U-638A/B
Product Category
・Urethane ・Casting materials
Features
・Flame retardant ・Flexibility ・Heat shock resistance ・Heat resistance ・High flow ・Low viscosity ・Black ・Water resistance ・Insulating properties ・RoHS
Applications
・Electronic component encapsulation ・Base encapsulation ・Sensor encapsulation ・Coil encapsulation
Characteristics
| Product name | U-638A/B |
|---|---|
| Hardness (Durometer A) | 38 |
| Glass transition temperature | -70℃ |
| Viscosity(25℃） | 2300mPa・s |
| Water absorption (boiling 2h) | 0.4% |
| Volume resistivity | 1×10^13Ω・cm |
Related Products
Item Description
| Item | Description |
|---|---|
| Product form | Liquid |
| Mixing ratio | A：B＝25:100 |
| Curing conditions | 80℃x5h |
| Storage conditions | Cold and dark place |
