Product Description
CONATHANE® EN-2553 is a two-component, filled, flame-retardant polyurethane potting system.
Features and benefits of CONATHANE® EN-2553
- UL RTI 120
- UL94 V-0
- Low stress cure for protection of sensitive components
- Excellent thermal shock resistance
Application of CONATHANE® EN-2553
Potting and encapsulation of electronic components, modules, circuit boards, assemblies and related devices.
Application / Curing Schedule
- Mixing: Mix EN-2553 Part A and Part B in the specified ratio until homogeneous.
- Preheating: Components may be preheated up to 60°C if a reduction in viscosity is required.
- Degassing: If hand-mixing, degas the mixture under a vacuum of >27 in. Hg before use.
Curing Options:
- Option 1: Cure for 7 days at 25°C / 77°F
- Option 2: Cure for 16 hours at 80°C / 176°F
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About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
Typical Properties of Material as Supplied
|
Property |
Conditions |
Value |
|
|
|
|
CONATHANE® EN-2553 Part A Urethane Prepolymer |
CONATHANE® EN-2553 Part B Curative |
|
Viscosity |
25°C / 77°F |
300 cP |
8,500 cP |
|
Specific Gravity |
25°C / 77°F |
1.24 |
1.49 |
|
Color |
|
Brown |
Black or Blue |
|
Mix Ratio |
Parts by weight Parts by volume |
17 20 |
100 100 |
Typical Properties of Mixed Materials
|
Property |
Conditions |
Value |
Units |
|
Viscosity (initial) |
25°C / 77°F |
4,500 |
cP |
|
Work Life |
25°C / 77°F |
55 |
minutes |
Typical Physical Properties
|
Property |
Test Method |
Conditions |
Value |
Units |
|
Color |
Visual |
25°C / 77°F |
Black or Blue |
|
|
Shore Hardness |
ASTM D2240 |
25°C / 77°F |
A 95 |
|
|
Tensile Strength |
ASTM D412 |
25°C / 77°F |
1,050 |
psi |
|
Ultimate Elongation |
ASTM D412 |
25°C / 77°F |
60 |
% |
|
Tear Strength |
ASTM D624 |
25°C / 77°F |
140 |
pli |
|
Flammability |
UL94 |
3.0 mm |
V-0 |
|
