MASTER BOND CONFORMAL COATING APPLICATION SELECTOR GUIDE
Selected Products Specially Formulated for High Performance Protection of Electronic Assemblies and Devices
Partial Listing Only –— Other Grades Available
Conformal coatings are essential materials for enhancing the long term reliability and performance of electronic assemblies, particularly when exposed to harsh conditions such as high humidity, corrosive chemicals and extreme temperatures. Master Bond Inc. offers a complete line of conformal coatings that are easy to apply and provide superior protection for printed circuitry. These conformal coatings include very fast, one part, UV curing formulations, one and two part epoxies, one and two part silicones and a unique, cost effective latex system. These coatings can be applied by spraying, dipping, flow coating and other conventional processing techniques. Master Bond Inc. will be glad to recommend specific products for your particular application.
| Two Component Epoxies — |
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Mix Ratio |
Viscosity |
Set-Up Time
|
Cure Schedule |
Service Temp Range, °F |
|
| EP21LV-1 |
“A” clear |
100/100 |
4,000-6,000 |
60-90 |
24-48 hrs @ RT |
-60 to +250°F |
Excellent physical properties & chemical resistance profile. Offers convenient mix ratio and working life. Easy to apply by brushing or dip coating. |
| EP21LSCL |
“A” clear |
100/60 |
1,000-1,500 |
30-35 |
24 hrs @ RT |
-65 to +250°F |
Transparent, non-yellowing coating. Good electrical insulation properties. For optical, opto-electronic and display applications. Sprayable. |
| EP30-4 |
“A” clear |
100/50 |
2,000 |
4-10 |
8-12 hrs @ RT |
-60 to +250°F |
Transparent. Very fast curing. Low viscosity. Excellent electrical insulation and non-yellowing properties. Applied by spraying or flow coating. |
| EP30AO |
“A” off white |
100/10 |
15,000-20,000 |
30-40 |
24-36 hrs @ RT |
-60 to +250°F |
Low viscosity, thermally conductive coating. Excellent electrical insulation properties. Superior dimensional stability. Applied by brushing or dip coating. |
| EP30DP |
“A” light amber |
100/10 |
3,000-4,000 |
60-90 |
48 hrs @ RT |
4°K to +250°F |
Toughened system. Offers repairability. Superb electrical insulation properties. Applied by brushing, dipping or spraying. |
| EP30FL |
“A” amber |
100/25 |
2,000-3,000 |
25-30 |
24 hrs @ RT |
4°K to +250°F |
Low viscosity. Flexible. For high performance coating. Applied by spraying or dipping. Superior thermal and mechanical shock resistance. Cryogenically serviceable. |
| EP30HT |
“A” clear |
100/25 |
35,000-45,000 |
25-35 |
24 hrs @ RT |
-60 to +400°F |
High temperature resistant coating. Outstanding chemical resistance. Excellent optical transmission properties. Easily applied by brushing or dipping. |
| EP30LV |
“A” clear |
100/20 |
200-300 |
35-40 |
24-36 hrs @ RT |
-60 to +250°F |
Low viscosity, clear. Excellent electrical insulation properties & chemical resistance. Applied by spraying or flow coating. |
| EP37-3FLF |
“A” clear |
100/100 |
1,500-1,800 |
120-150 |
48-72 hrs @ RT |
4°K to +250°F |
Highly flexible system. Outstanding resistance to thermal cycling. Offers repairability. Excellent optical properties. Applied by dipping or spraying. |
| EP41S-4 |
“A” black |
100/25 |
3,000-4,000 |
15-20 |
24 hrs @ RT |
-60 to +300°F |
Special high security coating with outstanding resistance to organic solvents and acids. Easily applied by brushing, flow coating or dipping. |
| EP62-1 |
“A” clear |
100/5 or |
8,000-10,000 |
8-10 hrs |
4-6 hrs @ 150°F or |
-60 to +300°F |
High temperature, high chemical resistance. Long working life at room temperature. Applied by brushing or dip coating. Requires heat cure at 150-200°F. |
| One Component Epoxies — |
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Storage Stability, RT |
Viscosity |
Cure Schedule |
Service Temp Range, °F |
|
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| EP3FL |
yellow to |
3 months@75°F |
60,000-70,000 |
5-10 min @ 300°F |
4°K to +250°F |
Toughened coating. Good electrical properties. Outstanding thermal cycling and thermal shock resistance. Cryogenically serviceable. Easily applied by dip coating or brushing. |
|
| EP19HT |
amber |
4 months |
600 |
60 min @ 250°F |
-60 to +400°F |
Low viscosity. Good mechanical & electrical insulation properties. Superior chemical resistance. Applied by spraying or flow coating. |
|
| EP101HTX-3 |
clear with fluorescent |
6 weeks |
1,000-1,500 |
2-6 hrs @ 250°F followed by |
-60 to +500°F |
Unsurpassed dielectric properties. Very low dissipation factor. Excellent temperature resistance. Superb optical clarity. Used in high voltage applications. Easily applied by spraying or flow coating. |
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| UV Curable Systems — |
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Viscosity |
Set-Up Time
|
Cure Schedule |
Service Temp Range, °F |
|
| UV10LV |
light amber |
200 |
not applicable 5-30 secs depends on depth of cure & light intensity |
-60 to +250°F |
Ultra-low viscosity coating. Wickable. Outstanding electrical properties. Ideal for specialized conformal coatings. Sprayable. |
|
| UV15 |
slight amber |
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. Sprayable. |
|
| UV15-7 |
transparent |
1,400-1,800 |
not applicable 5-30 secs depends on depth of cure & light intensity |
-60 to +300°F |
Superb non-yellowing properties. Outstanding physical strength and electrical insulation profile. Applied by spraying or flow coating. |
|
| UV15-7SP4 |
transparent |
800-1,500 |
not applicable 5-30 secs depends on depth of cure & light intensity |
-80 to +250°F |
Highly flexible. Excellent non-yellowing properties. Great thermal shock & impact resistance. Superb thermal cycling capabilities. |
|
| UV15X-5LV |
transparent |
80,000 |
not applicable 5-30 secs depends on depth of cure & light intensity |
-80 to +250°F |
High flexibility. Outstanding abrasion resistance. Superb mechanical & thermal shock resistance. Best applied by brushing or dip coating. |
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| Specialty Systems — |
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Mix Ratio |
Viscosity |
Set-Up Time
|
Cure Schedule |
Service Temp Range, °F |
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| 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. Superb humidity & heat resistance. Applied by spraying, dipping, brushing or flow coating. |
|
| MasterSil 151 |
2 part silicone |
100/10 |
1,200-1,500 |
4-5 hrs |
24-48 hrs @ RT |
-75 to +400 |
Addition type curing system. Optically clear. Low outgassing. Cures at ambient or elevated temperatures. |
| 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. |
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 are 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