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  • 3M™Scotchcast™ Electrical Resin 10
详细介绍

 

3M™Scotchcast™Electrical Resin   10

Product Description

3M™Scotchcast™ Electrical Resin   10 has a thixotropic

(heavy paste) consistency that makes   it useful for

applications requiring a thick   coating. a heavy layer,

applied by spatula, extrusion,   buttering or trowelling, cures

with minimum sagging. The cured   resin exhibits good

physical properties, such as high   thermal and mechanical

shock strength, strong adhesion,   resistance to oil and fuel.

It also exerts little stress on   sensitive components. Typical

applications include filling,   patching, caulking, holding,

spot repairing, lead anchoring and   insulating by buttering

end-turns of motor stator coils.

• Temperature rated Class B (130˚C)

• General purpose, buttering and   holding

• High thermal and mechanical shock   resistance

• Resistance to oil and fuel

Test Methods

1Fed. Std. No. 406, Method 1021

2Fed. Std. No. 406, Method 1011

3Fed. Std. No. 406, Method 1031

4MIL-I-16923E

53M Test Method

6Fed. Std. No. 406, Method 4021

7Fed. Std. No. 406, Method 4041

8Fed. Std. No. 406, Method 4031





3M™Scotchcast™ Electrical Resin   10 Two-Part, Room-Curing, Class B,   Semiflexible, Filled, Thixotropic, Epoxy Liquid Resin

Data Sheet

Typical Properties

*Not recommended for specification   purposes. Product

specifications will be provided upon   request.

Property Value*Property Value*

Color Brown

Specific Gravity (Cured) 1.55

Flammability4 Self-extinguishing

Compressive Strength1 3400 psi

 (10% Compression) (239 kg/cm2)

Tensile Strength2 1500 psi

   (105 kg/cm2)

Elongation2

(% @ break) 15

Flexural Strength3 1000 psi

 (1/2" x 1/2" Sample) (70 kg/cm2)

Electric Strength8 (volts/mil) 350   V/mil

 (1/8" [3.175 mm] Sample) (13.8 kv/mm)

Hardness (Shore D) 70

Thermal Conductivity4 8.2 x 10-4

 (cal · cm/cm2 · sec · °C)

Coefficient of Linear Thermal   Expansion6 8.6 x 10-5

(23° C to 113°C)

 (length/unit length/°C)

Thermal Shock5

 10 cycles - 55°C to 130°C

 1/4" (6.350 mm) Olyphant Inserts Passes

Thermal Shock4 Passes

Boiling Water

% Weight Gain 7 days 2.2

 Hardness Change, Shore D -6

Mechanical Shock4             7.75

 (Ball drop, lbs.) (3.5kg)

Moisture Absorption6

 %Weight gain, 240 hrs. @96 % R.H. .44

Thermal Aging 

 1000 hrs. @130°C

     % Weight Loss 2.0

 Hardness Change, Shore D 15

 Dielectric Constant6

     (100 Hz @ 23°C) 5.3

 Dissipation Factor6

     (100 Hz @ 23 °C) 0.10

 Volume Resistivity7

     (Ohm-cm @ 23°C)1 x 1012

Handling Properties

Mix Ratio (A:B) Wt 1:1

 Vol (%) 48:52

Viscosity A = Paste

@ 23°C (73°F) B = Paste

 Mixed = Paste

Density A = 1.656 kg/l (13.82   lbs/gal)

 B = 1.548 kg/l (12.92 lbs/gal)

Flash Point A = 232°C (450°F)

 B = 238°C (460°F)

Gel Time 30 min. @ 60°C (140°F)

Curing Guide 23°C (75°F) 24-48 hrs

 60°C (140°F)   2 hrs

 95°C (203°F) 1 hr

Handling Properties

Note: These are typical values and   should not be used for

specification purposes.


 

78-8124-5674-3-DPage 2 of 4

Usage Information

Mixing

Mix the separate parts before   removing them from their

containers. Warming to 60ºC (140ºF)   facilitates this

process. (Gel time is approximately   30 minutes @ 60ºC).

Thoroughly mix parts A and B in the   correct proportions.

Note: Mechanical means are   preferable. Small quantities

can be easily mixed on a flat plate   to ensure thorough

blending.) Mix until the color is   uniform or a homogeneous

mixture is achieved.

Deaerating

Scotchcast Resin 10 is so thick that   evacuating entrapped

air is not suggested.

Curing

Where minimum stress and maximum   thermal shock

resistance are required, the ambient   temperature cure cycle

is recommended. If an oven cure is   used, time should

be added to the cure cycle to allow   the resin to reach

the curing temperature. Cure using   cycles shown under

Handling Properties. Where higher   temperatures are not

objectionable and the size of the   casting not excessive, the

resin can be quick-cured in one hour   at 95ºC (203ºF).

Handling and Safety Precautions

Read all Health Hazard,   precautionary and First Aid

statements found in the Material   Safety Data Sheet

(MSDS) and/or product label of   chemicals prior to

handling or use.

TIME IN MINUTES

TE

MP

ER

AT

UR

E °

C

0       30      60        90      100     150       180     21020

40

60

80

100

120

140

160

10

Usage InformationHandling and Safety   Precautions

EXOTHERMIC HEAT RISE

(1 LB. SAMPLE)

Storage

Both parts of this resin system   should be stored at

temperatures between 20 to 30   degrees Celsius, and 30% to

60% relative humidity. When not in   use, containers should

be kept tightly closed. Storage at   conditions outside those

suggested may compromise the   performance of the resin.

 

 

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