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SILISIL RTV MF-Dura 35

SILISIL RTV MF-Dura 35

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Translucent, pourable RTV-2 silicone with high tear resistance and dimensional stability for detailed reproductions.

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Addition cross-linking Model making Silicone mold making RTV-2 silicone, RTV-2 silicone casting silicone Concrete molds High tear resistance Transparent silicone compound Mold silicone artificial stone molds Model molds

 
Terms and Conditions

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

Express logistics – fast and reliable within Switzerland and Europe

HS code: 3910.0000

SILISIL RTV MF-Dura 35 – High-precision, addition-curing 2K silicone for mold making and concrete applications


SILISIL RTV MF-Dura 35 is a high-performance, addition-curing two-component silicone (RTV-2) that has been specially developed for demanding mold making and concrete applications. It is part of the SILISIL MF product line (MasterForm), which is specially designed for professional mold making. With its excellent dimensional stability, high mechanical resistance, and reproduction accuracy, this product is ideal for producing molds with the finest details. Its transparent color makes it easy to check the filling and allows precise placement of the casting material. Thanks to its high tear resistance and dimensional stability, SILISIL RTV MF-Dura 35 is also ideal for repeated applications. It shows no shrinkage, is easy to process, and achieves best results when cross-linked at room temperature. Its compatibility with concrete also makes this silicone ideal for the production of decorative concrete parts and molded parts.

product features

  • Addition-curing RTV-2 silicone (1:1 mixing ratio by weight)
  • Translucent color for visual inspection
  • Viscosity: 7,500 mPa·s
  • Density: 1.09 g/cm³
  • Pot life: approx. 20 minutes (at 23°C)
  • Demolding time: approx. 210 minutes
  • Final hardening after approx. 24 hours
  • Shore A hardness: approx. 33
  • Tensile strength: >5 N/mm²
  • Elongation at break: approx. 460%
  • Tensile strength: 20 N/mm
  • Temperature resistance: -40°C to +200°C
  • Shrink-free

Suitable materials

  • concrete
  • artificial stone
  • Synthetic resins (e.g., PU, epoxy)
  • Wax and plaster

Typical areas of application

  • Mold making for jewelry, artificial stone, and model making
  • Production of concrete molds with high detail accuracy
  • Replication of fine structures in restoration and art
  • Series production of molded parts for heavy-duty applications

product specifications

Physical properties
Color transparent
Hardness (Shore A) 35
product information
container 500 g + 500 g or 1 kg + 1 kg or 2.5 kg + 2.5 kg or 5 kg + 5 kg or 10 kg + 10 kg or 25 kg + 25 kg
brand SILISIL
keywords
keywords
Addition cross-linking Model making Silicone mold making RTV-2 silicone, RTV-2 silicone casting silicone Concrete molds High tear resistance Transparent silicone compound Mold silicone artificial stone molds Model molds