Epoxy system SR Surf Clear EVO / SD EVO with medium hardener for translucent laminates
Each kilo includes 0.72 kg resin + 0.28 kg hardener
Surf Clear epoxy system is specially formulated for the manufacturing of wind-surf boards and surf boards. It is adapted for hand lay up of carbon, aramid, glass and HMP fabrics and is compatible with all core materials and foams.
Very good UV stability
Hardening without tack
Transparency of laminates
SR Surf Clear EVO resin characteristics:
- Very tough epoxy resin with high thermo-mechanical performance. Recommended for high performance wave and slalom wind surf boards and sandwich (or not sandwich for wave riding surf) construction.
- Creates ultra light composite parts with high mechanical resistance and UV stability.
- For surface preparation / plug finishing, high-gloss requirements.
- Other applications: Jewellery, coating of coloured patterns, prototypes.
Instructions for application:
Work in a clean environment with heating facility.
Working temperature: 20 oC minimum, 35-40 oC maximum.
Maintain a constant temperature during lamination.
Avoid high ambient humidity (< 70%).
Avoid exposure to UV during cure. Laminates and coatings have a polymerization cycle of 14 days at 25 oC. Post curing offers greater UV resistance.
Do not wet sand laminates or coatings before 4 days at 25 oC.
Do not dilute with acetone, ester or alcohol based solvents.
Keep packaging well sealed as hardener is sensitive to carbonic gas and humidity.
A polyurethane paint finish can be applied without primer after sanding the final layer of resin.
Wait before post-curing: 24 hours. Minimum cure: 12 hours 40 oC. Optimum cure: 8 hours 60 oC
Physical properties of SR Surf Clear EVO epoxy resin:
Appearance / colour: Light purple liquid
Viscosity (mPa.s) at 20 oC: 2925 ± 575
Density (g/cm3) at 20 oC: 1,1817
Physical properties of SD EVO medium hardener:
Appearance / colour: Light yellow liquid
Viscosity (mPa.s) at 20 oC: 120 ± 25
Density (g/cm3) at 20 oC: 0.992
Mix properties of SR Surf Clear EVO / SD EVO medium system:
Mix viscosities (mPa.s) at 20 oC: 1570
Mixing ratio by weight: 100 g / 39 g
Mixing ratio by volume: 100 ml / 50 ml (2 / 1)
Reactivity of SR Surf Clear EVO / SD EVO medium system:
Pot life of 150 g mix at 20 oC: 10'
Exothermic peak time of 150 g mix at 20 oC: 18'
Exothermic temperature (°C) of 150 g mix at 20 oC: 228
Intrastat Number for this product: Epoxy: 39073000, Hardener: 29213091
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