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1. Mixing of the two components

Mix Part A and Part B components according to recommended weight ratios.

The materials can be processed differently :

Hand mixing: The two components are thoroughly mixed using an electrical or pneumatic mixer, on a low speed setting so as to limit the inclusion of air in the mixture. A dispensing machine can also be used.

After mixing A and B parts, it is preferable to degas the product to eliminate the air bubbles that would be visible in the finished part and which would reduce the mechanical and dielectric properties.

Degassing is generally carried out with a vacuum of 30 to 50 mbar releasing the vacuum several times during the operation. A recipient with a high diameter/height ratio is better suited to quick degassing; however the height must be sufficient to contain the swelling of the elastomer under vacuum conditions.

Automatic mixing: The products should be used by means of automatic dosing equipment with a meter/static mixer, as the pot life is short to hand-mix and efficiently degas the material.

In order to avoid any air bubbles that may affect the mechanical and dielectric properties, it is recommended to degas separately A and B part, prior to pour it slowly and regularly into the tanks of the dosing machine. The A and B Parts should be dosed and mixed with a static mixer with a standard commercial equipment (A special care is recommended in pumping the product from the tanks to avoid any air entry before dosing and mixing).

 2. After mixing

BLUESIL ESA 6120 QC A&B are poured slowly and regularly. In the case of a high thickness potting operation, it must be made at the lowest point in the volume to be filled; this avoids forming and including air bubbles in the volume. It should not be filled totally to allow expansion of the mixture at service temperatures.

Certain materials that the BLUESIL ESA 6120 QC A&B may be in contact with when curing could inhibit the reaction. Especially troublesome materials are: sulphur-containing cured natural and synthetic rubber compounds (neoprene, latex, SBR), tin catalyzed silicone rubbers, amine catalyzed epoxies, PVC stabilized with tin salts and some polyurethane elastomers.

STORAGE -5°C No special storage precautions noted. Material is stable under normal conditions. Avoid contact with oxidizing agents. Suitable containers: polyethylene. Plastic lined steel drum.Please consult the Safety Data Sheet of this product.

BLUESIL ESA 6120 QC A

BLUESIL ESA 6120 QC A&B is a pourable two components silicone rubber that cures quickly at room temperature by a polyaddition reaction, to a very soft and clear silicone gel.

Protection

2 Part RTV

Fluid

  • Easy processing, due to the good fluidity of parts A and B and their mixing ratio (1:1).
  • Good pourability.
  • Quick setting, accelerated by heating.
  • Pronounced inherent tack.
  • Good adhesion on various substrates
  • Outstanding dielectric properties.
  • Good heat stability in confined space (even above 100°C).
  • Outstanding protection of encapsulated equipment against mechanical stress due to temperature variations and vibrations
  • Potting of cable joints.
  • Protection of electronic units by potting.
  • Encapsulation of electronic components, sensors for the automotive and power electronics industries.
  • Damping systems.

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

 

 

 Characteristics_B

 

 

 

 

 Table_Characteristics_A_And_B

 

 

viscosity_0c1789e9-7fae-461e-aa38-a017f6e319b0viscosity_0c1789e9-7fae-461e-aa38-a017f6e319b0Viscosity200PairedMixISO 3219mPa.s
penetration_a142c699-2b17-4f82-882a-75f6253332edpenetration_a142c699-2b17-4f82-882a-75f6253332edPenetration270PairedMixISO 21371/10mm
working-time_ea6d5b8a-5ff3-4b13-996b-45964448efa5working-time_ea6d5b8a-5ff3-4b13-996b-45964448efa5Working Time22PairedMixmin

 

 

 

 

BLUESIL ESA 6120 QC BBLUESIL ESA 6120 QC B/our_offer/Product/90059947/90059946/BLUESIL-ESA-6120-QC-B

 

 

 

 

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Adhesive Silicones Solutionshttps://www.bluestarsilicones.com/EN/Our_offer/KEC/ListInstance_Brochure_Title/AdhesiveSiliconesSolutions_Brochure.pdfAdhesive Silicones Solutions

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