x’traseal® MC-202 X’Mastic is a one-component, non-drying polybutene rubber based sealant that remains permanently soft and paste-like. It provides excellent resistance to water vapour transmission and strong adhesion to plastics, metals, glass, masonry, and timber. MC-202 is ideal for cold storage, clean rooms, and prefabricated construction where a non-skinning, moisture-resistant seal is required.

Key Highlights

• Permanently non-skinning and flexible
• Low shrinkage and excellent moisture resistance
• Adheres to plastics, metals, glass, masonry, and timber
• Perfect for cold storage, clean rooms, and prefab construction
• Service temperature: -40°C to +80°C
• Application temperature: +5°C to +40°C
• Available in White, Almond (other colours on request)

Packaging