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Xiangyang Jingtu Anti corrosion Materials Co., Ltd
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JT-7800 Black Cathodic Electrocoating Two Components

JT-7800 Black Cathodic Electrocoating Two Components

Brand Name Jingtu
Model Number JT-7800 Black
Certification MSDS SGS
Place of Origin China
Minimum Order Quantity 500KG
Supply Ability 10000 ton/month
Packaging Details 50 kg/barrel, 65 kg/barrel, 200 kg/barrel, 1000-liter plastic IBC barrel
Detailed Product Description

Composition
This product consists of two components: an emulsion and a color paste. The main resin system is composed of epoxy resin, isocyanate crosslinking agent, and toughening agent, which are neutralized with acid to form the emulsion. The dispersion resin is epoxy resin, and the color paste is prepared by grinding pigments and fillers.

 

Features

  • Application Performance: Excellent penetration and electrodeposition capabilities; outstanding anti-settling stability of the bath.
  • Film Performance: Excellent coating appearance and mechanical properties.
  • Environmentally Friendly: A water-based coating free of lead and other heavy metals, meeting environmental standards.

Applications

  • Widely used for corrosion-resistant coating of automobiles, auto parts, household appliances, hardware, agricultural machinery, and various steel components.
  • It is also suitable for electrophoretic coating of light industrial products with specific performance requirements, such as umbrella frames.

Technical Specifications

Raw Paint Specifications

ItemTechnical SpecificationsInspection Standard
EmulsionColor Paste
State of Material in ContainerMilky white liquidBlack viscous liquid, no agglomerationVisual inspection
Solids Content120°C / 1h / 2g, %32-3440-42GB/T1725-2007
Finenessμm≤10≤20GB/T6753.1
pH Value25°C6.2-6.8——GB/T9724
Conductivity25°C, μs/cm1200-2200——HG/T3335


Bath Parameters

ItemTechnical SpecificationTesting Standard
Solids Content120°C / 1h / 2g, %16-18GB/T1725-2007
pH Value25°C5.6-6.3GB/T9724
Conductivity25°C, μs/cm1000-2200HG/T3335
Throwing Powercm, NV = 20%≥20HG/T3334-2012
Application Temperature°C28-32Thermometer
Electrophoresis TimesFull Immersion 60–180N/A
Application VoltageV100-2402L Bath Solution
Drying Time / Temperature°C / min175/25GB/T1728
Solvent Content%1.0-2.5QB8008
Breakdown VoltageV≥300HG/T3952
Ash Content——9-14GB/T1747-1979
Coulombic Efficiencymg/C≥25HG/T3952


Film Performance Indicators

ItemSpecificationTesting Standard
Appearance——Smooth, flat, no pinholesVisual Inspection
Film Thicknessμm15-25GB/T13452.2
Hardness——≥2HGB/T6739
Erichsen Cuppingmm≥10GB/T9753
AdhesionGrade0GB/T9286
Flexibilitymm1GB/T1731
Impact Resistancecm50GB/T1732
Gloss60°50-90GB/T9754
Acid Resistance0.05mol/L H₂SO₄,48hNo peeling, blistering, or wrinkling; slight discoloration allowedGB/T 9274 Method A
Alkali Resistance0.1mol/L NaOH,48hNo peeling, blistering, or wrinkling; slight discoloration allowedGB/T 9274 Method A
Salt Spray Resistanceh≥800GB/T1771-2007

*Salt Spray Resistance: Using Bonderite standard phosphated steel panel, unidirectional corrosion ≤ 2 mm*

 

Bath Preparation
Color paste : Emulsion : Deionized water = 1:3:4 (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

  • Packaging
    Emulsion: 50 kg/barrel, 200 kg/barrel, 1000-liter plastic IBC barrel (1000 kg/barrel)
    Color paste: 50 kg/barrel, 65 kg/barrel
  • Storage Conditions
    Store sealed in a cool, dry place at 5–35°C
  • Shelf Life
    Emulsion: 6 months
    Color paste: 6 months (If past the shelf life, the product can still be used if it passes quality inspection based on relevant standards.)

 

Safety and Hygiene Regulations

  • This product is not listed in the "GB6944 Classification and Code of Dangerous Goods."
  • Ensure proper ventilation during application.
  • Avoid contact with eyes or ingestion.
Product Tags: Two Components Cathodic Electrocoating   Anti-Settling cathodic electrocoating  
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