901820
Invar electroplating solution
Synonym(s):
FeNi36 electroplating solution, Nickel-iron alloy electroplating solution
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About This Item
form
liquid
contains
1 g/L±0.1 g/L stabilizer, 0.01 g/L±0.001 g/L wetting agent, 4 g/L±0.2 g/L Stress reducer
composition
9 g/L ±0.3 g/L NiBr2 · xH2O , 24 g/L ±0.5 g/L H3BO3 , 51 g/L ±1.5 g/L FeSO4 · 7H2O , 164 g/L ±5 g/L Ni(SO3NH2)2 .4H2O
General description
Features and Benefits
- Deposits have low internal stress and are very ductile.
- Near-zero linear thermal expansion in plated alloy films.
- Surfaces are uniform and smooth with well-controlled thickness and excellent uniformity.
- Qualified bath metrology for replenishment and a long shelf life.
Electroplated Invar film (5-10 μm thickness) properties:
1. Density: 8.1 g/cm3
2. Composition: 64 wt% Fe, 36 wt% Ni
3. Linear thermal expansion: 0.4 ± 0.1 * 10-6 K-1
4. Specific heat copacity at 573K: 0.45 ± 0.05 J/gK
5. Thermal conductivity: 43 ± 5 W/mK
6. Internal stress: 30 ± 2 MPa
7. Tensile strength: 500 ± 60 MPa
8. Yield strength: 280 ± 50 MPa
9. Ductility: 40 ±10 %
signalword
Danger
Hazard Classifications
Aquatic Chronic 2 - Carc. 1A Inhalation - Eye Dam. 1 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1 - STOT RE 1 - STOT RE 2 Inhalation
target_organs
Respiratory Tract
wgk
WGK 3
Regulatory Information
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