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RTV134 Silicone Mold Rubber

The best value RTV-2 condensation cure silicone rubber — high strength, low shrinkage, exceptional detail reproduction, and long mold life for industrial and craft casting applications.

RTV134 Silicone Technical Data Sheet

High-Strength Silicone for Precision Molding

RTV134 silicone mold rubber is a two-component, room-temperature vulcanizing (RTV) condensation-cure silicone designed for high-performance mold making. With excellent tear and tensile strength, low viscosity, and superior release properties, it ensures long mold life and accurate reproduction of fine textures and details.

Ideal for casting polyurethane, epoxy, polyester resins, concrete, plaster, wax, foam, and even low-melting metals. RTV134 is widely used in sculpture reproduction, GRC, artificial stone, craft casting, and industrial prototyping.

Non-toxic, user-friendly, and self-releasing
Resistant to aging, deformation, and chemical exposure
Silicone mold in use

Our Premium Silicone Products

Discover our range of high-performance silicone rubbers for mold making and casting applications.

RTV134 Silicone

RTV134 Condensation Cure

High-strength, low-shrinkage silicone for industrial molds.

  • • Tear strength: High
  • • Viscosity: Low
  • • Cure Type: Condensation
  • • Applications: Resin, concrete, plaster
RTV818 Silicone

RTV818 Platinum Cure

Addition-cure silicone with zero shrinkage and FDA compliance.

  • • Non-shrinkage, non-deformation
  • • FDA compliant
  • • Food-safe applications
  • • Ideal for lifecasting
25kg Drum Package

25kg Drum Package

Economical bulk packaging for frequent users.

  • • Net weight: 25kg
  • • A+B components included
  • • Sealed for freshness
  • • Industrial-grade container
200kg Drum Package

200kg Drum Package

Maximum volume for large-scale production.

  • • Net weight: 200kg
  • • Cost-effective per kg
  • • Ideal for factories
  • • Durable steel drum
Silicone Mold Making

Custom Mold Kits

Complete kits with mixing tools and instructions.

  • • Includes A+B components
  • • Measuring cups & stirrers
  • • Step-by-step guide
  • • Beginner-friendly
RTV134 TDS

RTV134 Technical Support

Access to full TDS, MSDS, and application guides.

  • • Full technical data sheet
  • • Safety documentation
  • • Troubleshooting tips
  • • Expert consultation
RTV818 Food Grade

RTV818 Food-Grade Silicone

Perfect for chocolate, candy, and cake molds.

  • • FDA compliant
  • • Odorless and tasteless
  • • Heat resistant up to 200°C
  • • Reusable and durable
RTV134 Sample Pack

RTV134 Sample Pack

Try before you buy — small batch for testing.

  • • 1kg sample kit
  • • Includes instructions
  • • Fast shipping
  • • Risk-free evaluation

Why Choose RTV134 Silicone?

Engineered for durability, precision, and ease of use across diverse casting applications.

High Heat Resistance

Withstands temperatures up to 200°C without degradation, ideal for high-heat casting processes.

Low Shrinkage

Minimal dimensional change ensures accurate reproduction of fine details and textures.

User-Friendly

Low viscosity allows easy mixing and pouring. Self-releasing formula reduces need for mold release agents.

Chemical Resistant

Resists oils, solvents, and common casting chemicals, extending mold life.

Long Service Life

Durable formulation supports hundreds of casting cycles with proper care.

FDA Compliant (RTV818)

Safe for food contact applications including chocolate, cake, and candy molds.

Typical Uses & Casting Materials

Common Applications

  • Plaster, gypsum, and concrete mold making
  • Resin casting (polyurethane, polyester, epoxy)
  • Foam and wax casting
  • Sculpture and art reproduction
  • Soap and candle making
  • Cold cast bronze and metal art
  • GRC and architectural elements
  • Craft, toy, and collectible casting

Casting Compatibility

Polyurethane Resin

Epoxy Resin

Concrete & GRC

Wax & Candles

Chocolate & Candy

Low-Melt Metals

Quality & Compliance

Our products meet international standards for safety, performance, and reliability.

FDA Compliant (RTV818)

Safe for food contact

RoHS Compliant

Free from hazardous substances

Eco-Friendly Formula

Low VOC, non-toxic

Frequently Asked Questions

What is the shelf life of RTV134 silicone?

RTV134 has a shelf life of 12 months when stored in a cool, dry place away from direct sunlight and moisture. Keep containers tightly sealed.

Can I use RTV134 for food molds?

RTV134 is not FDA compliant. For food applications like chocolate or cake molds, we recommend RTV818 platinum-cure silicone, which is FDA approved.

What is the mixing ratio for RTV134?

The standard mixing ratio is 100:10 by weight (Part A : Part B). Always refer to the technical data sheet for precise instructions.

Why isn't my silicone curing?

Inhibition can occur if the silicone contacts sulfur, amines, or certain metals. Avoid using latex gloves, sulfur-containing clays, or polyester rubber near uncured silicone.

Get in Touch

For product inquiries, technical support, or bulk orders, visit the official website to contact the supplier.

Mobile/WhatsApp: 0086-13250974038
Visit Official Website to Contact

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