Epoxy Casting Resin + Hardener "water-clear PLUS" (240 min), set of two components
Two-component clear, colourless epoxy system for thicknesses of approx. 50 mm.
- Exceptionally good UV resistance
- Highly transparent, low yellow tint (resin colour number 2 according to Gardner)
- Polishable, hard surfaces
- Very good impact strength
- Lowest shrinkage for low-stress castings
- Completely tack-free curing
- Colourable with R&G universal colour pastes, transparent colours and dry pigments of all kinds
Epoxy Casting Resin "water-clear PLUS" was specially developed for casting resin applications such as "river tables". The system can be used in very high layer thicknesses. For larger volumes - such as the usual layer thicknesses of 50 mm and more in the manufacture of table tops - we recommend 2 castings at intervals of approx. 12 hours. This avoids overheating caused by reaction heat (exothermic).
The casting system can be demoulded after approx. 24 hours and has a glass transition temperature (heat resistance) of 56 °C.
The shrinkage during hardening is very low and the castings are therefore largely stress-free and dimensionally stable. The resistance to yellowing (UV resistance) is exceptionally high.
Pot life: approx. 240 minutes
100 : 38 parts by weight of resin to hardener
Curing time: approx. 24
Temperature at curing: min. 16 °C
The following influences have an effect on the curing time:
Temperature - both of the resin and of the mould and environment. The air temperature is not the only decisive factor, as the surfaces in contact with the medium are often much colder.
Casting thickness - the system is designed for larger coating thicknesses. The exothermic is very low, which is desirable and necessary in this case. However, lower layer thicknesses also lead to a longer curing time. Large thicknesses of 50 mm and more can - depending on the amount of poured resin - overheat and should be poured twice.
Pigments can have a slightly accelerating or retarding effect on the curing process. This can only be determined by tests.
Epoxy resins harden - if they are not post heat cured - about one week after curing. Only then is full hardness and heat resistance reached.
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