FOSROC Thioflex 600 is a premium two-part polysulphide sealant engineered for sealing movement joints in structures subjected to heavy traffic and dynamic stresses. Designed for superstructures, basements, subways, retaining walls, and brickwork, this versatile sealant ensures long-lasting protection and flexibility even under harsh environmental conditions.

Key Features

• High Performance: Forms a tough, elastic, rubber-like seal resistant to cracking and weathering
• Movement Flexibility: Accommodates continuous and cyclic movement without bond failure
• Strong Adhesion: Excellent adhesion to concrete, glass, aluminum, and stainless steel
• Long-Term Durability: Resistant to ageing, UV exposure, and climatic extremes
• Versatile Application: Suitable for new construction and remedial work in high-rise buildings and civil structures

Meets International Standards:

• ISO 11600:1993
• BS 4254:1983
• ASTM C920 - Type M, Class 25
• TT-S-00227E
• DTP Specification for Highway Works

Technical Specifications

• Form: Multi-component, paste compound
• Colours: Grey (Gun Grade)
• Movement Accommodation: 25% (butt joints) / 50% (lap joints)
• Cure Type: Chemical cure
• Pot Life: Approx. 2 hours @ 25°C
• Setting Time:
• 18 hours @ 25°C
• 36 hours @ 15°C
• 72 hours @ 5°C
• Full Cure Time: 1–4 weeks depending on temperature
• Application Temperature: 5°C to 50°C

Applications

• Expansion and movement joints in floors, basements, subways, and superstructures
• Sealing retaining walls, brickwork, and civil engineering structures
• Ideal for high-rise buildings where maintenance access is limited

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