TAMURA NHF-LR scaling powder
Brief introduction of TAMURA Tamura NHF-LR flux characteristics;
- This product is halogen-free and has good environmental protection.
- Less flux residue, and the color of the product is close to transparency.
- Solved the problems of soldering, continuous welding and tin on the through hole.
TAMURA Tamura NHF-LR flux specification parameters:
| name of an article | NHF-LR | test method |
| hue | Pale yellow transparent liquid | estimate range by eye |
| proportion (20℃) | 0.808 | JIS Z 3197(1999) |
| Solid content (%) | 5.5 | JIS Z 3197(1999) |
| Halogen content (%) | 0 | JIS Z 3197(1999) |
|
Solder diffusivity (%) (alloy：Sn/3Ag/0.5Cu) |
More than 72 | JIS Z 3197(1999) |
| Copper plate corrosion | qualified | JIS Z 3197(1999) |
| Copper mirror corrosion | Non-corrosive | JIS Z 3197(1999) |
| IPC distinction | RO-L0 | |
| Insulation impedance | Above 5x108 | JIS Z 3197(1999) |
