T/YXNX 005-2021
Refractory raw material Cordierite (English Version)

Standard No.

T/YXNX 005-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Group Standards of the People's Republic of China

Latest

T/YXNX 005-2021

Scope

Specifies the terms and definitions, grades, technical requirements, test methods, quality assessment procedures, marking, packaging, transportation, storage and quality certificate requirements for cordierite raw materials for refractory materials. Suitable for cordierite raw materials used in refractory materials. Project JQS-GB JQS-DB Chemical composition/% w(Al2O3)34.00~36.00 34.00~36.00 w(MgO) 13.00~15.00 13.00~15.00 w(Fe2O3) ≤0.80 - *Bulk density/(g·cm-3) ≥ 1.65 ≥1.65 *Water absorption/% ≤23 ≤23 Thermal expansion coefficient (1200℃)/(10-6/℃) ≤1.9 ≤1.9 Cordierite phase content/% ≥90 ≥90 Whiteness/% >85 ≤85 Standard* Some are reference indicators

T/YXNX 005-2021 history

• 2021 T/YXNX 005-2021 Refractory raw material Cordierite