Sikasil® WT-489
High-performance, two-part industrial window bonding silicone
Sikasil® WT-489 is a two-part, neutral-curing, and fast-setting silicone sealant and adhesive suitable for structural bonding of insulating glass units into window frames, back-bedding and heel or toe bead applications.
- Designed for adhesion to a wide variety of substrates
- Compatible with traditional insulating glass edge sealing systems
- Very good mechanical properties for window bonding applications
- Optimized application properties for improved productivity of automated mix and dispense equipment
- Superior UV and weathering resistance
- Remains flexible over a wide temperature range
- Long-term durability