Quick answer: XPS thickness and density should follow the project design and measurable performance requirements. A thicker or denser board is not automatically the correct product unless it matches thermal, structural and installation needs.
Define Thickness From the Thermal Design
Use the project thermal calculation and applicable energy requirements to establish the insulation target. Confirm whether the quoted value is based on declared, tested or design conditions.
Relate Density to Performance Carefully
Density can influence several properties, but it is not a substitute for grade-specific compressive, thermal and water-absorption data. Request the relevant technical sheet or test evidence.
Control Dimensions in the Order
State length, width, thickness tolerance, edge profile and surface treatment. For fabricated parts, provide drawings and identify the controlling measurement points.
Buyer Checklist
- Provide the target thermal requirement
- State compressive performance where needed
- Define dimensional tolerances
- Approve an edge or fabrication drawing
- Request grade-specific documentation
Buyer FAQ
Does board color confirm density?
No. Use the ordered grade and supporting data.
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Submit Your RFQProject requirements should be verified against current official standards, product documentation and local regulations.