Sika Sikaflex 221 Multipurpose Adhesive Sealant With a Wide Adhesion Range 310ML - Black, Grey, White
- Stock: 1
- Model: SK-F221
RM42.50
Available Options
Sikaflex®-221 is a versatile polyurethane adhesive/sealant with excellent adhesion to metals, painted surfaces, ceramics, and plastics. Ideal for permanent elastic sealing and light bonding applications, especially for interior use.
Specification
- Chemical Base: 1-component polyurethane
- Curing System: Moisture-curing
- Colors: Black, Grey, White
- Capacity: 310ml
- Density: ~1.3 kg/L
- Skin Time: ~60 minutes
- Open Time: ~45 minutes
- Shore A Hardness: 40
- Tensile Strength: 1.8 MPa
- Elongation at Break: 500%
- Service Temperature: -50°C to +90°C
- Application Temperature: 5°C – 40°C
- Shelf Life: 12 months (below 25°C)
Features
- Excellent adhesion to many substrates
- Durable and resistant to ageing
- Non-corrosive and low odor
- Can be sanded and painted after curing
- Forms permanent elastic seals
- Certified EN45545-2 R1/R7 HL3
Application
- Internal sealing works
- Light bonding applications
- Suitable for metals, painted surfaces, ceramics, and plastics
- Recommended for professional users
- Adhesion testing advised for stress-sensitive plastics






