Silicones for polyester casting resin

High-quality silicone for polyester casting resin Discover our extensive collection of professional silicones specially developed for use with polyester casting resin. These silicones do not bond with polyester, making them perfect for mold making. Advantages of our silicone: No adhesion with polyester casting resin - easy release High temperature resistance...

  • Last stock! Wacker Elastosil M  4440

    WackerElastosil M 4440

    5 Arbeitstage

    €232,00€191,74

    Condensation-curing, castable, 2-component silicone rubber. Main application: Making cost effective molds, especially for casting various casting resins very good flowability and self-deaeration Shore A hardness (approx. 37) excellent tear strength high elongation and flexibility outstanding chemical resistance to attack by...

  • Wacker Elastosil M 4514 Set

    WackerElastosil M 4514 Set

    In stock

    €163,05€134,75

    Condensation-curing, castable, 2-component silicone rubber. Main application: Making cost effective molds, especially for casting various casting resins. very good flowability and self-deaeration low Shore A hardness (approx. 25) excellent tear strength high elongation and flexibility outstanding chemical resistance to attack...

  • Wacker Elastosil M 4514, alleen A component

    WackerElastosil M 4514, only A component

    In stock

    €142,94€118,13

    Condensation-curing, castable, 2-component silicone rubber. Main application: Making cost effective molds, especially for casting various casting resins. very good flowability and self-deaeration low Shore A hardness (approx. 25) excellent tear strength high elongation and flexibility outstanding chemical resistance to attack...

  • Last stock! Wacker Elastosil M 4641

    WackerElastosil M 4641

    In stock

    €599,00€495,04

    The Wacker Elastosil M 4641 is a two-component casting silicone. This silicone cures at room temperature. These silicones are food safe! These silicones are used a lot, especially in prototyping. Because the original can be seen reasonably well in the...

  • Wacker Elastosil M 4642

    WackerElastosil M 4642

    In stock

    €58,29€48,17

    The Wacker Elastosil M 4642 is a two-component casting silicone. This silicone cures at room temperature. These silicones have an outstanding resistance to common casting resins! These silicones are used a lot, especially in prototyping. Special features- very good flow- fast...

  • Wacker Elastosil M 4670

    WackerElastosil M 4670

    In stock

    €57,00€47,11

    Pourable, 2-component silicone, with a Shore A 55 (hard) end result. Very suitable for molds for casting resins such as polyurethane and epoxy.Main application: Making shrink-free molds with excellent reproduction accuracy. This product is intended for the business market. For...

  • siliconesandmore Siliconen Additie Green 30 Set siliconesandmore Siliconen Additie Green 30 Set

    Silicone Addition Green 30 Set

    In stock

    €31,50€26,03

    These relatively hard green silicones are ideal for casting silicone molds that need to be robust so that they don't collapse too quickly. Silicone A Green 30 is an (platinum) addition curing 2-component casting silicone that vulcanises at room temperature....

  • Wacker Siliconen Additie Transparant 15 Normaal Wacker Siliconen Additie Transparant 15 Normaal

    WackerSilicone Addition Transparent 15 Normal

    In stock

    €24,50€20,25

    A high quality 2-component casting silicone. A fairly soft silicone with good tensile strength. Food-safe and skin-friendly.  These silicones are often used in prototyping because the original is visible in the silicone mold. This makes it possible to cut the...

  • Wacker Siliconen Additie Transparant 15 Snel Wacker Siliconen Additie Transparant 15 Snel

    WackerSilicone Addition Transparent 15 Fast

    In stock

    €24,50€20,25

    The Silicone Addition Transparent 15 Fast is a 2-component (poly-addition) pourable silicone which, very rappidly, cures at room temperature to a quite soft but strong rubber silicone. This is a Skin safe and food grade silicone! These silicones are often...

  • Wacker Siliconen Additie Transparant 40 Normaal Wacker Siliconen Additie Transparant 40 Normaal

    WackerSilicone Addition Transparent 40 Normal

    In stock

    €24,50€20,25

    The Silicone Additon Transparant Normal 40 is a 2-component (poly-addition) casting silicone which cures at room temperature to a strong rubber that is relatively hard. The silicones can also be used for food related materials, skin contact projects and even...

  • Wacker Siliconen Additie Transparant 40 Snel Wacker Siliconen Additie Transparant 40 Snel

    WackerSilicone Addition Transparent 40 Fast

    In stock

    €24,50€20,25

    The Silicone Addition Transparent are a very versatile 2-component (Platinum) Poly-addition pourable silicone which cures at room temperature. These silicones are quite liquid and the results provide a very high tensile strength. This is a skin safe and food grade...

  • siliconesandmore Siliconen Additie Yellow 25 Set siliconesandmore Siliconen Additie Yellow 25 Set

    Silicone Addition Yellow 25 Set

    In stock

    €31,50€26,03

    This medium hard silicone can be used as a casting material. Suitable for fragile and detailed master models. Yellow Shore (A) 25 (medium hard) Quite liquid (self-deaerating) Relative / good resistance with respect to acid / aggressive substances Easy to...

  • Dow Corning Siliconen Condensatie DC 3481 R Dow Corning Siliconen Condensatie DC 3481 R

    Dow CorningSilicone Condensation DC 3481 R

    In stock

    €33,50€27,69

    The silicone condensation DC 3481 with + hardener DC 3081 R is a condensation-crosslinking 2-component casting silicone that hardens at room temperature. The silicone has good fluidity, is suitable for the finest details and is characterized by a very high...

  • Wacker Siliconen Elastosil M 4601 A/B Wacker Siliconen Elastosil M 4601 A/B

    WackerSilicone Elastosil M 4601 A/B

    In stock

    €39,95€33,02

    Silicone Elastosil Wacker M 4601 has a good resistance to casting resins (in particular, polyurethane) and low shrinkage. Very suitable for making strong, flexible and non greasy molds. These silicones are ideal for prototyping. Elastosil M 4601 is a two...

High-quality silicone for polyester casting resin

Discover our extensive collection of professional silicones specially developed for use with polyester casting resin. These silicones do not bond with polyester, making them perfect for mold making.

Advantages of our silicone:

  • No adhesion with polyester casting resin - easy release
  • High temperature resistance for optimal results
  • Reasonable lifespan of the molds
  • Easy to use for beginners and professionals
  • Fairly chemically resistant to polyester resins
  • Flexible material for complex shapes

Perfect for creating decorative objects, industrial parts, prototypes, and artistic creations. Its non-stick properties make our silicone ideal for repeated use when casting with polyester resin.

Like epoxy, polyester remains very aggressive towards silicone, so the number of casts that can be made in a mold is limited and depends on the type of polyester, its volume, and the time it remains in the mold.

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