1st Silicone AS-628, a one component, high performance industrial grade acetic cure silicone sealant. It offers excellent adhesion, UV resistance and elasticity. AS-628 does not crack or discolor when exposed to harsh elements. It adheres to most materials when used with an appropriate primer to form a durable, flexible, waterproof seal on wet area building materials.
Uses of AS-628 include general glazing of glass, fibreglass, plastics, stainless steel & aluminum, waterproofing of wet area building materials, sealing of small glass tanks and shower screens.
PROPERTIES
- Temperature resistance from -40°C to +200°C
- Acetic smell
- With anti-fungus properties
- Easy universal application
- Fast skin formation
- Colourfast and UV-Resistant
- Suitable for indoor and outdoor
APPLICATIONS
- General glazing of glass, fibreglass, plastic, stainless steel and aluminium
- Curtain walls sealing of glass, metal and plastic
- Suitable sealing of small fish tank, shower screen and window glazing
- Extremely suitable for sealing of kitchen and air-conditioning ducting system
- General sealing of sheet metal, skylight and ventilators
SHELF LIFE
Store unopened packages for up to 6 months in a cool, dry storage place between +5°C to +40°C.
SURFACES
Substrate | : All usual building surfaces |
State of Surface | : Clean, dry and grease-free |
JOINT SIZE
Minimum Width | : 5mm |
Maximum Width | : 30mm |
Minimum Depth | : 5mm |
Recommendation | : 2 x depth = width |
APPLICATION
Application Method | : Applicator gun |
Application Temperature | : +1°C ~ +50°C |
Repair With | : 1st SILICONE AS-628 |
TECHNICAL DATA
Base | : Polysiloxane |
Consistency | : Stable Paste |
Curing System | : Moisture Cure |
Skinning Time | : ca 7 minutes |
Curing Time | : 1.5mm/24hrs |
Hardness | : 28+ 5 Shore A |
Shrinking | : None |
Specific gravity | : 1.03 - 1.25 |
Temperature Resistance | : -60°C until + 200°C |
Elastic Recovery | : >80% |
Elongation at Break | : >500% |
Elasticity Modulus | : 0.35 N/mm sq |
Maximum deformation | : 25% |
Maximum tension | : 1.50 N/mm sq |