Food & Skin Safe Silicone Rubber 10kg Kit

Kit consists of 5kg of PART A and 5kg of PART B 


Total kit volume 9.259 Litres


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This rubber is safe for repeated contact with food and has been independently tested to verify compliance with the United States Food & Drug Administration regulation US FDA 21 CFR 177.2600.   

The certificate is available to view as a PDF here 


PART A and PART B are both clear liquids which are odourless and non-toxic. They react to form a translucent beige coloured flexible, elastic material with high tensional and tear strength. It has outstanding release properties, a high chemical resistance and a temperature resistance of 250°C.


The two components mix easily with a simple 1:1 ratio and because of the low viscosity can be used without a vacuum chamber. There is practically no shrinkage (0.1%) and excellent reproduction of fine detail.


The pot life is approximately 8-12 minutes and the cure time is 1-2 hours.


Available in two hardnesses, 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 rubber is suitable for casting a wide range of materials including for use with confectionery, speciality foods and is safe for contact with skin for life castings. Please see below for more details. This rubber is suitable for casting a wide range of materials including for use with confectionery, speciality foods and is safe for contact with skin for life castings. Please see below for more details.


The colour of the cured rubber can be changed with the addition of a colour pigment during the mixing of the two components. We have a range of compatible colour pigments


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


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


 PropertiesUnits
 Soft
 Medium
 Pot Life (25°C)Minutes
8-12
 8-12
Cure Time (25°C)Hours1-2
1-2
Viscosity (25°C)Mpa.s50008000
 Density (25°C)g/cm31.081.08
HardnessShore A1528
 Linear Shrinkage%0.10.1
Tear StrengthKN/m2424
 Elongation at Break%500
450
Tensile StrengthMpa5.5
6.8

SUITABLE FOR USE WITH:

  • Food
  • Sugar craft & confectionery
  • Life casting
  • 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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