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| Brand Name : | Jingtu |
| Model Number : | JT-8310 Grey |
| Certification : | MSDS SGS |
| Supply Ability : | 10000 ton/month |
Composition
This product is composed of two components: emulsion and pigment
paste. The main resin consists of epoxy resin, isocyanate
crosslinking agent, and toughening agent, which forms an emulsion
after acid neutralization. The epoxy resin serves as the dispersion
resin and is combined with pigments and fillers to produce the
pigment paste through grinding.
Features
Applications
Technical Specifications
Raw Paint Specifications
| Item | Technical Specifications | Inspection Standard | ||
| Emulsion | Color Paste | |||
| State of Material in Container | Milky white or light yellow liquid | Grey viscous liquid, slight layering allowed, no agglomeration | Visual inspection | |
| Solids Content | 120°C / 1h / 2g, % | 32-34 | 50-52 | GB/T1725-2007 |
| Fineness | μm | ≤10 | ≤20 | GB/T6753.1 |
| pH Value | 25°C | 6.0-6.6 | —— | GB/T9724 |
| Conductivity | 25°C, μs/cm | 1400-2200 | —— | HG/T3335 |
Bath Parameters
| Item | Technical Specification | Testing Standard | |
| Solids Content | 120°C / 1h / 2g, % | 16-18 | GB/T1725-2007 |
| pH Value | 25°C | 5.6-6.3 | GB/T9724 |
| Conductivity | 25°C, μs/cm | 1000-2200 | HG/T3335 |
| Throwing Power | cm, NV = 20% | ≥20 | HG/T3334-2012 |
| Application Temperature | °C | 28-32 | Thermometer |
| Electrophoresis Time | s | Full Immersion 60–180 | N/A |
| Application Voltage | V | 100-240 | 2L Bath Solution |
| Drying Time / Temperature | °C / min | 175/25 | GB/T1728 |
| Solvent Content | % | 1.0-2.0 | QB8008 |
| Breakdown Voltage | V | ≥300 | HG/T3952 |
| Ash Content | —— | 16-24 | GB/T1747-1979 |
| Coulombic Efficiency | mg/C | ≥25 | HG/T3952 |
Film Performance Indicators
| Item | Specification | Testing Standard | |
| Appearance | —— | Smooth, flat, no pinholes | Visual Inspection |
| Film Thickness | μm | 15-35 | GB/T13452.2 |
| Hardness | —— | ≥2H | GB/T6739 |
| Erichsen Cupping | mm | ≥10 | GB/T9753 |
| Adhesion | Grade | 0 | GB/T9286 |
| Flexibility | mm | 1 | GB/T1731 |
| Impact Resistance | cm | 50 | GB/T1732 |
| Gloss | 60° | 50-90 | GB/T9754 |
| Acid Resistance | 0.05mol/L H₂SO₄,48h | No peeling, blistering, or wrinkling; slight discoloration allowed | GB/T 9274 Method A |
| Alkali Resistance | 0.1mol/L NaOH,48h | No peeling, blistering, or wrinkling; slight discoloration allowed | GB/T 9274 Method A |
| Salt Spray Resistance | h | ≥800 | GB/T1771-2007 |
*Salt Spray Resistance: Using Bonderite standard phosphated steel panel, unidirectional corrosion ≤ 2 mm*
Bath Preparation
Color paste : Emulsion : Deionized water = 1:4:5 (by weight). Add
appropriate additives and neutralizing agents to adjust the
parameters. Let the mixture age for 48 hours, then filter and
apply.
Application Process
Pre-degreasing → Degreasing → Water Rinse → Surface Conditioning →
Phosphating → Water Rinse → Pure Water Rinse → Electrophoresis →
Post-rinse → Drying (Also suitable for silane or ceramic
pretreatment processes)
Packaging and Storage
Safety and Hygiene Regulations
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