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BLUESIL RTV 3255 + Cat. XY-86 1.1kg

BLUESIL RTV 3255 + Cat. XY-86 1.1kg

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Production of highly flexible molds for shoe soles and technical products.

High-hardness (Shore A 55), high-temperature resistant 2K sn silicone — specifically for shoe sole manufacturing and technical mold tools

Price on request

  • Brand
  • Manufacturer
  • Curing type
  • Container
  • Number of components
  • Consistency
  • Mixing Ratio
  • UV resistance
  • Cured Color
  • Self-leveling
  • Density (g/cm³)
  • 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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Red Tin Mold Making Silicone BLUESIL 2K Silicone ELKEM Industrial Swiss Warehouse RTV Complete Kit Hard Condensation RTV 3255 Shore A 55 Shoe Soles Technical Molds Thermal Post-Curing Price List Missing

 
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.

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Product data

Internal reference: 40-931.PG.K1.1

HS Code: 39100000

Internal reference: 40-931.PG.K1.1
HS code: 39100000

BLUESIL RTV 3255 + Cat. XY-86 1.1kg
BLUESIL RTV 3255 + Cat. XY-86 1.1kg
Bluesil · Elkem Silicones · SKU 40-931.PG.K1.1

Red-tinted mold-making silicone with high temperature resistance, supplied as a kit with catalyst CATA XY 86 NL. Designed for high hardness and tear resistance.

BLUESIL RTV 3255 is a silicone elastomer that cures to a flexible, elastic material at room temperature after the addition of the catalyst BLUESIL CATA XY 86 NL. It is designed for highly flexible molds for shoe soles and technical parts. The mixing ratio is 100 parts base to 4 parts catalyst. This product is the RTV 3255 kit plus 4% CATA XY 86 NL.

High-temperature post-curing

According to TDS, hardness and tensile strength continue to increase at high temperatures: after 2 weeks at 300 °C, RTV 3255 reaches approximately 90 Shore A and a tensile strength of around 5 MPa. However, use under confinement at high temperatures leads to a significantly reduced service life; in such cases, other BLUESIL RTV types should be used.

RTV 3255 in numbers
55 Shore A
Hardness after 24 hours at 23 °C
3 h
Pot life at 23 °C
30,000 mPa·s
Viscosity of the base at 23 °C
100 : 4
Base to catalyst

What makes the RTV 3255 stand out

Temperature resistant
High temperature resistance is a key advantage, according to the Elkem data sheet.
High hardness
Approximately 55 Shore A after 24 hours, significantly harder than classic art form silicones.
Tear-resistant
Designed for high hardness and tear resistance.
post-curing at heat
At high temperatures, hardness and tensile strength continue to increase, reaching approximately 90 Shore A after 2 weeks at 300 °C.
Fully cures
According to TDS, it cures completely regardless of the thickness, shape, and degree of inclusion of the molded part.
Viscosity adjustable
Adding 10% BLUESIL H47V50 reduces the viscosity by about a quarter without significantly changing pot life or final properties.

What is the RTV 3255 used for?

Shoe soles
Highly flexible molds for sole manufacturing.
Technical parts
Molds for technical components.
Hot applications
Molds suitable for use at elevated temperatures, thanks to their high-temperature properties.
Bonded superstructures
RTV 3255 can be bonded to metal, glass, laminates, as well as to silicone or synthetic resin molded parts and cured silicone.
Data sheet and safety data sheet
View or download the Technical Data Sheet (TDS) and Safety Data Sheet (SDS).
To the documents →

Processing

1
Mixing
Stir the base and catalyst before use. Mix 100 parts RTV 3255 with 4 parts CATA XY 86 NL using a slow-running stirrer to limit air entrainment.
2
Curing
Optimal conditions: 23°C and 50% relative humidity. Do not process below 20°C. Handleable after 24 hours, regardless of thickness.
3
Gluing (optional)
Clean and degrease metal surfaces, wipe with acetone, pretreat all surfaces except silicone with primer and allow to dry for at least 30 minutes at 23°C. Wipe silicone surfaces with acetone and sand.
4
Final cure
Final properties are determined after 3 days. Linear shrinkage continues to change for up to 30 days.

Important Notes

  • Processing is temperature and humidity dependent; do not process below 20 °C. Use under confinement at high temperatures will significantly reduce service life; in such cases, use other BLUESIL RTV types.
  • Store in the original container below 40 °C. RTV 3255 and the kit with CATA XY 86 NL have a shelf life of up to 12 months from the date of manufacture. Reseal opened containers.
  • The currently valid Elkem data sheet (TDS and SDS) is authoritative, which we will be happy to send you.
Topics & Application Fields
Key terms related to this product. Also useful for our search and filters.
Red Tin Mold Making Silicone BLUESIL 2K Silicone ELKEM Industrial Swiss Warehouse RTV Complete Kit Hard Condensation RTV 3255 Shore A 55 Shoe Soles Technical Molds Thermal Post-Curing Price List Missing

Technical data for BLUESIL RTV 3255 + Cat. XY-86 1.1 kg

All 20 Product Information 7 Other Properties 1 Physical Properties 4 Electrical Properties 1 Curing Values 2 Product Approvals 2 Mechanical Properties 3
Product Information
Brand Bluesil
Manufacturer Elkem Silicones
Curing type Condensation (tin)
Container 1.1 kg
Number of components 2K (two-component)
Consistency Flowable
Mixing Ratio 100:4
Further Properties
UV resistance No
Physical Properties
Cured Color Red
Self-leveling Yes
Density (g/cm³) 1.5
Uncrosslinked viscosity (mPa·s) 30
Electrical Properties
Electrical Insulation No
Curing values
Pot life (min) 3
Demolding time (min) 24
Product Approvals
Food contact No
Medical grade No
Mechanical properties
Tensile strength (MPa) 0.8
Elongation at break (%) 100
Tear strength (N/mm) 4

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

Documents and data sheets

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

Technical Data Sheets (TDS) 2
Bluesil RTV 3255 + Cat. XY-86 1.1 KG - Technical Data Sheet EN.pdf
537 KB
Bluesil RTV 3255 + Cat. XY-86 1.1 KG - Fiche Technique FR.pdf
92 KB

Frequently asked questions about RTV 3255

Practical application and design questions, answered by SILITECH.

Yes, this item is the RTV 3255 kit plus 4% CATA XY 86 NL. Base and catalyst are mixed 100 to 4.

According to TDS, it is highly temperature resistant. After two weeks at 300 °C, the material reaches approximately 90 Shore A and a tensile strength of around 5 MPa.

Approximately 55 Shore A after 24 h at 23 °C, tensile strength approximately 4 kN/m, elongation at break approximately 100 %.

Yes, with 10% BLUESIL H47V50 the viscosity decreases by about a quarter, without significantly changing pot life or final properties.

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Product Specifications

Product Information
Brand Bluesil
Manufacturer Elkem Silicones
Curing type Condensation (tin)
Container 1.1 kg
Number of components 2K (two-component)
Consistency Flowable
Mixing Ratio 100:4
Further Properties
UV resistance No
Physical Properties
Cured Color Red
Self-leveling Yes
Density (g/cm³) 1.5
Uncrosslinked viscosity (mPa·s) 30
Electrical Properties
Electrical Insulation No
Curing values
Pot life (min) 3
Demolding time (min) 24
Product Approvals
Food contact No
Medical grade No
Mechanical properties
Tensile strength (MPa) 0.8
Elongation at break (%) 100
Tear strength (N/mm) 4
Keywords
Keywords
Red Tin Mold Making Silicone BLUESIL 2K Silicone ELKEM Industrial Swiss Warehouse RTV Complete Kit Hard Condensation RTV 3255 Shore A 55 Shoe Soles Technical Molds Thermal Post-Curing Price List Missing
Mechanical properties
Shore hardness A55.0 Shore A
Tensile Strength0.8 MPa
Elongation at break100.0 %
Tear resistance4.0 kN/m
Processing
Viscosity Comp. A30,000 mPa·s
Pot life at 23°C180.0 min
Demolding time1440.0 min
Physical & Thermal
Density (23°C)1.5 g/cm³
Temperature Resistance (Continuous)-50 to 300 °C
Peak Temperature (Short-term)300 °C
Storage
Shelf life in original packaging12 months
Storage Temperature-5 to 30 °C

Documents and data sheets

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