Epoxy Potting Compound/Adhesive

DP270 Clear and Black

- 2 -

Typical Cured

Properties

Note: The following technical information and data should be considered representative

or typical only and should not be used for specification purposes.

Physical:

Color

Refractive Index @ 25°C (77°C)

Cure Shrinkage

Shore D Hardness

(ASTM D-2240)

Tack-free Time

UL Rating

Cure Time

Clear or Black

Clear 1.656

.08%

83

Approx. 3 hrs. @ 23°C (73°F)

94 HB (File No. E61941)

48 hrs. @ 23°C (73°F)

Thermal:

Weight Loss by TGA (in air)

Thermal Coefficient of Expansion by TMA

Below Tg

Above Tg

Glass Transition Temperature by DSC

Onset

Mid-Point

Thermal Conductivity

(@ 110°F on .250" samples)

Cal./sec. - cm - °C

Watt/m - °C

Thermal Shock Resistance

Potted Washer Olyphant Test

3M Test Method C-3174

+100°C (air) to -50°C (liquid)

1% @ 122°C (252°F)

5% @ 175°C (347°F)

10% @ 210°C (410°F)

5-30°C range (10-86°F range)

60-125°C range (140-257°F)

43°C (109°F)

49°C (120°F)

.103

.177

Pass 5 Cycles without cracking

Electrical:

Dielectric Constant

(ASTM D-150)

Dissipation Factor

(ASTM D-150)

Dielectric Strength

(ASTM D-149)

Volume Resistivity

(ASTM D-257)

Insulation Resistance

(.8 mm/.8 mm comb pattern on FR-4)

60°C/96% R.H./100 volts d.c.)

Initial

1000 hrs.

3.5 @ 1 KHz @ 23°C (73°F)

.018 @ 1 KHz @ 23°C (73°F)

850 volts/mil