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1. Working conditions
Primers are highly flammable liquids! Ensure to work in a well-ventilated work space free of any source of ignition.
The working temperature should range between 5°C and 30 °C. Higher temperatures will cause a very fast evaporation and thus lead to irregular layers of the primer.
In order to avoid premature reaction of the primer it is recommended to fill only small amounts into a small beaker and re-seal the bottle immediately.


2. Preparation of the substrate
The substrate must be clean, dry and free from grease. It is recommended to clean the surface with acetone. Roughening or structuring the surface will improve the adhesion.


3. Application of primers
All primer components have to be stirred thoroughly before using.
The primers should be applied as a very thin film using a soft brush or a lint-free cloth. A coat weight of 30 – 60 g/m² is recommended depending on the roughness and absorbency of the ground.
In a first step a thin coating of BLUESIL PRIM PM 820 (UVT) has to be applied by brushing or spraying. The film should dry for about 30 min at 23°C. 

The components of BLUESIL PRIM PM 811 and BLUESIL PRIM PM 812 are mixed in a ratio of A : B = 10 : 1.

A thin coating of the mixture is brushed on the surface. The film should dry again for at least 30 min at 23 °C.


4. Application of the adherent
Apply the silicone elastomer mixture soon after the primer treatment and vulcanise it as recommended in the respective Technical Data Sheets.

STORAGE -10°C < t < +30°C IN ITS ORIGINAL PACK STIR WELL BEFORE USEAvoid discharge into drains, water courses or onto the ground. Store in a cool, dry place with adequate ventilation. Keep away from incompatible materials, open flames, and high temperatures. Nitrogen blanketing of containers is required. Avoid contact with oxidizing agents. Suitable containers: Steel drums coated with epoxy-resin.Please consult the Safety Data Sheet of this product.RoHS;WEEE

BLUESIL PRIM PM 812 A

BLUESIL PRIM PM 811 A&B and BLUESIL PRIM PM 812 A&B are two component bonding agents to improve the adhesion of silicones to various substrates in combination with BLUESIL PRIM PM 820 (UVT).
The primers are supplied as low viscous solutions of the active ingredients.

Adhesion;Primer

Primer

Fluid

RoHS;WEEE

 

  • Quick processing due to high volatility
  • Highest performance adhesion in combination with BLUESIL PRIM PM 820 (UVT).

 

Adhering Pt catalysed silicones onto various substrates such as:

  • Aluminium and other metals
  • Reinforced epoxy resins, polyurethane and other polymers

 

Asia Pacific;Europe Middle East Africa;Central and South America;North America

For information about Storage and Shelf Life for this product, please download the Technical Data Sheet.

 Characteristics_A

 

 

Density0.77PairedCompg/cm3
Viscosity1PairedCompmPa.s

 Characteristics_B

 

 

Density0.71PairedCompg/cm3
Viscosity1PairedCompmPa.s

 

 

 Table_Characteristics_A_And_B

 

 

pot-life_0d649a54-7503-4c7c-a047-9d0c4b3e9f6apot-life_0d649a54-7503-4c7c-a047-9d0c4b3e9f6aPot life180PairedMixmin

 

 

 

 

BLUESIL PRIM PM 812 BBLUESIL PRIM PM 812 B/our_offer/Product/90032248/90032247/BLUESIL-PRIM-PM-812-B

 

 

 

 

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