Epoxocast EB 501

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Clear Casting Epoxy.

Description:

Epoxocast EB-501 is a clear, unfilled epoxy with moderate viscosity for general purpose casting and impregnation, exhibiting excellent electrical and physical properties.

Properties - Uncured:- Epoxocast EB501 Epoxocure 9 Epoxocure 11

Color, visual Clear-Slightly Amber

Viscosity ASTM-D-2393 (c.p.s. @ 25ºC) 12,000

Specific Gravity 1.16

Mix Ratio (weight) --- 100: 14 100: 19

Mixed Viscosity ASTM-D-2393 (c.p.s. @ 25ºC) --- 3,000 cps 4,000 cps

Pot Life @ 25ºC (100 grams) --- 30 Minutes 5 Hours

Shelf Life @ 70ºC 12 months

Properties - Cured:-

Physical:

Hardness, ASTM-D-2240 (Durometer) Shore D 90 Shore D 92

Tensile Strength, ASTM-D-638 11,500 psi 10,000 psi

Tensile Elongation, ASTM-D-638 3.0% 5.0%

Compressive Strength, ASTM-D-695 16,000 psi 17,000 psi

Flexural Strength, ASTM-D-790 18,000 psi 20,000 psi

Coefficient of Thermal Expansion (cm/cm/ºC) 55x10(-6) 46x10(-6)

Heat Distortion Point 110ºC 160ºC

Electrical:

Dielectric Strength, ASTM-D-149 (volts/mil) 450 470

Dielectric Constant, ASTM-D-150 3.9 4.0

Dissipation Factor, ASTM-D-150 0.036 0.032

Volume Resistivity, ASTM-D-257 (ohm-cm) 6x10(15) 12x10(15)

Mixing Instructions:

Weigh out required amount of Epoxocast EB-501.
Weigh out required amount of Epoxocast EB-501, and weigh into it 14 parts Epoxocure 9 per 100 parts Epoxocast EB-502; or 19 parts Epoxocure 11 per 100 parts Epoxocast EB-502.
Mix curing agent in thoroughly.
Evacuate for 2-5 minutes if void-free castings are required.
Pour into cavity, mold, etc.

Cure Schedule:

Epoxocure 9 – At room temperature for 4-8 hours. Full properties after 24 hours.

Epoxocure 11 - ½ lb. masses: Cure2-3 hours at 70ºC.

Post cure 2-3 hours at 100ºC.

2 lb. masses: Cure 2-3 hours at 60ºC.

Post cure 2-3 hours at 100ºC.

Larger masses: Cure overnight at room temperature

Post cure 2-3 hours at 75ºC; or 1 hour at 100ºC.