PU Hard Potting Compound
₹650.00 Original price was: ₹650.00.₹300.00Current price is: ₹300.00.10 Kg Set
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Balanced Hardness with Slight Flexibility – Cures to a tough semi-rigid layer that protects components while absorbing limited stress to avoid cracking like rigid epoxy.
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Excellent Shock and Impact Resistance – Withstands drops, impacts, and handling, preventing PCB and component damage.
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Superior Moisture and Chemical Protection – Creates a barrier against humidity, salt mist, oils, and industrial chemicals for long-term field reliability.
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Good Thermal Stability – Performs across wide temperature variations and repeated heating/cooling cycles without becoming brittle.
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Strong Adhesion to Plastics and Metals – Bonds firmly to PCB substrates, housings, and metallic parts, preventing delamination over time.
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Better Reworkability Compared to Epoxy – Can be cut, drilled, or partially removed for servicing, unlike rigid epoxy systems.
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Maintains Strong Electrical Insulation Over Time – High dielectric strength prevents short circuits, arcing, and breakdown even in humid conditions.
100 in stock
PRODUCT DESCRIPTION
| Brand Name | EPOMAX® |
| Brand Ownership | Owned by JAIPRABHA POLYMER TECHNOLOGIES |
| Nature of Business | Manufacturer of modified epoxy resin, hardener & polyurethane chemicals |
Polyurethane Hard Potting Compound is a two-component, semi-rigid encapsulation resin designed to protect electronic assemblies exposed to harsh environments. After curing, it forms a tough protective layer with controlled hardness, offering strong mechanical, moisture, and chemical resistance while maintaining slight flexibility to prevent cracking under thermal or vibration stress.
This compound provides excellent bonding to plastics, metals, and PCB substrates, ensuring reliable long-term sealing for outdoor, automotive, marine, and industrial electronics. It delivers high dielectric strength, stable insulation, and dependable thermal performance, making it ideal for power electronics, sensors, LED drivers, battery systems, and control modules. The formulation also supports easier servicing compared to rigid epoxy, offering an optimal balance of durability and maintainability.
TECHNICAL SPECIFICATION
Product Name Polyurethane Potting Compound
Manufacturer Jaiprabha Polymer Technologies
Brand EPOMAX ®
Packaging Size 10 Kgs
Features – PART A: Clear Resin – Excellent Protection, Strong Adhesion, Electrical Insulation, Thermal Stability, Chemical Resistance, Mechanical Strength, Vibration and Impact Resistance, Corrosion Prevention, Long-Term Durability, Versatile Applications.
Features – PART B: Brown Hardener – Fast-curing, Chemical-resistant, Thermally-stable, Adhesive, Insulating, Durable, Versatile.
Application PART A:- Polyurethane Hard potting compounds provide strong mechanical protection with slight flexibility, preventing cracks under stress. They offer excellent thermal stability, chemical resistance, electrical insulation, and moisture protection, making them ideal for transformers, sensors, and automotive electronics that require durable, long-lasting encapsulation.
Application PART B:- The polyurethane hardener plays a key role in the potting process by initiating the curing reaction with the resin to form a solid, protective layer. It controls the curing speed, hardness, flexibility, and adhesion of the final compound. In hard formulations, the hardener ensures strong mechanical strength, chemical resistance, and electrical insulation, making the potting material durable and stable under heat, vibration, and environmental stress.
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Color |
Black / Grey / Red/ Blue / Brown |
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Form |
Liquid |
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Working Time |
20 to 25 Minutes |
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Curing Time |
3-4 Hrs. |
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Shelf Life |
6 months |
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Packaging Type |
Part, A: HDPE bucket 10 + Part B: 3 Kg Can |
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Manufacturer |
Jaiprabha Polymer Technologies |
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Certification |
ISO 9001:2015 | ISO 14001:2015 | ROHS | MSME |
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TrustSEAL Seller |
IndiaMART, Exporters India, JustDail, Dail4Trade, |
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Online Social Media |
Flipkart, Shopsy, Meesho, SnapDeal, JioMart. |
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Country of Origin |
Made in India |

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