Our MC-202 X’MASTIC is a one-component, non-drying polybutene rubber-based mastic that does not harden but remains permanently soft and paste-like. Ready-to-use and formulated with excellent resistance to water vapour transmission, it provides long-lasting flexible sealing for specialized applications requiring permanent elasticity.

Key Features & Benefits

• Permanently non-skinning – remains soft and workable indefinitely
• Low shrinkage – maintains seal integrity over time
• Moisture resistance – excellent water vapour barrier properties
• Excellent adhesion – bonds to diverse substrate materials
• Wide temperature service – performs from -40°C to 80°C
• Versatile substrate compatibility – works on plastics, metals, glass, masonry, and timber
• Specialized formulation – ideal for controlled environments
• Multiple color options – white, almond, and custom colors available

Applications

• Cold storage installations – temperature-controlled facilities
• Clean room construction – contamination-controlled environments
• Prefabricated construction – modular building systems
• Plastic, metal, glass sealing – versatile material bonding
• Masonry and timber applications requiring permanent flexibility
• HVAC systems in controlled environments

Product Specifications