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BLUESIL RTV 8352 LV A

BLUESIL RTV 8352 LV A

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Medium-hard 2K-Pt silicone potting compound with a 1:1 mixing ratio for electrotechnical coatings.

Medium-hard 2K-Pt silicone potting compound (Shore A 55, whitish) with a 1:1 mixing ratio for electrotechnical coatings and encapsulation applications

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  • Manufacturer
  • Mixing ratio
  • Networking type
  • Container
  • Number of components
  • consistency
  • Mixing ratio
  • UV resistance
  • Paint has hardened
  • Self-leveling
  • Viscosity uncrosslinked (mPa·s)
  • Electrical insulation
  • Potting time (min)
  • Demolding time (min)
  • Food contact
  • Suitable for medical use
  • Tensile strength (MPa)
  • Elongation at break (%)
  • brand

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BLUESIL 2K silicone , low viscosity, ELKEM Swiss bearing, electrical insulation, RTV addition , platinum electronic potting compound, base component, 200 kg , 1:1, RTV 8352 Low Viscosity Encapsulation

 
General Terms and Conditions.

Shipping usually within 1 to 3 business days
(availability will be confirmed after ordering)

. Express logistics. Fast and reliable within Switzerland & Europe.

Shipping from Swiss warehouse within 24 hours. Batch certificate. Invoice within 30 days (B2B). Technical support.
Shipping & Delivery

Usually 1 to 3 working days

Availability will be confirmed after order receipt.

Express logistics within Switzerland & Europe.

General Terms and Conditions →

Product data

HS code: 39100000

HS code: 39100000

BLUESIL RTV 8352 LV A
BLUESIL RTV 8352 LV A
Bluesil · Elkem Silicones ·

Bluesil RTV 8352 LV A & B is a medium-hard 2K-Pt silicone potting compound (Shore A 55, whitish) with a 1:1 mixing ratio for electrotechnical coatings and encapsulation applications.

This product range comprises 2K polyaddition silicone elastomers for universal electrotechnical encapsulation and coating — low viscosity, with good dielectric properties. RTV 8352 LV is tailored to specific industrial applications — the most important properties and areas of application are listed below.

1:1 mixing ratio — machine-friendly

Bluesil RTV 8352 LV uses a 1:1 mixing ratio (instead of 10:1) — insensitive to dosing deviations and ideal for 2K mixing machines. Its low viscosity (2,200 mPa·s) allows for easy refilling of reservoirs.

RTV 8352 LV in figures
1:1
Mixing ratio
Shore A 55
hardness
2,200 mPa·s
viscosity
8 h
demolding time

What distinguishes the RTV 8352 LV

1:1 mixing ratio
Machine-friendly and tolerant of small dosing deviations.
Low viscosity
2,200 mPa·s — simple refilling of machine reservoirs.
Heat dissipation
Suitable for encapsulation with thermal heat dissipation.
Fast networking
Demolding time is 8 hours, which can be accelerated to 1 hour with heat at 120 °C.
Accelerator/retarder available
Bluesil ACC PA 39 (accelerator) and RTRD PA 40 (retarder) — Workflow adaptation.
High dielectrics
Volume Resistivity 1.4×10¹⁵ Ω·cm — good electrical insulation.

What is the RTV 8352 LV used for?

Electrical Engineering Encapsulation
Potting of components in devices and circuits.
Electronic coating
Protective layer for PCBs and electronic components.
Calorie derivation
Encapsulation with thermal heat dissipation.
2K machine processing
Optimized for 2K mixing machine applications.
Refillable in machines
Low viscosity, quick-drying application.
Industrial potting
Versatile encapsulation for medium hardness.
Data sheets & safety data sheet
Full TDS and SDS in DE, EN, FR — view or download directly.
To the documents →

processing

1
Prepare component
Position clean, dry components in encapsulation form.
2
Mix 1:1
Machine-friendly 1:1 mixing ratio — tolerant of dosing deviations.
3
Degas
30–50 mbar vacuum for bubble-free encapsulation.
4
Shed
Slowly pours into the mold. Low viscosity (2,200 mPa·s) — easily refillable.
5
Curing
8 h at RT or 1 h at +120 °C. Accelerator ACC PA 39 or retarder RTRD PA 40 available.

Recommended accessories

Bluesil Inhibitor 3
Pot life extender for polyaddition silicone systems (Pt-Cure).
View product →
Bluesil Primer 131
Universal adhesion promoter for stainless steel, aluminum, PMMA and many metals.
View product →

Important instructions

Mixing & Dosage
Stir A and B thoroughly before each use. Use precise dosage in the specified ratio (see table above) — ideally by weight. Incorrect dosage will result in incomplete cross-linking.
Degassing
Degas the mixture under a vacuum of 30–50 mbar. The material expands 3–4 times, then contracts back to its original size after 5–10 minutes. Interrupt the vacuum several times for better degassing.
Avoid inhibitors
Polyaddition silicones are inhibited by: sulfur-vulcanized rubber, tin-catalyzed RTV, amine epoxides, and PVC with tin salts. If in doubt, conduct a preliminary test.
Application advice
SILITECH will advise you on the optimal RTV variant for your application — substrate, hardness, pot life, mechanics. Contact us with your specific application details.

RTV 8352 LV compared to related RTV products

Networking system, mechanics, and processing times side by side — all values ​​from the official Elkem TDS. “— " = not specified in the datasheet.

RTV 8352 LV
Current product		 ESA 7250 →RTV 141 →RTV 147 →
Networking system2K Polyaddition (Pt)2K Polyaddition (Pt)2K Polyaddition (Pt)2K Polyaddition (Pt)
Mixing ratio1 : 110 : 110 : 110 : 1
ColorWhitishOptically clear, colorlessTransparent, colorlessBeige / light blue (B)
Shore A hardnessA 55A 52A 50A 60
Elongation at break78 %115 %120 %180 %
Tensile strength2.3 MPa6.2 MPa6 MPa6 MPa
Tear resistance—4 kN/m—>15 kN/m
Potting time130 min4 h4 h2 h
demolding time8 h24–48 h24–48 h24–48 h
Mixed viscosity2,200 mPa·s4,000 mPa·s4,000 mPa·s150,000 mPa·s
Main applicationElectrical Engineering EncapsulationElectronic pottingOptoelectronic connectionsThermal insulation devices
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
BLUESIL 2K silicone , low viscosity, ELKEM Swiss bearing, electrical insulation, RTV addition , platinum electronic potting compound, base component, 200 kg , 1:1, RTV 8352 Low Viscosity Encapsulation

Technical data for BLUESIL RTV 8352 LV A

All 19 product information 8 Further properties 1 Physical properties 3 Electrical properties 1 Curing values ​​2 Product approvals 2 Mechanical properties 2
Product information
Manufacturer Elkem Silicones
Mixing ratio 1:1
Networking type Addition (Platinum)
Container 400ml, 1kg, 5kg, 25kg, 200kg
Number of components 2K (two-component)
consistency Flowable
Mixing ratio 1:1
brand Bluesil
Other features
UV resistance No
Physical properties
Paint has hardened Transparent
Self-leveling Yes
Viscosity uncrosslinked (mPa·s) 2
Electrical properties
Electrical insulation Yes
Curing values
Potting time (min) 130
Demolding time (min) 8
Product approvals
Food contact No
Suitable for medical use No
Mechanical properties
Tensile strength (MPa) 2.3
Elongation at break (%) 78

For binding values, please refer to the technical data sheet (TDS) in the "Documents" tab.

Documents and datasheets

Click on a document for a preview or the download icon for a direct download.

Technical Data Sheets (TDS) 2
Bluesil RTV 8352 LV A - Technical Data Sheet EN.pdf
641 KB
Bluesil RTV 8352 LV A - Fiche Technique FR.pdf
174 KB
Safety Data Sheets (SDS) 3
Bluesil RTV 8352 LV A - Safety Data Sheet DE.pdf
169 KB
Bluesil RTV 8352 LV A - Fiche de Sécurité FR.pdf
268 KB
Bluesil RTV 8352 LV A - Scheda di Sicurezza IT.pdf
260 KB

Frequently asked questions about RTV 8352 LV

Practical questions regarding processing and design — answered by SILITECH.

Bluesil RTV 8352 LV A & B: Medium-hard 2-component platinum silicone potting compound (Shore A 55, whitish) with a 1:1 mixing ratio for electrotechnical coatings and encapsulation applications. Main applications include electrical engineering encapsulation, electronic coating, and heat dissipation.

Polyaddition crosslinking is a two-component silicone chemistry using a platinum catalyst. Component A contains the platinum complex, and component B contains the SiH crosslinker. When mixed, the components crosslink without releasing reaction byproducts—no shrinkage due to outgassing, excellent dimensional accuracy, and low linear shrinkage. Important: Polyaddition silicones are inhibited by various substances—sulfur-vulcanized natural rubbers, tin-catalyzed RTV silicones, amine-catalyzed epoxy resins, and tin-stabilized PVC. In case of doubt, a preliminary test should be carried out.

Thoroughly stir components A and B before each processing step. Measure precisely according to the mixing ratio specified in the TDS (see comparison table above) – ideally by weight. Mix with an electric or pneumatic agitator at low speed (minimize air entrainment). Degas the mixture under vacuum (30–50 mbar) – the material will expand 3–4 times its original volume, bubbles will escape, and the material will settle back after 5–10 minutes. Then slowly pour into the mold from the lowest point to avoid air entrapment. For polyaddition systems, avoid contact with inhibitors (sulfur-based rubber, tin-based RTV, amine epoxides, PVC with tin salts).

Store in the unopened original container in a dry, cool place — typically between +5 and +30 °C, see TDS for exact values. Store components A and B separately; seal airtight after opening. Polyaddition systems are insensitive to moisture, but should be stored in a cool place to maintain pot life. Consult the Safety Data Sheet (SDS) before use.

The comparison table above lists related RTV products with different hardnesses, pot lives, or application profiles. If you are unsure which product is best for you, we would be happy to advise you — contact SILITECH with details of your application (substrate, desired hardness, processing time, mechanical requirements, and durability).

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Product specifications

Product information
Container 400 ml or 1 kg or 5 kg or 25 kg or 200 kg
Manufacturer Elkem Silicones
Mixing ratio 1:1
Networking type Addition (Platinum)
Number of components 2K (two-component)
consistency Flowable
Mixing ratio 1:1
brand Bluesil
Other features
UV resistance No
Physical properties
Paint has hardened Transparent
Self-leveling Yes
Viscosity uncrosslinked (mPa·s) 2
Electrical properties
Electrical insulation Yes
Curing values
Potting time (min) 130
Demolding time (min) 8
Product approvals
Food contact No
Suitable for medical use No
Mechanical properties
Tensile strength (MPa) 2.3
Elongation at break (%) 78
Keywords
Keywords
BLUESIL 2K silicone , low viscosity, ELKEM Swiss bearing, electrical insulation, RTV addition , platinum electronic potting compound, base component, 200 kg , 1:1, RTV 8352 Low Viscosity Encapsulation
Mechanical properties
Shore hardness A55.0 Shore A
Tensile strength2.3 MPa
Elongation at break78.0 %
Linear shrinkage< 0.1 %
processing
Viscosity of mixture2,200 mPa·s
Viscosity Comp. A2,200 mPa·s
Viscosity Comp. B2,200 mPa·s
Pot life at 23°C130.0 min
demolding time480.0 min
Physical & Thermal
Density (23°C)1.41 g/cm³
Temperature resistance (duration)-50 to 200 °C
Peak temperature (short-term)200 °C
Electrical characteristics
Dielectric constant ε (1 kHz)3.6
Contact resistance1e+15 Ω·cm
Loss factor tan δ0.0024
storage
Shelf life in original packaging6 months
Storage temperature-5 to 30 °C

Documents and datasheets

Safety Data Sheets (SDS) and Technical Data Sheets (TDS) are available for download: