Standard No.:	GB/T 18952-2017
Chinese Name:	橡胶配合剂 硫磺及试验方法
English Name:	Rubber compounding ingredients—Sulfur and methods of test
ICS Classification:	83.040.20 Rubber compounding ingredients
Issued by:
Issued on:	2017-12-29
Implemented on:	2018-07-01
Status:	VALID
Replace:	GB/T18952-2003 Rubber compounding ingredients--Sulfur--Methods of test
Language:	English
File Format:	PDF
Word Count:	8000 words
Price(USD):	240 (USD)
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the classification, type, labeling, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and safety of rubber compounding ingredient sulfur.

This standard is applicable to the soluble sulfur made of industrial sulfur and the insoluble sulfur made of soluble sulfur through such processes as temperature rise and quenching.

Molecular formula: S, [S]n.

CAS RN: 7704-34-9 (soluble sulfur)

CAS RN: 9035-99-8 (insoluble sulfur)

2 Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB 190-2009 Packing Symbol of Dangerous Goods
GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods
GB/T 265 Petroleum Products - Determination of Kinematic Viscosity and Calculation of Dynamic Viscosity
GB/T 601 Chemical Reagent - Preparations of Standard Volumetric Solutions
GB/T 603 Chemical Reagent - Preparations of Reagent Solutions for Use in Test Methods
GB/T 2013-2010 Standard Test Method for Density of Liquid Petrochemical Products
GB/T 6040-2002 General Rules for Infrared Analysis
GB/T 6679 General Rules for Sampling of Solid Chemical Products
GB/T 6682-2008 Water for Analytical Laboratory Use - Specification and Test Methods
GB/T 7363 Paraffin Wax - Determination of Polynuclear Aromatics
GB/T 8170-2008 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 11079 White Oil - Test for Carbonizable Substances
GB/T 11409-2008 Test Methods Rubber Antiagers and Vulcanizing Accelerators
GB 12268-2012 List of Dangerous Goods
GB 12463 General Specifications for Transport Packages of Dangerous Goods
GB 15603 Rule for Storage of Chemical Dangers
SH/T 0134 Test Method of Solid Paraffin in White Oil

3 Classification, Type and Labeling

3.1 Classification

Sulfur is classified into soluble sulfur and insoluble sulfur based on different solubility in carbon disulfide.