Fluorocarbon topcoat paint for spraying

• Coating viscosity: Depends on film thickness and site conditions • Coating method: Electrostatic spraying • Coating process: Conventional solid colors usually use a two-coat process; bright colors, metallic colors, champagne colors, and antique bronze colors use a three-coat process

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PVDF High-Temperature Fluorocarbon Coating

Description

Commodity name: Fluorocarbon topcoat paint for spraying

Coating Properties

Inspection Items	Inspection Criteria	Testing Methods
Original Paint	Even dispersion, no caking	Visual Inspection
Viscosity (T-4#/25℃)	100±20	ASTM D4212-99
Density (g/cm³) ³)	1.20±0.10	GB/T 1725-1989
Non-volatile Content (%)	Depends on color	GB/T 6751-86

• Panel preparation conditions: aluminum plate, galvanized plate degreased and chemically pretreated to meet finished product requirements

• Two-coat process: primer (10-12) μm + topcoat (20-22) μm

• Film forming temperature: 230-235℃ for 8-10 minutes

• Three-coat process: primer (10-12) μm + topcoat (20-22) μm + finish coat (8-10) μm

• Film forming temperature: 230-235℃

• Coating viscosity: depends on film thickness and site conditions

• Coating method: electrostatic spraying

• Coating process: conventional solid colors usually use two-coat process; bright colors, metallic colors, champagne, and antique copper use three-coat process

Coating Performance

Film Appearance		Smooth and flat	Standard used (GB/T 23443-2019)
Color Difference		ΔE ≤ 0.5	Colorimeter
Pencil Hardness		≥H
Impact Resistance		5J (aluminum plate) no cracks
Gloss / 600		About 20-30
MEK, times		≥200
Adhesion	Dry Type	Cross-cut test grade 0
	Wet Type	Cross-cut test grade 0
	Boiling Water	Cross-cut test grade 0
Acid Resistance	Hydrochloric Acid Resistance	No change
Acid Resistance	Nitric Acid Resistance	No change, ΔE ≤ 5
Mortar Resistance		No change
Mortar Resistance		No change
Abrasion Resistance		≥5L/UM
Artificial Aging Resistance		4000 hours	Refer to HGT 3793-2019
Salt Spray Resistance		4000 hours	Refer to HGT 3793-2019
Damp Heat Resistance		4000 hours	Refer to HGT 3793-2019
Overall performance meets AAMA2605 standard

The product performance and application data listed above were obtained under our company's test conditions. Actual product usage requirements vary and are not constrained by us. For any uncertainties, please contact the technical department of KFCC New Materials Co., Ltd.

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