MASTER BOND MICROELECTRONIC APPLICATION SELECTOR GUIDE

Selected Adhesives, Sealants, Coatings, Encapsulants & Potting Compounds Specially Formulated for Microelectronic Applications

Partial Listing Only –— Other Grades Available

I. ADHESIVES/SEALANTS

Electrically Insulating —


Master Bond Grade


Type of System

Mix Ratio
by weight

Viscosity
RT, cps

Set-Up Time
Minutes, RT

Cure Schedule
Temp/Time, °F

Service Temp Range, °F


Applications

EP21

2 part epoxy

100/100

50,000-60,000

60-90

24-48 hrs @ RT
2 hrs @ 200°F

-60 to +250°F

High performance general purpose adhesive/sealant.  Can alter mix ratio to vary toughness and flexibility.

EP21ND

2 part epoxy

100/100

paste

45-60

24-48 hrs @ RT
2 hrs @ 200°F

-60 to +250°F

Non-drip version of EP21.  Excellent physical & electrical properties.  Convenient handling.

EP21TDCHT

2 part epoxy

100/100

100,000-120,000

60-90

48 hrs @ RT
2-3 hrs @ 200°F

-100 to +350°F

High temperature resistant general purpose system.  Excellent adhesion to a wide variety of substrates.

EP21TDC-2

2 part epoxy

33/100

70,000-80,000

75-90

72 hrs @ RT
2-3 hrs @ 200°F

4°K to +250°F

Highly flexible with exceptional thermal and mechanical shock resistance.  Suitable for cryogenic applications.

EP30-1

2 part epoxy

100/25

1,500-1,600

25-30

24-48 hrs @ RT
1-2 hrs @ 200°F

-60 to +250°F

Low viscosity.  Transparent.  Exceptionally low shrinkage.  Superior physical strength & chemical resistance properties.

EP30LTE

2 part epoxy

100/10

15,000-20,000

30-40

24-48 hrs @ RT
2-3 hrs @ 200°F

-60 to +250°F

Remarkably low coefficient of expansion.  Exceptionally low shrinkage.  Very high dimensional stability.

EP33

2 part epoxy

100/70

50,000-60,000

50-60

24-48 hrs @ RT
1-2 hrs @ 200°F

-60 to +450°F

High temperature resistance.  Good physical strength properties & dielectrics.  Can resist high radiation levels.

EP42LV

2 part epoxy

100/40

2,000-2,300

25-35

24-36 hrs @ RT
2-3 hrs @ 200°F

-60 to +300°F

Low viscosity, highly chemically resistant system.  Good bond strength to a wide variety of substrates.

EP65HT-1

2 part epoxy

100/10

60,000-70,000

3-5 min

20-30 min @ RT

-60 to +400°F

Ultra-fast curing, high strength system.  Superb heat resistance.  NASA  low outgassing approved.

EP45HT

2 part epoxy

100/30

40,000-50,000

12-24 hrs

1 hr @ 150°F plus
2-3 hrs @ 300°F

-80 to +500°F

High temperature & chemically resistant structural adhesive & sealant.  MMM-A-132 type III.  Requires heat cure.

Supreme 3HT

1 part epoxy

1 part

120,000-135,000

30-60 sec
@ 300°F

20-30 min @ 250°F 5-10 min @ 300°F

-100 to +350°F

Toughened system.  Superior thermal cycling properties as well as excellent mechanical & thermal shock resistance.

Supreme 10HT

1 part epoxy

1 part

>250,000

3-5 min
@ 300°F

60 min @ 250°F
 45 min @ 300°F

4°K to +400°F

Ultra-high strength (shear & peel), NASA low outgassing approved.  Outstanding toughness & durability.

Supreme 10HTND-2

1 part epoxy

1 part

paste

3-5 min
@ 300°F

60 min @ 250°F
45 min @ 300°F

-100 to +400°F

Non-drip version of Supreme 10HT with similar physical & mechanical properties.   Will not flow when heat cured.

MB297FL

cyanoacrylate

1 part

1,500-
1,800

    45-60 sec                5 min @ RT

humidity dependant

-40 to +250°F

Moderate viscosity, toughened system with superior impact and shock resistance.

MB302

cyanoacrylate

1 part

75-100

    15-20 sec              2-3 min @ RT

humidity dependant

-40 to +250°F

Low viscosity with excellent adhesion to metals, plastics, rubbers and ceramics.

MasterSil 702

1 part silicone

1 part

paste

    30-45 sec            24-48 hrs @ RT

depends on depth of cure & humidity

-75 to +400°F

Non-corrosive type system.  Excellent bond strength.  Superior electrical insulation properties.

MasterSil 711

1 part silicone

1 part

60,000

      3-5 min                 4-6 hrs @ RT

depends on depth of cure & humidity

-75 to +400°F

Exceptionally fast curing, non-corrosive system.  Flowable.  For manufacturing and repair applications.

UV10

UV curable

1 part

300-400

not applicable               5-30 sec

depends on depth of cure & light intensity

-60 to +250°F

Low viscosity general purpose system.  Cures rigid.  Excellent resistance to water and other chemicals.

UV15-7DC

UV curable

1 part

2,500-5,000

10-45 sec plus 15-30 min @ 250°F
depends on depth of cure & light intensity

-60 to +300°F

Dual cure UV.  Will cure in shadowed out areas by adding heat (250°F).  Excellent physical & electrical properties.

UV15-7TK1A

UV curable

1 part

paste

not applicable               5-30 sec

depends on depth of cure & light intensity

-60 to +300°F

Non-drip system. Low shrinkage & good dimensional stability.  Ideal for specialized sealing & bonding applications.

UV15X-5

UV curable

1 part

120,000

not applicable               5-30 sec

depends on depth of cure & light intensity

-80 to +250°F

High flexibility.  Superb thermal cycling properties.  Excellent peel strength and abrasion resistance.

Thermally Conductive/Electrically Insulating —


Master Bond Grade


Type of System

Mix Ratio
by weight

Viscosity
RT, cps

Set-Up Time
Minutes, RT

Cure Schedule
Temp/Time, °F

Service Temp Range, °F


Applications

EP21AO

2 part epoxy

100/100

light paste

45-60

24-48 hrs @ RT
2-3 hrs @ 200°F

-60 to +250°F

High strength, general purpose system.  Widely used for bonding heat sinks.  Convenient handling.

EP21TDC-2AO

2 part epoxy

33/100

paste

90-120

48-72 hrs @ RT
3 hrs @ 200°F

-100 to +250°F

Excellent flexibility.  Superb for bonding substrates with greatly differing coefficients of expansion.

EP21ANHT

2 part epoxy

100/100

paste

60-80

24-48 hrs @ RT
1-2 hrs @ 200°F

-60 to +400°F

High thermal conductivity (22 BTU•in/ft2 •hr•°F at 75°F). Excellent for bonding heat sinks and thermistors.

Supreme 11AOHT

2 part epoxy

100/100

paste

25-50

24-36 hrs @ RT

1 hr @ 200°F

-100 to +400°F

Good heat resistance.  Excellent thermal cycling properties with dissimilar substrates.  Superior insulation properties.

Supreme 3AOHT

1 part epoxy

1 part

paste

1 min
@ 300°F

20-30 min @ 250°F
5-10 min @ 300°F

-100 to +350°F

Rapid curing.  Good mechanical & electrical insulation properties.  Bonds well to dissimilar substrates.

Supreme 10ANHT

1 part epoxy

1 part

paste

5-7 min
@ 300°F

60 min @ 250°F
45 min @ 300°F

-100 to +400°F

High thermally conductivity (22 BTU•in/ft2 •hr•°F at 75°F).  Excellent strength profile.  Superb thermal cycling properties.

FL901AO

1 part epoxy

1 part

film

5-10 min
@ 300°F

1 hr @ 250°F
30-40 min@300°F

-100 to +400°F

Thermally conductive film.  Remarkable strength properties.  Standard size is 2”x6”x3 mils thick.  Other sizes available.

MasterSil 705TC

1 part silicone

1 part

paste

        20-30                24-48 hrs @ RT

depends on depth of cure & humidity

-75 to +400°F

High conductivity (15 BTU•in/ft2 •hr•°F at 75°F).  No-mix system with  high heat resistance and superb flexibility.

Electrically Conductive —


Master Bond Grade

Type of System

Mix Ratio
by weight

Viscosity
RT, cps

Set-Up Time
Minutes, RT

Cure Schedule
Temp/Time, °F

Service Temp Range, °F

Volume Resistivity
ohm-cm


Applications

EP21TDCS

2 part epoxy

100/100

paste

30-40

24-36 hrs @ RT
1-2 hrs @ 200°F

4°K to +275°F

<10-3

High performance, silver filled system (resistance < 1 milli-ohm).  Easy to use.  Excellent physical strength properties.

EP77M-F

2 part epoxy

100/100

paste

5-10

4-6 hrs @ RT

-60 to +250°F

<10-3

Fast setting, silver filled system.  Convenient handling.  Widely used in manufacturing & circuit board repair.

EP21TDCSFL

2 part epoxy

100/100

paste

45-60

24-48 hrs @ RT
2-3 hrs @ 200°F

4°K to +250°F

<10-3

High flexibility version of EP21TDCS.  Very high peel strength.  Cryogenic serviceability.  Easily repairable.

EP76M

2 part epoxy

100/100

paste

45-60

24-48 hrs @ RT
2 hrs @ 200°F

-60 to +250°F

5-10

Easy to use, 1 to 1 type, nickel filled system.  Excellent physical and mechanical strength properties.

Supreme 10HTS

1 part epoxy

1 part

paste

5-7 min
@ 300°F

1 hr @ 250°F
45 min @ 300°F

4°K to +400°F

<10-3

Silver filled.  Wide service temperature range.  NASA low outgassing approved.  Excellent shear & peel strength.

FL901S

1 part epoxy

1 part

film

5-10 min
@ 300°F

1 hr @  250°F
30-40 min @ 300°F

-100 to +400°F

<0.0002

High performance, silver filled film.  Standard size is 2” x 6” x 3 mils thick.  Other sizes and die cuts available.


II. POTTING & ENCAPSULATION SYSTEMS


Master Bond Grade


Type of System

Mix Ratio
by weight

Viscosity
RT, cps

Set-Up Time
Minutes, RT

Cure Schedule
Temp/Time, °F

Service Temp Range, °F


Applications

EP21LV

2 part epoxy

100/100

6,000-8,000

60-90

24-48 hrs @ RT
1-2 hrs @ 200°F

-60 to +250°F

Easy to use.  Excellent physical properties and chemical resistance.  For small and moderate size potting.

EP30

2 part epoxy

100/25

400-500

25-30

18-24 hrs @ RT
1-2 hrs @ 200°F

-60 to +250°F

Optically clear.  Low viscosity.  Superb physical strength & electrical insulation properties.  Minimal shrinkage.

EP30AO

2 part epoxy

100/10

15,000-20,000

30-40

24-36 hrs @ RT
1-2 hr @ 200°F

-60 to +250°F

Thermally conductive, electrically isolating.  Low viscosity.  Good dimensional stability.  Very low shrinkage.

EP30FL

2 part epoxy

100/25

2,000-3,000

25-30

24 hrs @ RT
1-2 hrs @ 200°F

4°K to +250°F

Flexible.  Marvelous thermal shock resistance.  Excellent thermal cycling durability.  Cryogenically serviceable.

EP30HT

2 part epoxy

100/25

35,000-45,000

25-35

24 hrs @ RT
1-2 hrs @ 200°F

-60 to +400°F

High temperature resistance.  Transparent.  Extraordinary physical strength and chemical resistance properties. 

EP30LTE

2 part epoxy

100/10

15,000-20,000

30-40

24-48 hrs @ RT
2-3 hrs @ 200°F

-60 to +250°F

Exceptionally low coefficient of expansion system.  Features very low shrinkage and high dimensional stability.

EP37-3FLFAO

2 part epoxy

100/100

18,000-22,000

3 hrs

4-5 days @ RT
4-6 hrs @ 200°F

4°K to +250°F

Thermally conductive.  Electrically insulating.  High flexibility & low viscosity.  Readily repairable. 

EP41S-4

2 part epoxy

100/25

3,000-4,000

15-20

24 hrs @ RT
1-2 hrs @ 200°F

-60 to +300°F

Superb resistance to chlorinated solvents & acids.  Offers outstanding protection for high security potting applications.

EP3FL

1 part epoxy

1 part

60,000-
70,000

45-60 sec
@ 300°F

20-30 min @ 250°F
5-10 min @ 300°F

4°K to 250°F

Cryogenically serviceable, flexibilized system with outstanding thermal cycling & thermal shock resistance.

EP3RR-1

1 part epoxy

1 part

120,000-
150,000

45-60 sec
@ 300°F

20-30 min @ 230°F
5-10 min @ 300°F

-60 to 400°F

Toughened system with good thermal conductivity & heat resistance. Castable over 1 inch thick.  Excellent flowability.

EP36

1 part epoxy

1 part

semi-solid
melts at 180°F

                         2 hrs @ 300°F
uncured material reusable

-100 to 500°F

Unique B stage system.  Combines superb temperature resistance with high flexibility & elongation.

UV10LV

UV curable

one part

200-250

not applicable              5-30 secs

depends on depth of cure & light intensity

-60 to 250°F

Very low viscosity.  Cures rigid and up to 1/8” deep.  Good electrical properties and chemical resistance.

UV15-7SP4

UV curable

one part

800-1,500

not applicable              5-30 secs

depends on depth of cure & light intensity

-80 to 250°F

Highly flexible & non-yellowing.  Excellent thermal cycling properties.  Superb thermal shock & impact resistance.   

UV15X-2

UV curable

one part

6,000-8,000

not applicable              5-30 secs

depends on depth of cure & light intensity

-80 to 250°F

Semi-flexible.  Will cure over 1/4” deep.  Good electrical & non-yellowing properties.  Superior chemical resistance.

EP30D12

2 part
urethane

100/30

800-1,000

10-15

8-12 hrs @ RT

-60 to 250°F

Flexible, rapid curing, low exotherm.  Superb abrasion resistance.  Unusually superior chemical resistance. 

MasterSil 150

2 part silicone
condensation cure

100/10

12,000-15,000

        3 hrs                 24-48 hrs @ RT

ambient temperature cure only

-75 to +400°F

Cost effective, non-corrosive encapsulant with high flexibility and very low shrinkage during cure.

MasterSil 151

2 part silicone
addition cure

100/10

1,200-1,500

4-5 hrs

24-48 hrs @ RT

2-3 hrs @ 200°F

-75 to +400°F

Optically clear.  Low outgassing.  Will cure at ambient or elevated temperatures.  Also for encapsulation.

III. CONFORMAL COATINGS


Master Bond Grade


Type of System

Mix Ratio
by weight

Viscosity
RT, cps

Set-Up Time
Minutes, RT

Cure Schedule
Temp/Time, °F

Service Temp Range, °F


Applications

EP21LV-1

2 part epoxy

100/100

4,000-6,000

60-90

24-48 hrs @ RT
1-2 hrs @ 200°F

-60 to +250°F

Easy to use by brushing or dip coating.  Excellent physical properties & chemical resistance profile.

EP30LV

2 part epoxy

100/20

200-300

35-40

24-36 hrs @ RT
1-2 hrs @ 200°F

-60 to +250°F

Low viscosity, clear.  Excellent electrical insulation properties &  chemical resistance.  Applied by spraying or flow coating.

EP30DP

2 part epoxy

100/10

3,000-4,000

60-90

48 hrs @ RT
2-3 hrs @ 200°F

4°K to +250°F

Toughened system.  Allows for repairability.  Superb electrical insulation properties.  Applied by dipping or spraying.

EP19HT

1 part epoxy

1 part

600

not applicable

60 min @ 250°F
45 min @ 300°F

-60 to 400°F

Easy to use.  Good mechanical & electrical insulation properties.  Applied by spraying or flow coating.

MasterSil 713

1 part silicone

1 part

3,000

        15-20                18-24 hrs @ RT

depends on depth of cure & humidity

-75 to +400°F

Highly flexible, easily repairable system.  Non corrosive &  fast curing.  Applied by brushing, dip coating or spraying.

MasterSil 773

1 part silicone

1 part

60-70

            5                       2-4 hrs @ RT

depends on humidity

-75 to +400°F

Ultra low viscosity.   Easily applied by spraying, dipping, brushing or flow coating.  Superb humidity & heat resistance.

UV15

UV curable

1 part

120-150

not applicable              5-30 secs

depends on depth of cure & light intensity

-60 to +350°F

Excellent heat & chemical resistance. Post curing by heat enhances properties.  Optional fluorescent dye available.

UV15X-5LV

UV curable

1 part

80,000

not applicable              5-30 secs

depends on depth of cure & light intensity

-80 to +250°F

High flexibility. Superb mechanical & thermal shock resistance.  Best applied by brushing or dip coating.

EP56

water based urethane

1 part

300-400

50-60

12-24 hrs @ RT

-75 to +250°F

Easily processable, low cost system.  Excellent electrical properties.  Best applied by brushing or dip coating.

IV. SPECIALTY SYSTEMS


Master Bond Grade


Type of System

Viscosity
RT, cps

Cure Schedule
Temp/Time, °F

Service Temp Range, °F


Applications

Supreme 3HTND-2GT

1 part epoxy
glob top

paste

5-10 min @ 300°F

-60 to +350°F

Glob top.  Offers superb protection for circuitry & components including fragile ones.  Low ionics.  Available in syringes as well as in a thermally conductive version.

UV15X-2GT

UV curable
glob top

paste

5-30 secs — depends on depth of cure & light intensity

-80 to +250°F

Ultra-fast curing glob top.  Excellent moisture & chemical resistance.  Offers superior durability & superb thermal cycling & shock resistance properties.

Supreme 3HTND-1SM

1 part epoxy surface mount

thixotropic paste

5-10 min @ 300°F

-60 to +350°F

Rapid curing, high strength surface mount adhesive.  Low ionic impurities. “No tailing” application feature.  Also available in thermally & electrically conductive versions.

MB297

cyanoacrylate
wire tacking

2,400

45-60 sec (set-up)
moisture cure

-40 to +250°F

Easy to use, ultra fast curing, high strength wire tack adhesive.  Bonds well to most plastics, metals, rubbers and ceramics. 

UV10TK

UV curable
wire tacking

30,000-40,000

5-30 secs — depends on depth of cure & light intensity

-60 to +300°F

Low shrinkage, rapid curing wire tacking adhesive.  Bonds well to most plastics, metals and glass.  Superior temperature & chemical resistance.

EP3RR-1UF

1 part epoxy underfill

120,000-150,000

20-30 min @ 220-230°F
5-10 min @ 300°F

-60 to +400°F

Epoxy underfill system featuring toughness and rapid curing along with good thermal conductivity and heat resistance.  Excellent flowability.

AC83

acrylic based conductive coating

paste

2-4 hrs @ RT

-60 to +300°F

Graphite filled, solvent based, conductive coating.  Cost effective.  Used for EMI / RFI shielding on most plastics and ceramics.  Shielding effectiveness >40 dB.

X5SC

rubber  based conductive coating

paste

2-4 hrs @ RT

-80 to +250°F

Silver filled, rubber based flexible coating with excellent peel strength and durability.  Shielding effectiveness of >75dB.  High solids content.

LTX117N

latex based conductive coating

flowable

4-6 hrs @ RT

-60 to +250°F

Cost effective, nickel filled, water-based coating with convenient handling properties.  Shielding effectiveness of >60dB.   Bonds well to most substrates.

Master Bond Inc.

Adhesives, Sealants & Coatings • 154 Hobart Street • Hackensack, N.J.  07601 • Tel: 201-343-8983 • Fax: 201-343-2132

Notice:  Master Bond believes the information on the data sheets is reliable and accurate as is technical advice provided by the company.  Master Bond makes no warranties (expressed or implied) regarding the accuracy of the information and assumes no liability regarding the handling and usage of this product.                                                                                                                                                     D079