GB/T 21872-2008 (English Version) PDF

Standard No.: GB/T 21872-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 21872-2008

Scope: This standard specifies the product model, label, requirements, test method, inspection rules, marking, packaging, transportation and storage of sulfonic acid curing agent for casting no-bake furan resin. This standard applies to the sulfonic acid curing agent for foundry no-bake furan resin obtained by sulfonating toluene and xylene.

GB/T 21872-2008 Referenced Document

GB 190 Packing symbol of dangerous goods*， 2009-06-21 Update
GB/T 1250 Rules for expression and judgement of limiting values
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 265 Petroleum products--Determination of kinematic viscosity and calculation of dynamic viscosity
GB/T 4472-1984 General rule for determination of density and relative density for chemical products
GB/T 601 Chemical reagent.Preparations of reference titration solutions*， 2016-10-13 Update
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
GB/T 6678 General principles for sampling chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods*， 2008-05-15 Update