Brief Introduction
This polyurethane embedding adhesive is made from polyurethane, hardener and filler presented in two-component form. Cures at room temperature, and its heat-resistant grade is B. This product not fire resistant, passed RoHS, REACH test. This resin is transparent and not FR, we can also provide FR product and colored resin according to your demands, besides, viscosity, hardener, density are all could be adjust as you need.
Features
Good manufacturability and insulation property, low shrinkage, shining appearance of condensate and excellent crack resistance.
Application/Use
Embedding, casting and potting for electronic components, motor and apparatus coils. For example: capacitors, small transformers, PCB, ignition coils of autocycle and auto etc.
Qualification (as the Q/R 101-2010 company standard)
No. | Test Item | Test Method | Unit | Value | |
1 | Appearance | Test Tube | - | Part A is transparent viscous liquid, Part B is brown transparent liquid, no mechanical impurity | |
2 | Viscosity | Part A | 25°C | mPa.s | 1200-1800 |
Part B | s | 20±3 | |||
Mix | mPa.s | 600-800 | |||
3 | Density | Part A | 23°C | g/cm3 | 1.33 ±0.05 |
Part B | 1.20 ±0.03 | ||||
Mix | 1.30 ±0.05 | ||||
4 | Hardness | Shore D | - | ≥35 | |
5 | Mix ratio | by weight | - | 100/20 | |
6 | Thermal conductivity | - | W/m.K | 0.3 | |
7 | Volume Resistivity | At room temperature | Ω·m | ≥1×1012 | |
After immersion in water | ≥1×1011 | ||||
8 | Dielectric Strength | Normalcy | MV/m | ≥20 | |
9 | Pot life | 30°C | h | 0.5 | |
After cured:
Established in 1992, Rota Group is one of the most professional manufacturers of impregnating varnish, mica tape, potting resin and embedding resin in China. Most products have been approved by ISO9001, 14000, UL, TUV, FDA, RoHS and REACH, widely used in high-voltage motors, wires and cables, household appliances, industrial pumps, and metallurgy equipments etc. We win the trust of the majority of well-known manufactures, like BOSCH, BLACK & DECKER, Fujitsu, Shibaura, REGAL, Siemens, EPCOS, N.P.V. and so on.
Professional quality, creating value for customers. Rota Group lead in the aspects of industry scale, product technology and innovation capacity, we will provide quality products and professional services for you. Welcome you!