Roll-coated fluorocarbon topcoat paint

• Coating viscosity: depends on film thickness and site conditions • Coating method: three-roll or two-roll reverse coating • Coating speed: depends on the conditions of each unit

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PVDF High-Temperature Fluorocarbon Coating

Description

Commodity name: Roll-coated fluorocarbon topcoat paint

• Coating viscosity: depends on film thickness and site conditions • Coating method: three-roll or two-roll reverse coating • Coating speed: depends on the conditions of each unit

Coating Properties

Inspection Items	Inspection Criteria	Testing Methods
Original Paint	Evenly dispersed, no caking	Visual
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
Fineness (μm, ≤)	25	Scraper

• Panel Conditions: Aluminum plate, galvanized plate treated with degreasing agent and chemical pretreatment meeting finished product requirements

• Primer: Matching primer Film thickness: 5-7μm P.M.T: 216-232℃

• Topcoat: KFCC various fluorocarbon topcoats Film thickness: 20±2μm P.M.T: 241-254℃

• Coating Viscosity: Depends on film thickness and site conditions

• Coating Method: Three-roll or two-roll reverse coating

• Coating Speed: Depends on each production line

Coating Performance

Coating Appearance	Smooth and flat
Color Difference	ΔE≤0.5
Pencil Hardness (Zhonghua 505)	≥HB (no scratch)
Impact	5J (aluminum plate), 9J (steel plate)
T-bend	≤2T (no peeling)
Gloss/600	About 20-30
Cup Test	7mm no cracks or peeling (steel plate)
MEK, back and forth, times	≥100
Adhesion	100%
Boiling water 1h	No abnormalities on panel
Acid Resistance (5% HCl 24h)	No abnormalities on panel
Alkali Resistance (5% NaOH 24h)	No abnormalities on panel
Artificial Aging Resistance	4000 hours
Salt Spray Resistance	4000 hours
Damp Heat Resistance	4000 hours

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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