Sierra Clay
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Sierra Clay features soft, dove gray, and khaki veins. Ready to harmonize with nearly any color scheme or design style.
3.0 cm
Sierra Clay | Applications
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Sierra Clay – Crystalline Silica Free Product Specifications Sheet @2025 |
TECHNICAL CHARACTERISTICS
| CHARACTERISTICS | TEST METHOD | UNIT OF MEASUREMENT | TEST RESULTS |
|---|---|---|---|
| Density | ASTM 373 | g/cm³ | 2.3 |
| Abrasion resistance (polished) | ASTM C241/C241M-13 | – | 42 |
| Absorption by weight | ASTM C97/C97M-09 | % | 0.04 |
| Modulus of rupture | ASTM C99 | PSI | 8500 |
| Compressive strength (dry) | ASTM C170/C170M-14 | MPa | 204 |
| Linear thermal expansion | ASTM C531 | – | 3.2×10⁻⁵ |
| Compressive strength (wet) | ASTM C170/C170M-14 | MPa | 202 |
| Mean water absorption | ASTM C97/C97M-09 | % | 0.04 |
| Maximum individual depth of staining | – | mm | 1 |
| Standard deviation | – | – | ±1.1 |
| Chemical resistance | ANSI Z124.6 Section 5.5 | – | Pass |
| Water Absorption | ASTM C97/C97M-09 | % | 0.04 |
| Stain resistance | ANSI Z124.6 Section 5.2 | – | No effect |
| Moh's hardness | DIN EN 101 | Moh’s Scale | 6.5–7.0 |
| Flexure strength | ASTM C880 | MPa | 68 |
| Thermal Shock | ASTM C484 | – | Passed 8 cycles |
Warranty Terms and Conditions
To activate the warranty, users must retain the proof of purchase. Only warranties registered on our website within six months of purchase will be considered valid. PetraMia Stones products sold on or after July 1, 2009, come with a 10, 15, or 25-year warranty. For detailed information, please refer to the general terms and conditions.
As PetraMia Stones is not involved in the manufacturing of countertops but solely provides the material, in cases where the warranty applies, PetraMia Stones will provide all necessary materials for countertop replacement. However, it does not cover the costs associated with manufacturing and installing the product. Faults arising from the preparation or installation of the product are not covered by the warranty, as PetraMia Stones does not perform these activities.
For this form to be considered valid:
• All fields must be clearly filled, providing accurate information.
• The form must be completed and submitted within six months of purchase.
• Retain the proof of purchase and thoroughly read the warranty booklet, along with the terms and conditions contained therein.
We will process the personal data provided for managing warranty processing and customer service. The legal basis for processing your data is the consent given when requesting warranty registration. Your data will be stored for 25 years after the end of the commercial relationship to fulfill the company's legal obligations. This information will not be sold or shared outside of PetraMia Stones.
Your data will also be processed to keep you informed about issues related to the use and safety of PetraMia Stones products. The legal basis for processing your data is the legitimate interest of the data controller in informing the user about the purchased products. Your data will be stored for 25 years after the end of the commercial relationship to comply with the company's legal obligations.
At any time, you can exercise your rights of access, correction, deletion, objection, deletion of any/all data, limitation of processing, and transfer by mail to the address indicated above or by e-mail to our Data Protection Delegate at gdpr@petramiastones.com.