Sikaflex® 521UV 300ml - grey

SKU: 108633
GTIN: 7612894184518
Category: Sealing, Bonding & Insulating
Manufacturers:

Chemical base: Silane-terminated polymer (STP)

Colour (CQP001-1): light grey

Curing mechanism: Moisture curing

Density before curing: 1.4kg/l

Stability: good

Processing temperature: 5 to 40°C

Skin forming time (CQP019-1): 30 minutes (23°C)

Volume change (CQP014-1): -2%

Shore A hardness (CQP023-1 / ISO 7619-1): 40

Tensile strength (CQP036-1 / ISO 527): 1.8 MPa

Elongation at break (CQP036-1 / ISO 527): 400%

Tear resistance (CQP045-1 / ISO 34): 5.5 N/mm

Shelf life (CQP016-1): 12 months when stored below 25°C

10,95 €

36,50 € per 1 l

incl. 19% VAT , plus

Available immediately
Delivery time: 2 - 3 Workdays (DE - int. shipments may differ)

Description
Reviews

Weather-resistant STP adhesive and sealant with a broad adhesion spectrum

Sikaflex®-521 UV is a weather-resistant, one-component STP adhesive and sealant with good adhesion to a wide range of substrates such as metals, ABS, PC, FRP and wood where no special pre-treatment is usually required. This universal product is suitable for indoor and outdoor sealing.

Resistant to ageing and weathering
Good adhesion to a wide range of substrates without special pre-treatment
Free from isocyanate and solvents

Product advantages

Resistant to ageing and weathering
Good adhesion to a wide range of substrates without special pre-treatment
Free from isocyanate and solvents
Can be painted over
Sandable
Low odour

Application

Sikaflex®-521 UV adheres well to a variety of substrates and is suitable for permanent, elastic sealing and bonding. Suitable substrates, including wood, are metals, primers and paints (two-component systems), ceramic materials and plastics. This universal product is suitable for interior and exterior waterproofing. Follow the manufacturer's recommendations before using Sikaflex®-521 UV on materials susceptible to stress cracking. Preliminary tests must be carried out with original materials to avoid stress cracking. This product is only suitable for experienced users. To ensure adhesion and material compatibility, preliminary tests must be carried out with original materials under the respective conditions.