DP-270-BLACK 3M, DP-270-BLACK Datasheet - Page 4

• Manufacturer Part Number: DP-270-BLACK
• Description: Adhesive; Epoxy Potting Compound; Black
• Manufacturer: 3M
• Type: Potting Compoundr

Specifications of DP-270-BLACK

• Chemical Component: Carbon Black/Epoxy Resin/Hydrocarbon Resin
• Chemical System: Epoxy Potting Compound
• Color: Black
• Dispensing Method: Syringe
• Primary Type: Adhesive
• Special Features: Non-Corrosive
• Time, Drying: Air Dry for 15 minutes, Force Dry for 10 minutes @ 66 °C +⁄- 5 °C (Aluminum Surface), If 3M™ Scotch-Weld™ Structural Adhesive Primer EC1945 B⁄A is Used, Apply a Thin Coating (0.5 mils) on the Metal Surfaces to be Bonded, Air Dry for 10 minutes, then Cure
• Time, Setting: 15 min. (Aluminum), 10 min. (Steel)
• Weight: 1.7 fl.oz.
• Lead Free Status / Rohs Status: RoHS Compliant part Hazardous Materials

Scotch-Weld
Epoxy Potting Compound/Adhesive
DP270 Clear and Black
Typical Cured
Properties
TM
Note: The following technical information and data should be considered representative
Physical:
Thermal:
Electrical:
Color
Refractive Index @ 25°C (77°C)
Cure Shrinkage
Shore D Hardness
(ASTM D-2240)
Tack-free Time
UL Rating
Cure Time
Weight Loss by TGA (in air)
Thermal Coefficient of Expansion by TMA
Glass Transition Temperature by DSC
Thermal Conductivity
Thermal Shock Resistance
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.)
(@ 110°F on .250" samples)
or typical only and should not be used for specification purposes.
Below Tg
Above Tg
Onset
Mid-Point
BTU - ft./ft.
Cal./sec. - cm - °C
Watt/m - °C
Potted Washer Olyphant Test
3M Test Method C-3174
+100°C (air) to -50°C (liquid)
Initial
1000 hrs.
2
- hr. - °F
- 2 -
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)
1% @ 122°C (252°F)
5% @ 175°C (347°F)
10% @ 210°C (410°F)
80 x 10
180 x 10
43°C (109°F)
49°C (120°F)
.103
.426 x 10
.177
Pass 5 Cycles without cracking
3.5 @ 1 KHz @ 23°C (73°F)
.018 @ 1 KHz @ 23°C (73°F)
850 volts/mil
4.1 x 10
3 x 10
2 x 10
5-30°C range (10-86°F range)
60-125°C range (140-257°F)
13
11
-6
14
ohms
ohms
-6
3
units/unit/°C
ohm-cm
units/unit/°C