GB/T 3494-2012Zinc oxide produced by direct method (English PDF)

1 Scope

This standard specifies the technical requirements, test methods, inspection rules direct method zinc oxide, signs, packaging, transportation, storage, quality certificate

And contracts (or orders) content.

This standard applies to zinc oxide to zinc concentrate obtained as raw materials by pyrometallurgical processing of zinc oxide direct method is mainly used in rubber, paint, ceramics

Porcelain, cable, glass, enamel, petroleum, chemical and other industries.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 1709 assay hiding pigments

GB/T 3185 zinc oxide (indirect method)

GB/T 4104 direct method zinc oxide whiteness (color) test method

Zinc oxide GB/T 4372 (all parts) direct method of chemical analysis methods

Determination of thermal extraction method GB/T 5211.2 soluble pigment material

GB/T 5211.3 pigment measured at 105 °C volatiles

GB/T 5211.15 pigment oil absorption measurement

Compare GB/T 5211.16 white pigment tinting strength of

GB/T 5211.18 color filter was measured manually operated water law

GB/T 6678 General Principles for Sampling Chemical Products

GB/T 8170 represents rounding off rules and limit values and judgment

3 Requirements