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Silicone Catalyst For GP-3481 General Purpose Silicone

Silicone Catalyst For GP-3481 General Purpose Silicone
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Our Price:  £6.00(Inc. 20% VAT)(£5.00 Exc. VAT)Earn 6 Loyalty Points
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Quick Link Code:  3581
Brand:  Polycraft

*Image(s) For Illustration Purpose Only


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 Pink White Light 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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