GB/T 35157-2017 in English
VALIDResinous agglomerated stone slab
- Issued on:2017-12-29
- Implemented on:2018-11-01
- File Format:PDF
- Delivery:Within 1 day
$303.00
《GB/T 35157-2017树脂型合成石板材》由TC460（全国石材标准化技术委员会）归口，主管部门为中国建筑材料联合会。
Introduction
Analysis of the core content of the standard
GB/T 35157-2017 specifies the technical requirements for synthetic panels with resin as adhesive and stone as aggregate, mainly including three product types:
| Type | Aggregate characteristics | Typical applications | Key indicators |
|---|---|---|---|
| Granite panels | Carbonate minerals | Indoor decoration | Water absorption ≤0.20% |
| Quartz Stone Slabs | Silicate Minerals | Countertops/Floors | Compression Strength ≥150MPa |
| Large Aggregate Slabs | Particles＞18mm | Art Decoration | Customization Requirements |
Key Technical Requirements
Physical Property Differences
Case Comparison: When a project uses coarse aggregate granite slabs (CG) and fine aggregate quartz slabs (XS) at the same time:
- Granite slabs have a Shore hardness of ≥40, suitable for wall decoration
- Quartz slabs have a wear resistance of ≤32mm, more suitable for high-frequency use floors
Durability test
The standard requires that after passing the 200-hour xenon lamp aging test:
- Color difference ΔE≤2.0 CIE unit
- Bending strength change rate≤15%
Implementation suggestions
Selection guide
| Application scenario | Recommended type | Key verification indicators |
|---|---|---|
| Kitchen countertops | XS quartz stone slabs | Pollution resistance ≤Level 4 |
| Commercial floor | CS quartz stone slabs | Anti-slip grade ≥Level 3 |
| Building curtain wall | XG granite plate | Linear thermal expansion coefficient≤40×10-6/℃ |
Acceptance points
- Check the flatness of smooth plate: tolerance 0.50mm when length ≤600mm
- Verify that the radionuclide limit should meet Class A standards
- Visual inspection of color difference should be carried out under standard light source
Technology evolution analysis
Main progress compared with the old version of the standard:
- Added dimensional stability grading requirements (three levels of A/B/C)
- Refine the wet test method for anti-slip performance (Appendix C)
- Introduction of chemical corrosion performance classification system (C1-C4)
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