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Gypsum S-350

S-350 is the most popular concrete capping products of Capstone Series. S-350 provides the best balance of working ability and strength performance for concrete capping.

The water and gypsum ratio for S-350 is recommended to be 23-24%. After simply mixing with water, the gypsum can be used immediately and will fully harden in approximately 30 minutes. with strength reaching over 350 kgf/cm2, equals to 5000psi.

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S-350 is the most popular concrete capping products of Capstone Series. S-350 provides the best balance of working ability and strength performance for concrete capping.

The water and gypsum ratio for S-350 is recommended to be 23-24%. After simply mixing with water, the gypsum can be used immediately and will fully harden in approximately 30 minutes. with strength reaching over 350 kgf/cm2, equals to 5000psi.

  • Gypsum capping is the most convenient, efficient, rapid, and safest capping method

  • Uses 100% pure gypsum (no extra filler)

  • High strength capping gypsum

  • Every delivered lot is under strict quality control

  • According to the regulations of U.S. ASTM C617 standard

  • Conforms to ASTM C617 5.3.1 standard

  • Cylinder Compressive Strength: 350 kgf/cm² (5000 psi)

  • Maximum Thickness (Average Thickness of Cap): 6 mm

  • Maximum Thickness (Any Part of Cap): 8 mm

  • High strength gypsum capping material

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