APPLICABLE STANDARDS

ISO 11600 F 25 HM/20LM, ASTM C920.87 AND 98 as Type S, 

Grade NS, Class 50, use NT, G, A, M and O as external joint sealant

PACKAGING AND COLOR INFORMATION

SAUSAGE: 590ML

COLOR: Black, White, Gray

Regular Color

DESCRIPTION

SILMATE PU1986 High Performance Polyurethane Joint Sealant is a one component, low modulus, polyurethane joint sealant which forms into a tough, flexible seal with excellent weatherability, that is able to retain its original properties even after years of exposure to the climate.

APPLICATION

For sealing joints where a high performance joint sealant is required in areas such as: Expansion and construction joints in precast and concrete; Brick and block work; Aluminium windows, metal curtain wall; Marble, granite and sandstone; GRC, Fibreglass & specialty panel systems.

TYPICAL PROPERTIES

SHELF LIFE AND STORAGE

When stored between 5℃ and 30℃ in the original unopened containers, this product has a usable life of 12 months from the date of manufacture. Refer to product packaging for "Use By" date.

LIMITATIONS

SILMATE PU1986 High Performance Polyurethane Joint Sealant must not be: *Used in chlorinated water such as swimming pools, spas, etc. *Used on any material containing bitumen. *Constantly immersed in salt water. *Used for glazing applications. *Applied to cement based substrates within 28 days of initial pour or set. *Used in trafficable joints. *Applied at temperatures below 5°C or above 35°C. *Exposed to water and/or alcohol before it has Finished using wet tooling techniques, using solvents, water or detergent / soap solutions completely cured. *Applied less than 5mm in width. Applied less than 6mm in depth. Maximum joint width on vertical substrates is 20mm. Maximum joint width on horizontal substrates is 50mm. *Used where the substrate is incompatible with plasticized sealants. *SILMATE PU1986 may yellow on the surface if exposed to strong natural or artificial UV light for prolonged periods of time. *Allow 14 days for full cure in joints over 20mm in width.