Resin ER20 – Hardener EH96
ER20 Resin: 1 x 5 kg Bottle
EH96 Hardener: 1 x 1 Kg Bottle
Low viscosity, clear, semi-flexible, tough epoxy laminating resin system for room temperature foundry patterns and master moulds.
Also used as a potting resin for electronic components. Minimum Irritation Potential Hardener.
ER20 – EH96 is used with fiberglass tooling fabrics for laminated moulds, with cotton flocks as a coupling coat behind gelcoats, and mixed with sand or other fillers as a casting or ramming concrete to reinforce patterns and negatives.
EH96 gives a higher HDT after post-curing at 100 C.
Description
Colour:
Resin ER20 : Clear
Hardener EH96: Clear
Mixing Ratio:
ER20 100 parts by weight
EH96 20
Viscosity:
ER20 1200 to 1400 mPa.s at 25 Deg. C
EH96 300 to 500 mPa.s at 25 Deg. C
Density: 1,1
Pot Life: 30 to 40 minutes at 25 Deg. C
Gelation Time: 2 to 3 Hours at 25 Deg. C
(Gelnorm DIN 16945, test tube, 16 mm dia.)
Curing Time: 24 hours at 25 Deg. C or
7 hours at 40 Deg. C
CHARACTERISTICS after CURE
(Approximate)
Tensile strength: 40 – 60 MPa
Elongation at break: 2,5 – 3,5%
Hardness: 65 Shore D after 7 days at 25 Deg. C
Flexural Strength: 80 – 100 MPa
Impact Strength: 40 KJ/m2
Heat Distortion Temperature: 50 Deg. C
(after post-curing @ 70 C) 70 Deg. C
(after post-curing @ 100 C) 100 Deg. C
Dielectric Strength: 18 KV / mm
Dielectric constant: at 23 4,1 – 4,3
The above data are offered for customer’s guidance only. It implies no guarantee. Customers must conduct their own tests to determine the suitability of the material for their specific applications.
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