Sika® Primer-206 G+P

Sika® Primer-206 G+P

Pigmented, solvent based primer for various substrates

Sika® Primer-206 G+P is a solvent-based black primer, which reacts with moisture and forms a thin layer. This layer acts as a link between substrates and adhesives.
Sika® Primer-206 G+P is specifically formulated for the treatment of bond faces prior to application of Sika’s 1-component Polyurethanes.

  • Enhanced adhesion on a wide variety of substrates
  • Easy to apply
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  • Enhanced adhesion on a wide variety of substrates
  • Easy to apply

Areas of Application

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. Tests with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.

Product Details

Typical Product Data

Chemical base Solvent-based Polyurethane solution


Color (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



10 minutes A
30 minutes A
24 hours A
Shelf life (CQP016-1) 9 months B
CQP = Corporate Quality Procedure A) for specific application, temperature and flash-off time may be different
  B) stored in sealed container in up-right position in a dry place at ≤ 25 °C


If Sika® Primer-206 G+P is used below 5 °C further testing under expecting 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 of product approx. one month after opening if used frequently or after two months in case of infrequent use. For 100 ml pack sizes dispose it of 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.


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.



Shake the Sika® Primer-206 G+P can very thoroughly until mixing balls rattle 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 is 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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