterboard hidden perils in enterprise production safety accident management system implementation guidelines via email in 1 business day VALID please email coc@codeofchina.com for quotation
GB/T 27741-2018 Paper and board—Determination of migratable fluorescent whitening agents (USD) via email in 1-3 business day VALID
DB37/T 3207-2018 Guidelines for classification and control of occupational disease hazards risk on Pulp and paper enterprise via email in VALID please email coc@codeofchina.com for quotation
GB/T 22837-2008 Paper and board—Determination of surface strength(wax method) (USD) via email in 1-3 business day VALID
GB/T 36985-2018 Paper,board and paper products—Determination of the emissions of volatile organic compounds (USD) via email in 1-3 business day VALID
GB/T 26464-2011 Determination of brightness (whiteness) for paper inorganic pigments (USD) via email in 1-3 business day VALID
GB/T 22805.2-2008 Paper and board—Determination of grease resistance—Part 2:Surface repellency test (USD) via email in 1-3 business day VALID
GB/T 465.1-1989 Paper and board; Determination of bursting strength after immersion in water (USD) via email in 1-3 business day ABOLISHED
GB/T 24994-2010 Measurement of colloidal charge at paper machine wet end (USD) via email in 1-3 business day VALID
QB/T 4896-2015 Determination of deinking efficiency for recycled pulp via email in VALID please email coc@codeofchina.com for quotation
GB/T 22364-2018 Paper and board—Determination of bending resistance (USD) via email in 1-3 business day VALID
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