Product added to basket
Loading
Loading

Sika

Flex 521 Uv Stp Sealant/Adhesive

About the product

Sikaflex®-521 UV is a weather-resistant 1-component silane-terminated polymer (STP) adhesive/caulk that adheres well to many surfaces such as metal, ABS, PC, fiberglass and wood - usually without any pre-treatment.

 

A multifunctional product that is suitable for both indoor and outdoor grouting tasks.

Sikaflex®-521 UV adheres well to many different surfaces and is suitable for elastic jointing and gluing. Suitable surface materials include timber, metals, metal primers and two-component paint systems, ceramics and plastics. A multifunctional product that is suitable for both indoor and outdoor grouting tasks. Ask the manufacturer for advice and test the material on the actual surface before using name on surfaces prone to cracking.

This product should only be used by experienced, professional users. Tests must be carried out on the actual surfaces and under the actual conditions to ensure adhesion and the suitability of the material.

  • Chemical base Silane-terminated polymer
  • Curing mechanism Moisture curing
  • Density Depends on color 1.4 kg/l
  • Non-sag property Good
  • Ambient application temperature 5 ─ 40 °C
  • Skin formation time (CQP019-1) 30 minutes A
  • Curing speed (CQP049-1) (see diagram)
  • Shrinkage (CQP014-1) 2%
  • Shore A hardness (CQP023-1 / ISO 48-4) 40
  • Breaking strength (CQP036-1 / ISO 527) 1.8 MPa
  • Elongation at break (CQP036-1 / ISO 37) 400%
  • Tear strength (CQP045-1 / ISO 34) 5.5 N/mm
Read more Read less

Safety and enviroment

H sentences

  • H317: May cause an allergic skin reaction.
  • H226: Flammable liquid and vapour.
  • H304: May be fatal if swallowed and enters airways.
  • H413: May cause long lasting harmful effects to aquatic life.
Read more Read less

flex-521 UV Light Grey

  • Stock: 22 in stock
  • Item no.: 70410
  • Unit: 1 PCS(300 ML)
Limited quantity - item is being omitted

Flex 521 Uv Black

  • Stock: 14 in stock
  • Item no.: 70365
  • Unit: 1 PCS(300 ML)
Limited quantity - item is being omitted

Flex-521 Uv White

  • Stock: 15 in stock
  • Item no.: 71257
  • Unit: 1 PCS(300 ML)
Limited quantity - item is being omitted
;
Recommended accessories