High temperature epoxy system 120 °C SR1710 / SD7820
Each kilo includes 0.73 kg resin + 0.27 kg hardener
High temperature epoxy system specially formulated for oven temperature or autoclave conditions curing. It is used for production of high performance and high temperature resistant parts with outstanding mechanical properties in sectors such as motorsport, aerospace, and many more. It is also used for manufacturing of temperature resistant molds. It has low viscosity allowing fast wetting of reinforcements, and exhibits excellent adhesion properties to all types of fibers.
It is very handy for most demanding applications, with a very long working time (~ 8 hours at 20° C). It can also be used to step up production to higher temperature resistance, as it can be demolded after a relatively low temperature postcuring. Heat treating to resist higher temperatures may very well come as a second step or at a later time. For this reason this system is very useful when we have to work with plugs or molds that do not resist high temperatures. The initial minimum curing before demolding is 12 hrs at 40° C or 6 hrs at 60° C.
Physical properties of SR1710 epoxy resin:
Aspect / colour: Yellowish liquid
Viscosity (m.Pas) at 20 oC / 68 oF: 1950(+-100)
Density at 20 oC / 68 oF: 1.16(+-0.005)
Physical properties of SD7820 hardener:
Aspect / colour: Clear liquid
Viscosity (m.Pas) at 20 oC / 68 oF: 120
Density (g/cm3): 0.96
Mix properties of SR1710 / SD7820 system:
Weight ratio: 100 / 36 g
Volume ratio: 100 / 43 ml
Mix viscosity (m.Pas) at 20 oC / 68 oF: 750
Reactivity of SR1710 / SD7820 system:
Pot life on 500 g mix at 20 oC: 8 h 45'
Exothermic peak on 500 g mix (oC) at 20 oC: > 140 oC / 284 oF
Time to reach exothermic peak at 20 oC / 68 oF: 9 h 30'
Intrastat Number for this product: Epoxy: 39073000, Hardener: 29213091
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