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DSR-800 offers excellent printability, outstanding heat resistance, and a wide process window. It is a highly versatile, user-friendly liquid photoimageable solder mask ink suitable for a broad range of applications.
Ink Properties:
Item | Specification | Remarks |
Color | Medium Green |
|
Fineness | ≤8 μm | 0~25 μm grind gauge |
Mixing Ratio | Base Ink/Hardener = 3:1 | Weight ratio |
Solids after Mixing | 75±3% |
|
Viscosity after Mixing (25°C) | 200±30dPa ·s | VT-04F |
Density after Mixing (25°C) | 1.20~ 1.30g/ml |
|
Pot Life after Mixing | 24 hours | Below 25°C; protected from light |
Environmental Standard | RoHS Directive compliant | SGS tested |
Pre-bake Limit | 75°C, 60min |
|
Exposure Energy | 300~500mJ/cm2 | UV energy at ink surface |
Packaging | Base Ink: 750g; Hardener: 250g | Standard packaging |
Base Ink: 3.75kg; Hardener: 1.25kg | ||
Shelf Life | 6 months from date of manufacture | Sealed below 25°C; protected from light |
Coating Performance:
Item | Specification | Remarks |
Pencil Hardness | ≥6H | Pencil hardness tester, JIS K5400 8.4 |
Adhesion | 100/100 | Cross-cut test, JIS K5400 8.5 |
Solvent Resistance | No change | Alcohol immersion at 25°C for 20 minutes |
Acid Resistance | No change | 10vol% H₂SO₄ immersion at 25°C for 20 minutes |
Alkali Resistance | No change | 10wt% NaOH immersion at 25°C for 20 minutes |
Boiling Water Resistance | No change | Boiling-water immersion at 100°C for 30 minutes |
Insulation Resistance | ≥1.0 × 1012 Ω | IPC-SM-840C 3.8.2 |
Solder Heat Resistance | No blistering or delamination at 288°C×10 sec×3 cycles | JIS C6481 5.5 |
Flammability | UL94 V-0 | Certification No.: UL-E 189612 |
ENIG | No blistering or delamination | Ni: 5 μm; Au: 0.05 μm |
Electroplated Gold | No blistering or delamination | Ni: 5 μm; Au: 1.0 μm |
Notes:
1. Before use, mix the base ink and hardener thoroughly at the specified ratio.
2. If thinning is required, use high-purity Butyl Cellosolve (BCS) or DPM.
3. The data herein are based on our laboratory test results and are provided for reference only. Customers should conduct verification tests before establishing appropriate operating conditions.
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