JC/T 956-2014 in English

1 Scope

This standard specifies the structure, technical requirements, test methods, inspection rules as well as marking and packaging of apparatus for blaine method (hereinafter referred to as “this apparatus” or “apparatus”).

This standard is applicable to the apparatus for blaine method.

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 8074 Testing method for specific surface of cement — Blaine method
GSB 14-1511 Standard sample of cement fineness and specific surface area

3 Structure

This apparatus is divided into manual and automatic types. The manual apparatus is composed of air permeable cylinder, perforated plate, bruiser, U-shaped pressure gauge, air suction device, etc. The automatic apparatus is composed of air permeable cylinder, perforated plate, bruiser, U-shaped pressure gauge, air suction device, phototube, and single chip, etc.

4 Technical requirements

Foreword i
1 Scope
2 Normative references
3 Structure
4 Technical requirements
5 Test methods
6 Inspection rules
7 Marking and packaging
Annex A (Normative) Calibration method of this apparatus