Polycraft Silicone Catalyst For GP3481 General Purpose Silicone
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Colour: Red - Fast Set,  Size: 100gColour: Red - Fast Set,  Size: 250gColour: Red - Fast Set,  Size: 500gColour: Red - Fast Set,  Size: 1kgColour: Red - Fast Set,  Size: 2kg
Colour: Clear - Fast Set,  Size: 100gColour: Clear - Fast Set,  Size: 250gColour: Clear - Fast Set,  Size: 500gColour: Clear - Fast Set,  Size: 1kgColour: Clear - Fast Set,  Size: 2kg
Colour: Green - Very Fast Set,  Size: 100gColour: Green - Very Fast Set,  Size: 250gColour: Green - Very Fast Set,  Size: 500gColour: Green - Very Fast Set,  Size: 1kgColour: Green - Very Fast Set,  Size: 2kg

Polycraft Silicone Catalyst For GP3481 General Purpose Silicone


Price:  £10.00(Inc. 20% VAT)(£8.33 Exc. VAT)Earn 10 Loyalty Points
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Quick Link Code:  QL3581 Brand:  Polycraft
This silicone catalyst is designed for use with our general purpose rtv silicone GP-3481 base. 
  • Red silicone catalyst is by far the most popular catalyst to use with the GP-3481-F silicone, it gives great air release with longer working and demould times.
  • Clear catalyst is used when pigments are required, when mixing pigments into a white silicone base it can result in lighter shades of the colour intended. e.g black pigment will become grey / dark grey.
  • Green silicone catalyst is used when time is off importance, it will cure a lot quicker roughly in half the time, but this will not give as good of air release as the red fast set catalyst.

NOTE - When using clear catalyst, best to double mix the silicone and catalyst because it is very hard to see if the catalyst has fully mixed through, so a double mix is advised.

Information below is suitable for GP-3481-F silicone base only.

 Red Fast Catalyst Clear Fast Catalyst  Green Very Fast Catalyst
 Mix Ratio 10 : 1 10 : 1 10 : 1
 Working Time 40 - 60 Minutes 40 - 60 Minutes 20 - 30 Minutes
 Curing Times 6 - 8 Hours @ 25°  6 - 8 Hours @ 25° 2 - 4 Hours @ 25°
 Cured Colour Light PinkWhiteLight Green 
 De-Mould Time 12 - 24 Hours 12 - 24 Hours 6 - 8 Hours
 Mixed Viscosity mPas 18000 18000 18000
 Hardness Shore A 27 27 27
 Tensile Strength Mpa 3.0 3.0 3.0
 Elongation @ Break % 520 520 520
 Tear Strength kN/m 23 23 23
 Linear Shrinkage 0.2-0.5 0.2-0.5 0.2-0.5
 

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