DESCRIPTION

Sikaflex-521 UV Format 300ml is a single component weather resistant sealant based on Silane Terminated Polymers (STP) which cures on exposure to atmospheric humidity..

This multipurpose product is suitable for interior and exterior sealing applications.

Available in 600ml format

ADVANTAGES

Resistance to aging and atmospheric agents

▪ Adheres well to a wide variety of substrates without the need for special pre-treatment▪

▪ It can be painted

▪ It can be sanded

▪ Low odor emission

▪ Free of solvent and isocyanate

▪ Free of silicone and PVC

FIELDS OF APPLICATION

Sikaflex-521 UV adheres well to a wide range of substrates and is suitable for elastic bonding and sealing..

Suitable substrates are wood, metals, primers for metals and painted surfaces (2-component systems), ceramics and plastics.

Seek manufacturer advice and test original substrates before using Sikaflex-521 UV on materials subject to stress cracking..

This product is only suitable for experienced professional users.

Application

Sikaflex-521 UV can be processed between 5 C and 40 C but variations in reactivity and application properties must be taken into consideration. The optimum temperature for substrates and sealant is between 15 C and 25 C. Sikaflex-521 UV can be processed with manual, pneumatic or electric piston guns, as well as with pumping equipment.ggio. 

Technical Sheet Click Here

Disposal:

Jar: FE40 - Iron Collection

Recycle only if perfectly clean and empty.

Otherwise recycle on special ecological centers. .

Hazard label:

Labeling (REGULATION (EC) No. 1272/2008)

Non-hazardous substance or mixture according to regulation (EC) No. 1272/2008.

EUH208

Contains trimethoxyvinylsilane. May cause an allergic reaction.

EUH211

Attention! In the event of vaporization, dangerous respirable droplets may form. Do not breathe vapors or mists.