GB/T 37125-2018 in English
VALIDSulpho-aluminate cement clinker
- Issued on:2018-12-28
- Implemented on:2019-11-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 37125-2018硫铝酸盐水泥熟料》由TC184（全国水泥标准化技术委员会）归口，主管部门为中国建筑材料联合会。
Introduction
In-depth interpretation of GB/T 37125—2018 Sulphoaluminate Cement Clinker Standard
1. Background of standard formulation and analysis of technological evolution
Sulphoaluminate cement clinker (SACC) is a high-performance cement material, and its research and development and application reflect the continuous progress of building materials technology. This standard is based on the drafting rules of GB/T 1.1-2009, combined with domestic and foreign research results and technical practice experience, and aims to standardize product quality, test methods and application requirements.
The main mineral components of sulphoaluminate cement clinker are anhydrous calcium sulphoaluminate (C4A3S), dicalcium silicate (C2S) and calcium aluminoferrate (CAFA), which give the material excellent physical and mechanical properties and durability. The formulation of the standard fills the gap in the domestic standardization system in this field and provides technical support for engineering applications.
2. Comparative analysis of standard frameworks
| Standard dimensions | GB/T 37125—2018 | CN | Comparison |
|---|---|---|---|
| Definition of terms | Requirements for mineral composition and chemical composition of sulphoaluminate cement clinker | - | New specifications, clear technical indicators |
| Grading and code | SACC-I, SACC-II, SACC-III | - | Classification according to Al2O3 content |
| Chemical composition requirements | The index ranges of aluminum oxide, ignition loss and free calcium oxide are specified in Table 1 | - | Ensure product quality consistency |
3. Implementation suggestions and application cases
Key points of the test method:
- Chemical composition testing: aluminum oxide and ignition loss are in accordance with GB/T 205, and free calcium oxide is in accordance with GB/T 176.
- Physical property testing: compressive strength is determined by reference to GB/T 8074, and specific surface area is determined by sieve analysis according to GB/T 1345.
Quality Control Recommendations:
- Strictly monitor the mineral composition and chemical composition fluctuations of clinker during production.
- Take samples by batch before leaving the factory to ensure that all indicators meet the requirements of 5.1 and 5.2.1.
- Establish a quality traceability system to facilitate problem analysis and responsibility tracing.
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