PERMABOND® ET5428 BLACK
PERMABOND® ET5428 BLACK is a specially formulated black epoxy adhesive tailored for carbon fiber and other composite materials. It offers high strength, fast curing, and excellent resistance to temperature and vibration, while blending visually with dark substrates.
PERMABOND® ET5428 BLACK Features:
- Strong bonding to carbon fiber
- Rapid cure performance
- High temperature resistance
- Excellent mechanical properties
- Color matched for carbon composites
PERMABOND® ET5428 BLACK Applications:
- Carbon fiber structural bonding
- Composites used in aerospace or automotive
- Black substrate applications
- High-impact, high-performance bonding
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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Physical Properties of Uncured Adhesive
|
|
ET5428 BLACK A side |
ET5428 BLACK B side |
|
Chemical composition |
Epoxy Resin |
Polyamine Hardener |
|
Appearance |
White |
Black |
|
Mixed appearance |
Charcoal black |
|
|
Viscosity @ 25°C |
20rpm: 115,000 mPa.s (cP) 2rpm: 300,000 mPa.s (cP) |
20rpm: 200,000 mPa.s (cP) 2rpm: 1,100,000 mPa.s (cP) |
|
Specific gravity |
1.1 |
1.1 |
Typical Curing Properties
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Mix ratio |
2:1 by volume 2:1 by weight |
|
Maximum gap fill |
5 mm 0.2 in |
|
Usable / pot life @23°C 10g mixed |
10-20 mins |
|
Handling time |
23°C: 30-45 mins |
|
Working strength |
23°C: 1 hour 60°C: 15 minutes |
|
Full cure |
23°C: 24-48 hours 60°C: 1 hour |
Typical Performance of Cured Adhesive
|
Shear strength* (ISO4587) |
Mild steel: 28-34 N/mm² (4060-4930psi) Aluminium: 22-28 N/mm² (3190-4060psi) Stainless Steel: 29-35 N/mm² (4205-5075psi) Carbon Fibre: >25 N/mm² ** SF (>3625psi) FRP Glass/Polyester: >9 N/mm²** SF (>1305psi) FRP Glass/Epoxy: 24-28 N/mm² (3480-4060psi) PEEK: 4-5 N/mm² (580-725psi) PA6 30% filled: 3-4 N/mm² (435-580psi) |
|
Peel strength (aluminium) (ISO4578) |
150-250 N/25mm (33-55 PIW) |
|
Impact strength (ASTM D-950) |
30-40 KJ/m² |
|
Hardness (ISO868) |
65-75 Shore D |
|
Elongation at break (ISO37) |
<5% |
|
Glass transition temperature Tg |
50-60°C (122-140°F) |
|
Dielectric strength |
15-25 kV/ mm |
