Bectron® MR 3404
Bectron® MR 3404 is a thermoplastic hot melt coating resin for electronics, offering fast processing with no need for curing. It’s designed for selective or full coating of PCBs, providing mechanical support and environmental protection.
Bectron® MR 3404 Features
- Max operating temperature: 105°C
- Low humidity absorption
- UV light inspectable
- Reworkable and ROHS compliant
Bectron® MR 3404 Applications
- Thick film coating for PCBs
- Shock and vibration protection
- Chemical and moisture shielding
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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Properties of component as supplied
|
Property |
Condition |
Value |
Unit |
|
Viscosity (DIN 53018) |
180°C |
1,100 ± 400 |
mPas |
|
Density (DIN 53217) |
23°C |
0.86 ± 0.02 |
g/cm³ |
|
Shelf life |
23°C |
6 |
months |
Thermal properties in cured condition
|
Property |
Condition |
Value |
Unit |
|
Melting Range; DCS 20K/min |
168h @ 105°C |
110 - 150 |
°C |
|
Max. Operation temperature |
168h @ 105°C |
105 |
°C |
|
Temperature Range |
|
-40 to +105 |
°C |
Mechanical properties in cured condition
|
Property |
Condition |
Value |
Unit |
|
Hardness, ISO 868 |
23°C |
20 ± 6 |
Shore A |
|
|
105 °C |
undetectable |
Shore A |




