PUT3214 Two-component Polyurethane Potting Adhesive
PUT3214 is ideal for potting and sealing a wide range of electronic and electrical products. It features a low mixing viscosity, excellent fluidity, effortless pouring, and easy handling. Its primary functions include waterproofing, protection, sealing, filling, and insulation. Once cured, it forms a strong colloidal structure with exceptional adhesion and favorable electrical properties. Additionally, it meets RoHS, Reach requirements, as well as UL94 V0 flame retardant standards.
Features and benefits
- PUT3214 A/B is a two-component, high-performance aromatic polyurethane potting material
- PUT3214 A/B consists of main agent and curing agent
- Glue A: curing agent/cured isocyanate
- Glue B: main agent/polyol
Specifications
TYPICAL PROPERTIES
| Index | Mixing ratio (By weight) | Exterior inspection | Viscosity 25°C, Mpa*s | Density @25°C, g/ cm³ | Open time @100g, 25°C | Storage time @Sealed, 25°C |
| PUT3214A | 20 | Brown liquid | 200~300 | 1.21±0.05 | —— | 3 months |
| PUT3214B | 100 | Black liquid | 3500~5500 | 1.46±0.05 | —— | 3 months |
| Mix A+B | ——– | Black | 1100~1500 | 1.40±0.05 | 35±5min |
TYPICAL CURED PROPERTIES
| Index | Fixed time @25°C | Curing time @25°C | Heat curing @60°C | Cured hardness Shore A | Color, Visual inspection | Temperature resistant °C | Tg point °C | Linear expansion coefficient N/mm | Flame retardancy
UL94 |
| PUT3214 cured material | 4~5H | 8~10H | 40min | 40~50A | Black | -40°C~130°C | 12°C | 145*10-6k-1 | V0 |
CURED ELECTRICAL PERFORMANCE
| Index | Thermal Conductivity, W/m.k | Dielectric strength @23°C,kv | Volume resistivity @23°C/50% r.h | Surface resistance @23°C / 50% | Dielectric constant at 1MHz, 23°C |
| PUT3214 cured material | 0.58 | ≥50 | 1.25*1014*Ω. cm | 1.88*10-15Ω/sq | 4.41 |
Technical Documents
PUT3214 Technical Data Sheet
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