ED-C407 KNT831LG High Performance Cathodic Electrodeposition Black Paint (HE)

This is a high-edge electrophoretic coating produced by Shanghai Kinetic Chemical Co., Ltd. It is the world's most cost-effective high-edge electrophoretic coating, comparable to PV Agent 680. We recommend your selection.

Describe Details

Product Introduction

ED-C407 KNT831LG is a high-performance cathodic electrodeposition (ED) black paint, specially designed for automotive parts, home appliances, hardware, machinery and steel workpieces. It provides excellent corrosion resistance, uniform coating, high hardness and good mechanical properties, which is an ideal surface treatment solution for metal workpieces.

1. Technical Specifications

1.1 Raw Paint Indicators

Item	Emulsion	Pigment Paste	Test Standard
Material State	Milky red liquid, slight color change allowed	Black viscous liquid, no agglomeration, sediment can be stirred up	Visual Inspection
Non-volatile Content (120℃/1h/2g, %)	32-34	45-49	HG/T3334.4.6
Fineness (μm)	≤10	≤15	GB/T1724 Method A
pH Value (25℃)	5.4-6.4	--	HG/T3334.4.2
Conductivity (25℃, μs/cm)	1200-2500	--	HG/T3334.4.1

1.2 Bath Parameters

Item	Technical Indicator	Test Standard
Non-volatile Content (120℃/1h/2g, %)	10-20	HG/T3334.4.6
pH Value (25℃)	5.6-6.4	HG/T3334.4.2
Conductivity (25℃, μs/cm)	800-1800	HG/T3334.4.1
Pigment/Binder Ratio	0.14-0.22	HG/T3334.4.8
Maturation Time (26-30℃, h)	48	2L Bath Solution
Application Temperature (℃)	28-33	Thermometer
Electrodeposition Time (s)	120-180	--
Application Voltage (V)	160-300	2L Bath Solution
Workpiece Temperature/Drying Time (℃/min)	170/20	HG/T3334.4.17
Solvent Content (EB, %)	0.5-1.5	HG/T3334.4.18
MEQ Acid (mmol/100g)	28-40	HG/T3334.4.13
Breakdown Voltage (V)	≥300	HG/T3334.4.16

1.3 Coating Film Performance

Item	Technical Indicator	Test Standard
Appearance (Grade)	A Board: 8-10, C Board: 8-10, L Board: 7-10	Q/KNT8021
Film Thickness (μm)	18-35	GB/T13452.2
Hardness	≥H	GB/T6739
Cup Test (mm)	≥6	GB/T9753
Adhesion (Cross Cut, Grade)	0	GB/T9286
Flexibility (mm)	1	GB/T1731
Impact Resistance (cm)	50	GB/T1732
Gloss (60°)	≥50	GB/T9754
Acid Resistance (0.05mol/L H₂SO₄, 48h)	No peeling, no blistering, slight discoloration allowed	GB/T9274 Method A
Alkali Resistance (0.1mol/L NaOH, 48h)	No peeling, no blistering, slight discoloration allowed	GB/T9274 Method A
Water Resistance (39-41℃, h)	≥500	GB/T5209
Salt Spray Resistance (h)	≥1000	ASTM B 117, ASTM D 1654
*Salt Spray Test: Bonder standard phosphated steel plate, one-way expansion ≤2mm.

2. Bath Solution Preparation

2.1 Recommended Mixing Ratio

Tank Mixing Ratio: Emulsion : Pigment Paste = 5 : 1 (weight ratio)
Make-up Mixing Ratio: Emulsion : Pigment Paste = 4 : 1 (weight ratio)
*Or refer to the engineer's advice.

2.2 Preparation Steps for 1L 15% Solid Content Bath Solution

Add 356g of emulsion and 572g of water into the container, stir evenly.
Slowly add 72g of pigment paste under stirring, continue stirring and ripening at about 30℃ for use.

3. Key Features

✅ Excellent Corrosion Resistance: 1000h salt spray resistance, long-term protection for metal workpieces

✅ Uniform Coating: Good throwing power, uniform film thickness on complex workpieces

✅ High Mechanical Properties: High hardness, good impact resistance and flexibility

✅ Environmental Friendly: Low VOC, compliant with environmental protection standards

✅ Wide Application: Suitable for automotive, home appliances, hardware, machinery and other industries

✅ Stable Performance: Stable bath solution, long service life, easy maintenance

4. Application Fields

Automotive parts and components
Home appliances and hardware
Machinery manufacturing and steel structures
Hardware tools and metal workpieces
Surface pretreatment and corrosion protection of metal parts

5. Packaging & Delivery

Packaging: 25kg/barrel (blue plastic drum), 1000kg/IBC tote
Delivery: Fast delivery, professional packaging, support bulk order
Storage: Store in a cool, dry and ventilated place, avoid direct sunlight

6. After-Sales Service

1-year quality warranty
Lifetime technical support and bath solution maintenance
Professional on-site guidance and training
24-hour online customer service

FAQ

What are the main features of these pumps?

The main features of these pumps are that the PTC-400~675 series are medium to large magnetic sealless pump sets, made of corrosion-resistant materials GFRPP or CFRETFE, commonly used for the transport of corrosive chemical fluids. The sealless design emphasizes the safe use without leakage.

What are the main features of the CQB magnetic drive pump?

The main feature of the CQB magnetic drive pump is that it uses a magnetic coupling to transfer power, ensuring complete no-leakage. It is suitable for transporting flammable, explosive, volatile, toxic, precious liquids, and various corrosive liquids.

What industries are these pumps suitable for?

The CQB series of magnetic drive pumps are suitable for industries such as petroleum, chemical, pharmaceutical, metallurgy, electroplating, environmental protection, food, film printing, water treatment, and national defense.