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BLUESIL RTV 3720 B SC (5 kg)

BLUESIL RTV 3720 B SC (5 kg)

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Component B of the addition-curing RTV-2 injection silicone BLUESIL RTV 3720 SC (mixing ratio 1:1, Shore A 20): silicone membranes and vacuum bags for composite processing (vacuum resin infusion).

Low-viscosity 2K-Pt spray silicone (sprayable, thixotropic) for vacuum bag membranes in composite component manufacturing (vacuum resin infusion)

Price on request

  • Brand
  • Manufacturer
  • Curing type
  • Container
  • Number of components
  • Consistency
  • Mixing Ratio
  • UV resistance
  • Cured Color
  • Self-leveling
  • Uncrosslinked viscosity (mPa·s)
  • Electrical Insulation
  • Pot life (min)
  • Demolding time (min)
  • Food contact
  • Medical grade
  • Tensile strength (MPa)
  • Elongation at break (%)
  • Tear strength (N/mm)

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Blue silicone BLUESIL thixotropic 2K silicone ELKEM Swiss bearing aviation RTV addition platinum catalyst protective coating boatbuilding 5 kg 1:1 RTV 3720 vacuum bag vacuum pouch composite VARTM infusion slow-cure SC casting application

 
General Terms and Conditions

Shipping usually within 1 to 3 business days
(Availability confirmed after order)

Express logistics. Fast and reliable within Switzerland & Europe

From Swiss stock Dispatch within 24h Batch certificate Invoice 30 days (B2B) Technical advice
Shipping & Delivery

Usually 1 to 3 business days

Availability is confirmed after order receipt.

Express logistics within Switzerland & Europe.

Terms and Conditions →

Product data

Internal reference: 40-2309B.KN.K005

HS Code: 39100000

Internal reference: 40-2309B.KN.K005
HS code: 39100000

BLUESIL RTV 3720 B SC (5 kg)
BLUESIL RTV 3720 B SC (5 kg)
Bluesil Elkem Silicones SKU 40-2309B.KN.K005​

RTV 3720: Two-component, slightly thixotropic addition-curing silicone elastomer (1:1); Versions A&B (fast, sprayable) and SC A&B (slow, pourable); applicable as a silicone film.

RTV 3720 belongs to the BLUESIL RTV series from Elkem, the two-component silicones for mold making and impression taking. Technology: Addition curing (platinum, 2K). Sales segment: Primarily silicone skin production..

RTV 3720 at a glance

Two-component, slightly thixotropic addition-curing silicone elastomer (1:1); versions A&B (fast, sprayable) and SC A&B (slow, pourable); applicable as a silicone film.

RTV 3720 at a Glance
2K
Addition
A 20
Shore A hardness
1
Mixing ratio

What sets RTV 3720 apart

Mechanical properties
Very good mechanical properties
Viscosity (easily sprayable),
Low viscosity (easily sprayable), thixotropic
Choice between very
Choice between very fast curing and extended open time
Chemical resistance
high chemical resistance.

What is RTV 3720 used for?

Silicone skins and bellows
Silicone skins and bellows on molds for composite processing using the vacuum resin infusion process
Not limited to
not limited to this application.
Data sheet and safety data sheet
View or download the Technical Data Sheet (TDS) and Safety Data Sheet (SDS).
To the documents →

Processing

1
Mix components
Mix parts A and B in the specified ratio with minimal air entrapment.
2
Processing
Apply or join within the pot life.
3
Curing
Cure at room temperature, can be accelerated by heat.
4
Check suitability
Before series use, test adhesion and suitability on the component.

Important Notes

  • The currently valid Elkem data sheet (TDS and SDS) is authoritative, which we will be happy to send you.

RTV 3720 in Comparison

RTV 3720
Current Product		RTV 3041 →RTV 3325 (+ catalyst) →RTV 3428 →
CrosslinkingAdditionAdditionCondensationAddition
Colortranslucenttranslucentwhitewhite
Shore A20382528
Duration °Cn.a.n.a.n.a.n.a.
Topics & Application Fields
Key terms related to this product. Also useful for our search and filters.
Blue silicone BLUESIL thixotropic 2K silicone ELKEM Swiss bearing aviation RTV addition platinum catalyst protective coating boatbuilding 5 kg 1:1 RTV 3720 vacuum bag vacuum pouch composite VARTM infusion slow-cure SC casting application

Technical data for BLUESIL RTV 3720 B SC (5 kg)

All 19 Product Information 7 Further Properties 1 Physical Properties 3 Electrical Properties 1 Curing Values 2 Product Approvals 2 Mechanical Properties 3
Product Information
Brand Bluesil
Manufacturer Elkem Silicones
Curing type Addition (Platinum)
Container 5 kg
Number of components 2K (two-component)
Consistency Flowable
Mixing Ratio 1:1
Further Properties
UV resistance No
Physical Properties
Cured Color Blue
Self-leveling Yes
Uncrosslinked viscosity (mPa·s) 30
Electrical Properties
Electrical Insulation No
Curing values
Pot life (min) 3
Demolding time (min) 15
Product Approvals
Food contact No
Medical grade No
Mechanical properties
Tensile strength (MPa) 4
Elongation at break (%) 500
Tear strength (N/mm) 15

Please refer to the technical data sheet (TDS) in the "Documents" tab for binding values.

No public documents available.
On request, we will gladly send you TDS and SDS by email, Submit request.

Frequently Asked Questions about RTV 3720

Practical application and design questions, answered by SILITECH.

RTV 3720 is suitable for silicone skins and bellows on molds for composite processing using the vacuum resin infusion process, but is not limited to this application.

RTV 3720: Addition-curing (platinum, 2K).

Your question not covered?

Our technical team provides personal advice on material selection, processing questions, and individual requirements. Fast and competent.

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Product Specifications

Product Information
Brand Bluesil
Manufacturer Elkem Silicones
Curing type Addition (Platinum)
Container 5 kg
Number of components 2K (two-component)
Consistency Flowable
Mixing Ratio 1:1
Further Properties
UV resistance No
Physical Properties
Cured Color Blue
Self-leveling Yes
Uncrosslinked viscosity (mPa·s) 30
Electrical Properties
Electrical Insulation No
Curing values
Pot life (min) 3
Demolding time (min) 15
Product Approvals
Food contact No
Medical grade No
Mechanical properties
Tensile strength (MPa) 4
Elongation at break (%) 500
Tear strength (N/mm) 15
Keywords
Keywords
Blue silicone BLUESIL thixotropic 2K silicone ELKEM Swiss bearing aviation RTV addition platinum catalyst protective coating boatbuilding 5 kg 1:1 RTV 3720 vacuum bag vacuum pouch composite VARTM infusion slow-cure SC casting application
Mechanical properties
Linear shrinkage< 0.1 %
Processing
Viscosity Comp. A40’000 mPa·s
Viscosity Component B40’000 mPa·s
Pot life at 23°C60.0 min
Demolding time150.0 min
Physical & Thermal
Density (23°C)1.1 g/cm³
Temperature Resistance (Continuous)-50 to 200 °C
Peak Temperature (Short-term)200 °C
Storage
Shelf life in original packaging12 months
Storage Temperature-5 to 30 °C