Aktivator-205 Clear 250ml BottleSikaA(R) Aktivator-205 is a solvent-based colorless clear adhesion promoter, which reacts with moisture and deposits active groups on the substrate. These groups act as a link between substrates and primers or sealants/adhesives. SikaA(R) Aktivator-205 is designed for the treatment of bond faces prior to the application of SikaflexA(R) and SikasilA(R) adhesives and sealants. Features: Enhanced adhesion on various substrates Short flash-off time Easy to use Transparent Areas of Application:SikaA(R) Aktivator-205 is used to improve adhesion on non-porous substrates such as metals, plastics, ceramic screen prints, and painted surfaces. Seek manufacturer&';s advice and perform tests on original substrates before using SikaA(R) Aktivator-205 on materials prone to stress cracking. This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.