Choice of the rubber, the first step towards a quality result.

In these table the characteristichs of our mould such as hardness,  vulcanization temperature, compatible casting materials  are reported

Silicone rubber vulcanizing at 180 °C 

Compound

Characteristics

Use

White
 Immagine1

durezza 70-71 Sh

Immagine8 180°C/356°F

Very rigid compound, ideal for flat or massive pieces
Particularly limited shrinkage
Suitable for zinc or tin alloys

Pink
 Immagine2

durezza 65-66 Sh

Immagine8 180°C/356°F

Rigid compound, ideal for models featuring little undercuts
Moderate shrinkage
Suitable for zinc or tin alloys

Yellow 65R
Immagine3

durezza 64-65 Sh

Immagine8 180°C/356°F

Semi-rigid  compound
Ideal for models with little undercuts.
Moderate shrinkage
Suitable for zinc or tin alloys

Light blue
 Immagine4

durezza 61-62 Sh

Immagine8 180°C/356°F

Middle flexible compound
Thanks to its very high versatility, it is largely used by customers
Suitable for zinc or tin alloys

Yellow
Immagine3

durezza 59-60 Sh

Immagine8 180°C/356°F

Very elastic compound
ideal for objects hard to extract
Suitable for zinc or tin alloys and resins 

Blue
 Immagine5

durezza 57-58 Sh

Immagine8 180°C/356°F

 Very flexible compound, ideal for models with undercuts. 
Suitable for zinc or tin alloys and resins

Red
Immagine6

durezza 55-56 Sh

Immagine8 180°C/356°F

Very soft compound, ideal for models with significant undercuts.
Suitable for zinc or tin alloys and resin.

 

Fuchsia
Immagine7 

durezza 48-49 Sh

Immagine8 180°C/356°F

Extremely elastic compound
Exceptional to easily remove objects with multiple undercuts
Suitable to cast tin alloys, resins and micro-casting wax

 

Silicone rubber vulcanizing at 90 °C

 

Compound

Characteristics

Use

White Mz
 Immagine1

durezza 56-57 Sh

Immagine8 90°C/164°F

Semi-rigid  compound
Ideal for models with little undercuts.
Moderate shrinkage
Suitable for zinc or tin alloys.

Hazel Mz
 nocciola

durezza 47-48 Sh

Immagine8 90°C/194°F

Very soft and elastic compound, little shrinkage
Ideal for models with significant undercuts
Suitable for zinc or tin alloys.

Transparent Lx
Immagine1

durezza 36-37 Sh

Immagine8 90°C/194°F

Extremely soft compound, little shrinkage,
Ideal to extract zinc or tin alloy or resin castings.

durezza *Hardness measured in shore

Immagine8 *Vulcanization temperature in  Centigrade and Fahrenheit