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SikaFlex 221 Adhesive & Sealant - Black 300ml (Box of 12)

Home Shop Sealants & Adhesives Glue and Adhesives SikaFlex 221 Adhesive & Sealant – Black 300ml (Box of 12)
Product SKU: SKFLEX221BKx12
£119.00incl VAT.
£99.17excl VAT.
In Stock

The Sika Sikaflex 221 Adhesive & Sealant is a high-quality, 1-component, powerful polyurethane composite that cures exposure to atmospheric humidity, perfect for internal sealing and simple bonding applications.

  • Suitable for bonding to a wide variety of substrates
  • Resistant to ageing and non-corrosive
  • Compatible with sanding and painting over
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Total Price
£119.00 Incl VAT
£99.17 Excl VAT

Uses

The Sikaflex 221 Adhesive & Sealant by Sika is a fantastic, multi-purpose adhesive and sealant with brilliant elastic properties even after curing. It has excellent adhesion to various substrates and is suitable for metal, metallic primers, paint coatings, ceramic materials and plastics. Sika formulated this product to be compatible with paints, but it's vital to complete a preliminary test before completing the whole application. Despite the Sikaflex 221 being flexible, many paints are not; therefore, cracking and unsightly damages may occur.

Preparation

Surfaces to be bonded must be free from contaminants that can interfere with the bonding process. Focus on removing dirt, dust, oil, grease, etc., and then ensure the surface is dry afterwards.

Application

  1. Take a screwdriver or a similarly shaped, tough item and pierce the Sikaflex 221
  2. Cut the nozzle at a 45° angle with an opening to the required amount and screw it onto the cartridge.
  3. Place the cartridge into a standard sealant applicator tool/gun, and point the tip of the nozzle to the surface or gap to bond or fill and extrude the Sikaflex 221
  4. For perimeter pointing, apply it from one size to the other in one continuous bead - For adhesion, cover the surface with a zig-zag motion, allowing the material to extrude onto and bring the surfaces together and hold them tight.

Additional information

Weight 4.8 kg
Product Type

Sealants & Adhesives

Chemical base

1-component polyurethane

Cure Mechanism

Moisture-curing

Application temperature

5 ─ 40 °C

Skin time

60 Minutes

Open time

45 Minutes

Shrinkage

5 %

Shore A hardness

40

Tensile strength

1.8 MPa

Elongation at break

500%

Tear propagation resistance

7 N/mm

Technical Data Sheet

Safety Data Sheet

Product Information

Weight 4.8 kg
Product Type

Sealants & Adhesives

Chemical base

1-component polyurethane

Cure Mechanism

Moisture-curing

Application temperature

5 ─ 40 °C

Skin time

60 Minutes

Open time

45 Minutes

Shrinkage

5 %

Shore A hardness

40

Tensile strength

1.8 MPa

Elongation at break

500%

Tear propagation resistance

7 N/mm

Technical Data Sheet

Safety Data Sheet

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