Standard No.:	GB/T 3494-2012
English Name:	Zinc oxide produced by direct method
Chinese Name:	直接法氧化锌
Chinese Classification:	H60    Non-ferrous metals and their alloys products in general
Professional Classification:	GB    National Standard
ICS Classification:	77.150.60 77.150.60    Lead, zinc and tin products 77.150.60
Source Content Issued by:	AQSIQ;SAC
Issued on:	2012-12-31
Implemented on:	2013-10-1
Status:	valid
Superseding:	GB/T 3494-1996 Zinc oxide produced by direct method
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	150.0
Delivery:	via email in 1 business day

Zinc oxide produced by direct method 1 Scope This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and contract (or order form) contents of zinc oxide produced by direct method. This standard is applicable to zinc oxide produced from zinc concentrate by pyrometallurgy. The zinc oxide produced by direct method is mainly used in rubber, coating, ceramic, cable, glass, enamel, petroleum, chemical and other industries. 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/T 1709 Covering power determination of dyestuff GB/T 3185 Zinc oxide (indirect method) GB/T 4104 Leucoscopic method for testing whiteness of zinc oxide made by direct process GB/T 4372 (All parts) Methods for chemical analysis of zinc oxide produced by direct process GB/T 5211.2 Determination of matter soluble in water of pigments hot extraction method GB/T 5211.3 Determination of matter volatile of pigments at 105Centigrade GB/T 5211.15 Determination of oil absorption value of pigments GB/T 5211.16 Comparison of lightening power of white pigments GB/T 5211.18 Determination of residue on sieve of pigments - Water method - Manual procedure GB/T 6678 General principles for sampling chemical products GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values 3 Requirements 3.1 Product classification See Table 1 for the classification, grade and designation of zinc oxide.

Foreword i 1 Scope 2 Normative references 3 Requirements 4 Test methods 5 Inspection rules 6 Marking, packaging, transportation, storage and quality certificate 7 Contract (or order form) contents