Sika Sikaflex 521 UV 300ml
Sikaflex®-521 UV is a multi-pur-pose non-sag elastic one compo-nent sealant based on a polyure-thane-hybrid compound, which cures on exposure to atmospheric humidity to form a durable elas-tomer.
-UV, ageing and weathering resistant
-Bonds well to a wide variety of substrates without the need for special pre-treatment
-Can be overpainted
-Can be sanded
-High electrical resistance
-VOC and solvent-free
-Silicone and PVC free
Areas of Application
Sikaflex-521 UV bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high bonding strength. Suitable substrate materials are timber, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics.
Seek manufacturer’s advice before using on transparent materials that are prone to stress cracking.
This product is suitable for professional experienced users only. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
Please note that after your order has been placed we will contact you with details about payment and shipping.
FREE UK mainland delivery on all orders totalling £150 (net) or more. Admin, packaging and delivery charge of £10.95 will apply to orders less than £150. If you are eligible for Volume Purchase or Reseller Discount this will be applied after placing your order and will show on your final invoice.