Sika® Primer-206 G+P is a black primer that is based on solvents and reacts with moisture to create a thin layer, which functions as a connection between adhesives and substrates. It is designed particularly for use on bond faces before applying Sika’s 1-component polyurethanes.

Usage

Sika® Primer-206 G+P is used to improve adhesion on substrates such as float glass, ceramic-coated glass, pre-coatings, painted surfaces and some plastics and metals.
Seek manufacturer’s advice and perform tests on original substrates before using Sika® Primer-206 G+P on materials prone to stress cracking.
This product is suitable for experienced professional users only. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.

Packaging

Can

6×250 ml

Typical Product Data

Chemical base		Solvent-based Polyurethane solution
Colour (CQP001-1)		Black
Solid content		36 %
Application temperature		5 ─ 40 °C
Application method		Brush, felt or foam applicator
Consumption	depending on substrate porosity	50 ml/m²
Flash-off time	≥ 15 °C < 15 °C maximum	10 minutes ^A 30 minutes ^A 24 hours ^A
Shelf life		9 months ^B

CQP = Corporate Quality Procedure

^A) In specific applications temperature and flash-off time may be different

^B) stored in sealed container in up-right position in a dry place at ≤ 25 °C

IMPORTANT NOTE

If Sika® Primer-206 G+P is used below 5 °C further testing under worst case conditions are mandatory.
Sika® Primer-206 G+P is a moisture reactive system. In order to maintain product quality it is important to reseal the container with the inner plastic liner immediately after use. Once the surface pre-treatment operation is completed, the cap has to be screwed on.
Dispose the product of approx. one month after opening if used frequently or after two months in case of infrequent use. For 100 ml pack sizes dispose it two weeks after opening. 30 ml cans are for single application only.
If gelling, separation or a significant increase in viscosity is noted, discard the primer immediately.
Never dilute or mix this product with any other substances.

If used on transparent or translucent substrates such as float glass, plastics, etc., an adequate UV protection is mandatory.

METHOD OF APPLICATION

Surfaces must be clean, dry and free from grease, oil, dust and contaminants.
Adhesion on substrates may be improved by adding and/or combining pre-treatment processes such as scuffing and cleaning.
Pre-treat the bond face of the substrates with Sika® Aktivator-100 using the wipe-on, wipe-off method and allow flashing-off.

Primer Application

Shake the Sika® Primer-206 G+P can very thoroughly until mixing ball rattles freely. Continue shaking for another minute and apply a thin but covering coat with a brush, felt or foam applicator.
Ideal application and surface temperature are between 15 °C and 25 °C.
Sika® Primer-206 G+P has to be applied once only. Care must be taken to ensure that this single application gives adequately dense coverage. Consumption and method of application depend on the specific nature of the substrates. Tightly reseal container immediately after each use.

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