PERMABOND® 791 Cyanoacrylate
PERMABOND® 791 is a low viscosity, surface insensitive cyanoacrylate adhesive that quickly bonds a wide variety of materials including acidic surfaces, plastics, metals, elastomers, and ceramics. It cures rapidly with minimal frosting, offering reliable performance for high-speed production lines.
PERMABOND® 791 Cyanoacrylate Features:
- Extremely fast setting
- High strength bond formation
- No heat or mixing needed
- Surface insensitive adhesive
- 100% reactive and solvent-free
PERMABOND® 791 Cyanoacrylate Applications:
- Bonding wood and plated components
- Plastic and metal assembly
- Rubber and ceramic bonding
- Use in automated manufacturing
- Fast bonding where aesthetics matter
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
|
Chemical composition |
Ethyl cyanoacrylate |
|
Appearance |
Colourless |
|
Viscosity @ 25°C |
15-50 mPa.s (cP) |
|
Specific gravity |
1.1 |
Typical Curing Properties
|
Maximum gap fill |
0.1 mm 0.004 in |
|
Fixture / handling time* (0.3 N/mm² shear strength is achieved) |
2-3 seconds (Steel) 2-3 seconds (Buna N Rubber) 2-3 seconds (Phenolic) |
|
Full strength |
24 hours |
Typical Performance of Cured Adhesive
|
Shear strength* (ISO4587) |
Steel 18-22 N/mm² (2600-3200 psi) ABS >6 N/mm² (870 psi)**SF PVC >10 N/mm² (1450 psi)**SF PC >6 N/mm² (870 psi)**SF |
|
Tensile strength (ISO6922) |
>20 N/mm² (>3000 psi) |
|
Coefficient of thermal expansion |
90 x 10-6 mm/mm/°C |
|
Coefficient of thermal conductivity |
0.1 W/(m.K) |
|
Hardness (ISO868) |
85 Shore D |
|
Dielectric Strength |
25 kV/mm |




