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1. Mixing the two components

The components A and B are mixed by weight in the above indicated ratio.

The mixing can be carried out either by hand or using a low-speed electric or pneumatic mixer to minimise the introduction of air and to avoid any temperature increase.

It is also possible to use a special mixing and dispensing machine for the two silicone components. Further information is available upon request

2. Degassing

The mixture should be degassed preferably at 30 to 50 mbar to eliminate any entrapped air. If a dispensing machine is used, the two components are degassed separately prior to mixing.

The silicone mixture expands to 3 to 4 times of its initial volume and bubbles rise to the surface. The bubbles progressively disappear and the mixture returns to its initial volume after 5 to 10 minutes. Wait a few minutes to complete the degassing and then flash the vacuum. The silicone is ready for pouring, either by gravity or under low pressure.

Note: Flashing the vacuum once or twice accelerates the degassing. It is recommended to use a container with a high diameter / height ratio.

3. Polymerisation

The system polymerises at 23°C. The curing may be slowed down at lower temperature and contrary accelerated by heat.

Contact with certain materials can inhibit the crosslinking. See list below:

  • natural rubbers vulcanised with sulphur,

  • RTV 2 silicone elastomers catalysed with metal salts, e.g. tin-compounds,

  • PVC stabilised with tin salts and additives,

  • epoxy resins catalysed with amines.

In case of doubts, it is recommended to test the substrate by applying a small quantity of the mixed silicone on a restricted area.

When stored in their original packaging at a temperature of between -10°C and +30°C, BLUESIL RTV 3040 A & B, SB, HARD, LV, QC may be stored for up to 12 months from their date of manufacture.

Comply with the storage instructions and expiry date marked on the packaging.

Beyond this date, Bluestar Silicones no longer guarantees that the products meet the sales specifications.

Please consult the Safety Data Sheet of this product.

BLUESIL RTV 3040 SB B

BLUESIL RTV 3040 A & B, SB, LV, HARD, QC is a two component silicone elastomer which is available in 5 versions with different features:

  •     A + B = standard grade
  •     A + B SB = self-bleeding grade
  •     A + B LV = low viscosity grade
  •     A + B HARD = higher hardness grade
  •     A QC + B QC = quick curing grade

Each version of BLUESIL RTV 3040 A & B crosslinks at room temperature by polyaddition reaction. The polymerisation can be accelerated by heat (max. 150°C).

The silicone components are delivered as two viscous liquids, which once mixed and cured, transform into a transparent, elastic and resistant material. Polymerisation occurs without production of heat.

Optical Transparency;Release

2 Part RTV

Fluid

 

  • accurate reproduction of details,
  • very good transparency,
  • exceptional mechanical properties,
  • free matching within product range.

 

 

  • Reproduction of 3D objects in polyurethane, waxes, foams, epoxy, polyester etc.

 

Europe Middle East Africa;Central and South America

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

 Characteristics_A

 

 

Hardness35MonocompDIN 53505sh.A
Viscosity2400PairedCompBSI HL 019mPa.s
ColorTransparentPairedComp

 Characteristics_B

 

 

Viscosity50000PairedCompBSI HL 019mPa.s
ColorTransparentPairedComp

 

 

 Table_Characteristics_A_And_B

 

 

pot-life_0d649a54-7503-4c7c-a047-9d0c4b3e9f6apot-life_0d649a54-7503-4c7c-a047-9d0c4b3e9f6aPot life75PairedMixBSI HL 016min
tear-strength_a14604f3-602f-4240-a9bf-15d90bbfbd13tear-strength_a14604f3-602f-4240-a9bf-15d90bbfbd13Tear strength18PairedMixASTM D 624BN/mm

 

 

 

 

BLUESIL RTV 3040 ABLUESIL RTV 3040 A/our_offer/Product/90025603/90025604/BLUESIL-RTV-3040-A

 

 

 

 

 NeedAnExpert

 

 

 CS

 

 

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Under The Skin Of a Silicone Artisthttps://www.bluestarsilicones.com/EN/Our_offer/KEC/Pages/SuccessStories/Under-the-skin-of-a-silicone-artist.aspxUnder The Skin Of a Silicone Artist

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 TDS

 

 

 

 

 

 

BLUESIL RTV 3040 ABLUESIL RTV 3040 A/our_offer/Product/90025603/90025604/BLUESIL-RTV-3040-A
BLUESIL RTV 3040 BBLUESIL RTV 3040 B/our_offer/Product/90025604/90025603/BLUESIL-RTV-3040-B
BLUESIL RTV 3040 HARD BBLUESIL RTV 3040 HARD B/our_offer/Product/90038040/90025603/BLUESIL-RTV-3040-HARD-B
BLUESIL RTV 3040 LV BBLUESIL RTV 3040 LV B/our_offer/Product/90038042/90025603/BLUESIL-RTV-3040-LV-B
BLUESIL RTV 3040 QC BBLUESIL RTV 3040 QC B/our_offer/Product/90054588/90060892/BLUESIL-RTV-3040-QC-B

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