JC/T 204-2011Quarry stone of natural granite (English PDF)

1 Foreword

JC/T 204-2011 was issued by Ministry of Industry and Information Technology on 22 November 2010 and has been in force since 1 March 2011.

It replaces the earlier edition JC/T 204-2001.

The JC/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

2 Scope Preview

This standard specifies the terms and definitions polyurethane grouting material, classification and labeling, General requirements, technical requirements, test methods, inspection rules, signs, packaging, storage and transport. This standard applies to water conservancy and hydropower, construction, transportation, mining and other areas of concrete crack repair, seepage, reinforced polyurethane grout curtain seepage and other reinforcement and foundation works with.

JC/T 204-2011 falls under ICS 91.120.30, in the field of construction materials and building.

This catalogue holds 579 other JC/T standards in that field.

In this catalogue, JC/T standards carry edition years from 1973 to 2026.

3 About this standard

Issued by: Ministry of Industry and Information Technology

English translation: about 7 pages

Chinese original: about 9,965 characters

4 Related standards

Other editions:

JC/T 204-2001 (earlier edition)

Standards on related subjects:

GB 46028-2025 — Safety technical requirements for building decorative stone

GB/T 9966.3-2001 — Test methods for natural facing stones -- Part 3: Test methods for bulk density, true density, true porosity and water absorption

JC/T 1081-2025 — Technical specification for quarry of decorative stone

JC/T 202-2011 — Quarry stone of natural marble

5 Classification and status

International classification (ICS): 91.120.30

Chinese Standard Classification (CCS): Q 21

Prefix JC/T: recommended standard.