GB/T 3296-2021Test method for translucency of daily-use porcelain (English PDF)

Foreword

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

This standard replaces GB/T 3296-1982 "Method for Determination of Transmittance of Daily Porcelain". Compared with GB/T 3296-1982, the main technology The changes are as follows.

---The scope of application of the standard has been increased (see Chapter 1);

---Added terms and definitions (see Chapter 2);

--- Added classification (see Chapter 3);

---Added the principle (see Chapter 4);

---Modified the test instrument (see Chapter 5, Chapter 1 of the 1982 edition);

---Modified the sample requirements (see Chapter 6, Chapter 2 of the 1982 edition);

---Modified the test method (see Chapter 7, Chapter 3 of the 1982 edition);

---Added the result display (see Chapter 8);

---Added test report (see Chapter 9).

1 Scope

This standard specifies the classification, principles, test instruments, samples, test methods, and methods for determining the transmittance of daily-use porcelain products and carcass materials. Result presentation and test report.

This standard applies to the determination of the transmittance of daily-use porcelain products and carcass materials.

2 Terms and definitions

The following terms and definitions apply to this document.

3 Categories

According to the measurement object, it is divided into the light transmittance of the product and the light transmittance of the carcass material.

4 Principle