Multi-purpose adhesive sealant with a wide adhesion range
Sikaflex®-221 is a multi-purpose 1-component polyurethane adhesive / sealant that bonds well to a wide variety of substrates like metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. It is suitable for making permanent elastic seals.
Bonds well to a wide variety of substrates
Resistant to ageing
Can be sanded and painted
Bonds well to a wide variety of substrates
Resistant to ageing
Can be sanded and painted
Passes EN45545-2 R1/R7 HL3
Non-corrosive
Low odour
NSF-approved for incidental food contact
Potable water approved (meets AS4020 requirements)
Usage
Sikaflex®-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals . Suitable substrate materials are metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. It is ideally used for internal sealing and simple bonding applications. Seek manufacturer’s advice and perform tests on original substrates before using Sikaflex®-221 on materials prone to stress cracking. This product is suitable for experienced professional users only. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
Sika Boom® G is a one-component, fast curing, gun applied polyurethane foam with a very high expansion rate.
One-Component
Easy application with application gun
High expansion rate
Sika Boom® G is designed for fixing, insulating and filling connection joints around window and door frames, air-conditioning vents and roller blind housings.
Sika Boom® G allows insulation against noise, cold and draughts after a single application.