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Silicone rubber KDSV M4470, heat resistant (set of 2 comp.)

 
 

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Description

2 component, pourable, condensation-curing, flexible cast mould mass for replicas using low-melting metal alloys (tin, lead)

Mixing ratio: 100 : 2 parts by weight silicone : catalyst 40
Processing time: 40 minutes
Demouldable after:
3–4 h at 23 °C

Mixing ratio: 100 : 3
parts by weight silicone : catalyst 40
Processing time: 20 minutes
Demouldable after:
2–3 h at 23 °C

Heat resistance:
up to 300 °C
Mixing viscosity
(23 °C, before catalysing): 10 000 mPa·s (= pourable)

No heat of reaction occurs during vulcanization so that even larger quantities (e.g. 10 kg) can be poured without the risk of overheating.

Colour: Reddish-brown
Dyeing: R&G Universal Color Pastes (colour differs because of the basic colour of the silicone)
Density: 1.4 g/cm³
Shore A hardness: 60
Elongation at break: 120 %
Tear strength: >4 N/mm
Linear shrinkage as per 7d/RT: 0.8 %

Silicone rubber KDSV M4470 is particularly suitable for moulding applications in which high elongation and tear strength can be sacrificed in favour of excellent deformation resistance and thermal stability, e.g., for making moulds of models with no or only minor undercuts if good heat dissipation and high rigidity are required.

Typical applications are moulds with

  • High rigidity for foaming resins (for foaming polyurethanes, it is advisable to use a barrier coat)
  • High swelling resistance to components of casting resins, such as styrene in the case of polyesters
  • High thermal stability and heat dissipation for casting low-melting metal alloys (melting point: max. 300 °C)

New: We now supply small packages up to approx. 1kg with a dosing pipette.*

* In general, we recommend a dosing pipette for exact dosing of smaller quantities, and a dosing syringe for a little larger quantities.

 

Shore-Hardness and processing information

Casting techniques + silicone moulding 1 (only in German)



Casting techniques + silicone moulding 2 (only in German)



Processing of the R&G Silicone KDSV

 

Selection Guide Silicones (german)

Variant Selection

Silicone rubber KDSV M 4470 + Catalyst 40, kit/ 260 g

(250 g comp. A + 10 g comp. B, with dispensing pipette)
Only 4 left in stock, more on the way  (delivery time 1-2 days) Order no.: 4151200-P
17,42 € (Base Price 67,00 € /  kg)

Scaled Price

  • From Qty 2: 10,0%
  • From Qty 5: 15,0%

Silicone rubber KDSV M 4470 + Catalyst 40, kit/ 1.05 kg

(1 kg comp. A + 50 g comp. B, with dispensing pipette)
Short delivery time Order no.: 4151201-P
46,87 € (Base Price 44,64 € /  kg)

Scaled Price

  • From Qty 2: 10,0%
  • From Qty 6: 15,0%
  • From Qty 12: 20,0%

Silicone rubber KDSV M 4470 + Catalyst 40, kit/ 5.2 kg

(5 kg comp. A + 200 g comp. B, with dispensing pipette)
Only 3 left in stock, more on the way  (delivery time 1-2 days) Order no.: 4151202-P
201,97 € (Base Price 36,72 € /  kg)

Scaled Price

  • From Qty 2: 10,0%
  • From Qty 5: 15,0%
  • From Qty 10: 20,0%

all Prices  price incl. VAT, possibly plus shipping

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