SUPAPRO 425 is a hybrid polyurethane, elastic joint sealant that can be painted once cured. Meets requirement for ASTM C719 with movement capability of ±25% with a Shore A Hardness of 30. Perfect for internal and external use and safe for the applicator as does not contain solvents or isocyanates like traditional polyurethane sealants.
FEATURES & BENEFITS
- Isocyanate & Solvent Free
- Superior UV Resistance
- Non Slumping
- Non Bubbling Formulation
- Highly Elastic ±25%
- Excellent weather proofing properties
Ideal for use as a joint sealant for expansion, movement and perimeter joints with strong adhesion to most building materials, timber, concrete, fibre cement, plasterboard, brick and block work, sandstone, granite, metals including aluminium, steel, lead, zinc, common plastics including fibreglass, polystyrene, PVC.