Sikaflex 521 UV is a one-component PUR-Hybrid sealant based on the Sika Silane Termi-nated Polymer (STP) technology. The product cures on exposure to atmospheric humidity to form a durable elastomer.
- 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
- Low odor
- High electrical resistance
- Isocyanate- and solvent-free
- Silicone- and PVC-free
Orders over £50 placed online will now qualify for FREE UK Mainland delivery*
Orders under £50 placed online for UK Mainland delivery is £6.95*
Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £19.50**
International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.
Please refer to our delivery page for more information.