Porphyry granite

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last updated：Aug 26, 2020

グレートスピリッツ

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Porphyry with rich colors and shapes and diverse designs.

Our company handles porphyry, a type of volcanic rock that has been used for construction, road paving, and garden cobblestones in Europe for a long time. It is produced in naturally split slab shapes, with a rough surface that remains unchanged over time, even when wet, making it suitable for places like nursing homes. Please feel free to contact us if you have any inquiries. 【Features】 ■ Slip resistance that does not change over time, even when wet ■ Aesthetically and functionally smooth surface ■ High wear resistance due to its hardness ■ Strong compressive strength, flexural strength, impact resistance, and fracture toughness ■ Does not absorb water, preventing freezing even in cold regions, etc. *For more details, please download the PDF or contact us.

Related Link - http://www.great-spirit.jp/feature.html

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【Other Features】 - Almost zero water absorption, making it difficult for chewing gum to stick and preventing stains. - Thermal expansion rate is less than half that of other stones, with no loss due to expansion. - Strong acid resistance, unaffected by chemicals. - Designers can freely assemble a wide variety of designs. - It is possible to incorporate various colors into the design assembly, etc. *For more details, please download the PDF or contact us.