Sikaflex 521 UV White multipurpose adhesive sealant
Sikaflex-521 UV White Multipurpose Adhesive Sealant
It is a multipurpose, one-component, elastic and thixotropic sealant, whose chemical base is hybrid polyurethane.
Dries through exposure to atmospheric moisture, resulting in a durable elastomer.
It is manufactured in accordance with the ISO 9001/14001 quality assurance system.
Elongation of 400% and has high resistance to aging and weathering.
Adheres well to a wide variety of substrates.
It is suitable for sealing and elastic gluing.
Its adhesion spectrum includes wood, metals, metallic primers and paints (two-component systems), ceramic materials and plastics.
Some additional advantages are:
Adheres well to a wide variety of substrates without the need for any pretreatment.
Accepts painting and sanding.
Low odor.
Non-corrosive.
High electrical resistance.
It does not contain volatile organic components or solvents.
Silicone and PVC free.
Weather resistant.
Shows a wide stopping range.
Suitable for an elastic, durable seal.
On many surfaces without prior treatment applicable