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. @ 25C)               12,000

Specific Gravity                                                         1.16

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

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

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

Shelf Life @ 70C                                                     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/C)                                           55x10(-6)          46x10(-6)

Heat Distortion Point                                                                                     110C                160C

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:

  1. Weigh out required amount of Epoxocast EB-501.

  2. 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.

  3. Mix curing agent in thoroughly.

  4. Evacuate for 2-5 minutes if void-free castings are required.

  5. Pour into cavity, mold, etc.

Cure Schedule:

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

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

                                                         Post cure 2-3 hours at 100C.

                           2 lb. masses:      Cure 2-3 hours at 60C.

                                                         Post cure 2-3 hours at 100C.

                           Larger masses:  Cure overnight at room temperature

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

 

 

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