1-2-1 Easy Mould 5kg kit

Kit consists of 2.5kg of PART A and 2.5kg of PART B 


Total kit volume 4.629 Litres


PART A and PART B are both clear liquids which are odourless and non-toxic. The two components mix easily with a simple 1:1 ratio and because of the low viscosity can be used without a vacuum chamber. They react to form a translucent beige coloured flexible, elastic material with high tensional and tear strength. 


There is practically no shrinkage (0.1%) and excellent reproduction of fine detail. Being an addition/platinum cured rubber its chemical and heat resistance (250°C) properties are superior to tin/condensation cure rubbers translating into a longer mould life. 


The pot life is approximately 8-12 minutes and the cure time is 1-2 hours for the medium and soft versions. The extra soft version has a pot life of 10-20 minutes with a cure time of 2-4 hours.


This rubber is suitable for casting a wide range of materials please see below for more details. 


Available in three hardnesses, extra soft, soft and medium. The soft is better suited to moulding delicate, fragile items where the rubber needs to be soft and flexible enough to peel off without damaging the casting. The medium is suitable for the majority of cases.


This product is not suitable for use with food. For a suitable product please click here

It may cause skin irritation making this product unsuitable for applying directly to human skin for life casting. For a suitable product please click here

The maximum operating temperature is 250°C. For a high temperature rubber click here


For creating a two part mould or moulding a glass object a release agent is required click here


Can be pigmented to a wide range of colours click here


It can be softened to your own requirements using this softening additive click here


Can be made thixotropic for applying to vertical surfaces or to over head objects click here


 PropertiesUnits
Extra Soft
 Soft
 Medium
 Pot Life (25°C)Minutes
10-20
8-12
 8-12
Cure Time (25°C)Hours2-4
1-2
1-2
Viscosity (25°C)Mpa.s3000
50008000
 Density (25°C)g/cm31.08
1.081.08
HardnessShore A5
1528
 Linear Shrinkage%0.1
0.10.1
Tear StrengthKN/m13
2424
 Elongation at Break%500
500
450
Tensile StrengthMpa2.8
5.5
6.8


pdf-image-white.jpg Technical Data Sheet  pdf-image-white.jpg Safety Data Sheet Part A  pdf-image-white.jpg Safety Data Sheet Part B


SUITABLE FOR USE WITH:

  • Polyurethane resin
  • Epoxy resin
  • Polyester resin
  • Acrylic resin
  • Plastisol (PVC)
  • Plaster
  • Cement
  • Polymer clays
  • Waxes
  • Soaps
  • Metals with a pouring temperature below 250°C


*CURE INHIBITION*

Great care must be taken when handling and mixing all addition-cured silicone elastomer systems. All the mixing tools (vessels and spatulas) should be clean and constructed in materials which do not interfere with the curing mechanism. The cure of the rubber can be inhibited by the presence of compounds of nitrogen, sulphur, phosphorus and arsenic; organotin catalysts and PVC stabilisers; epoxy resin catalysts and even contact with materials containing these substances e.g. moulding clays, sulphur vulcanised rubbers, condensation cure silicone rubbers, onion and garlic.

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