OS120 is a rapid curing duct sealant which gives a firm but flexible seal in low movement joints. It has been designed for permanent sealing in low, medium & high pressure ductwork installations to prevent loss of air pressure.
When correctly applied, the product is capable of sealing to the air leakage requirement of Class C to HVCA standard DW 144.
Not recommended for use in conditions of continuous water immersion, below ground level, in areas subject to abrasion or in contact with bituminous surfaces.
Joint width and joint depth should not be less than 3 mm to ensure adequate penetration of the sealant and performance. If necessary back fill the joint with polyethylene joint backing in order to control the depth of sealant.
Apply with conventional skeleton gun at temperatures between +5°C and +40°C.
Skin Formation time at +23°C, 50% RH will be < 5 minutes
Key Features
- Prevents air leakage in low, medium and high pressure ductwork
- Can be used to meet requirements of Class C to HVCA standard DW 144
- Rapid curing – allows fast track sealing of ductwork
Viscosity Hand or Gun applied
Packaging Available 380 ml cartridges
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