Brief Introduction
R-382-1 polyurethane encapsulating resin is made from polyether, hardener and filler presented in two-component form. The heat-resistant grade of R-382-1 is B. Correspond with UL approval standards(E229550).
Features
Good manufacturability, shining solid, excellent crack resistance, good waterproof and moisture resistance property, low shrinkage, good insulation property and flame-retardant efficiency.
Application/Use
It is suitable for the casting of motor coils and encapsulating of electronic components, for example, it is fit for computer control panel, transformer, control source, ignite controller, mutual inductor coils, ignite coils of autocycle and auto, brake and so on. This product can be cured at room temperature or under bake. It also have good fluidity after part A and part B mixed together.
Qualification (as the Q/R 101-2010 company standard)
No. | Test Item | Test Method | Unit | Value | |
1 | Appearance | Test Tube | - | Part A is viscous liquid, Part B is light yellow transparent liquid | |
2 | Specific gravity | Part A | 23±2°C | g/cm3 | 1.36±0.05 |
Part B | 1.20±0.03 | ||||
3 | Viscosity | Part A | 23±2°C | Mpa.s | 1900±500 |
Part B | s | 16±6 | |||
4 | Mixing ration | - | - | 100/20 | |
5 | Volume Resistivity | At room temperature | Ω·m | ≥1×1012 | |
After immersion in water | ≥1×1011 | ||||
6 | Dielectric Strength | Normalcy | MV/m | ≥20 | |
7 | Pot life | 30°C | min | ≥30 | |
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!