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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