GB/T 21149-2019Fired roofing tiles (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 21149-2007 "sintered tile", compared with GB/T 21149-2007, the main technical content changes are as follows:

--- Removed the "lime burst" in the term and related requirements (see 3.7, 5.2.5 and 6.1.2.6 of the 2007 edition);

--- Put the "blue tile" in the classification into the "unglazed tile" (see 4.1, 2007 version 4.1);

--- Added the icon and related requirements of "flat tile" (see 4.2.1, 4.2.2.1, 5.2.2, 5.2.3, 5.2.4 and 5.3);

---Sanqu tile, double-bar tile, fish scale tile, beef tongue tile bending resistance performance index is not less than 8.0MPa adjusted to not less than 10.0MPa (See 5.3, 5.3.1 of the 2007 edition);

--- "Anti-freeze performance" test project increased the "quick freeze method" test method (see 5.3);

--- Added "salt resistance" test project (see 5.3);

--- Increased the "acid and alkali resistance" test project (see 5.3);

--- Added "wind resistance" test project (see 5.3);

--- Added "simulated rain" test project (see 5.3).

1 Scope

This standard specifies the classification (variety, specifications, grades, markings), requirements, test methods, inspection rules, marking, packaging, transportation of sintered tiles. And storage.

This standard is applicable to sintered tile products (hereinafter referred to as tiles) for building roof covering and decoration.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 3810.1 Test methods for ceramic tiles - Part 1: Sampling and reception conditions

GB/T 9195 Building Sanitary Ceramics Classification and Terminology

GB/T 36584 roof tile test method

JGJ/T 191 Building Material Terminology Standard

3 Terms and definitions

The following terms and definitions defined in GB/T 9195 and JGJ/T 191 apply to this document.