Fluoropolymer Coating

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Fluoropolymer Spray Coating Services

High-purity fluoropolymer coatings for –190°C to 260°C environments, using DuPont, Daikin, and Solvay materials for industrial applications and semiconductor manufacturing.

Fluoropolymer Coating for Industrial Applications

Fluoropolymer Coating for Semiconductor Manufacturing

Fluoropolymer Spray Coating Processes Available

Fluoropolymer Coating for Industrial Applications
PFA coating, PTFE (F4) coating, FEP (F46) coating, ETFE (F40) coating, ECTFE (F30, Halar) coating, PVDF coating

Fluoropolymer Coating for Semiconductor Manufacturing
PFA high purity coating, ECTFE (F30, Halar) high purity coating, PVDF coating, PFA high purity anti-static coating, high purity of 0.5-1 ppb

What Makes Us Unique

At ChiNaite, every detail in our coating process is designed to ensure quality, consistency, and compatibility with demanding applications.

Precision-Controlled Curing
We use hot air circulation ovens imported from Japan to ensure uniform temperature control during curing. With a maximum capacity of 5 meters in diameter and 10 meters in length, our largest oven is one of the biggest used for fluoropolymer coating in China. To handle a variety of equipment sizes, we operate a total of 25 ovens in different specifications.
Certified Raw Materials
All coating materials are imported and approved by Chemours (DuPont, USA), Daikin (Japan), and Solvay (USA), ensuring consistent performance and material traceability.
Dedicated Sandblasting Areas
To prevent cross-contamination, stainless steel and carbon steel vessels are handled in separate sandblasting rooms, three for each material type, enabling strict quality control at every stage.
Electrostatic Powder Coating Range
We offer five fluoropolymer options for electrostatic powder coating: PTFE (F4), PFA, FEP (F46), ETFE (F40), ECTFE (Halar, F30), and PVDF.
Fluoropolymer Emulsion Coating Options
Our emulsion-based coating services include PTFE, PFA, and FEP (F46) to meet different performance and process requirements.

The number of coating layers applied depends on the required thickness.

9. Sixth Topcoat Layer (cured at high temperature)

8. Fifth Topcoat Layer (cured at high temperature)

7. Fourth Topcoat Layer (cured at high temperature)

6. Third Topcoat Layer (cured at high temperature)

5. Second Topcoat Layer (cured at high temperature)

4. First Topcoat Layer (cured at high temperature)

3. Primer Layer (base coat applied and oven cured)

2. Surface Preparation (sandblasting)

1. Steel Substrate

Selection Guide of Fluoropolymer Coating

Corrosion Protection Grade	Process Selection	Corrosion Protection Thickness	Typical Color	Raw Material Brand	Purity Grade
Fluoropolymer Coating for Industrial Applications	PTFE (F4) coating	10μm-70μm	Green/Grey/Black/Brown…	Chemours/DuPont (USA) Daikin (Japan) Solvay (USA)	G1-G2 G1-G3
	PFA coating	10μm-2000μm	Red/Black/White/Grey…		G1-G2 G1-G3
	FEP (F46) coating	10μm-1500μm	White/Black/Green…		G1-G2
	ECTFE (30,Halar) coating	0.2mm-1.5mm	White/Black/Green…		G1-G3
	ETFE (F40) coating	0.2mm-1.5mm	Blue/Grey/White/Green…		G1-G3
	PVDF coating	0.2mm-1.5mm	Beige/Black…		G1-G3
	PFA anti-static coating	10μm-2000μm	Red/Black/White/Grey…		G1-G3
	ETFE (F40) anti-static coating	0.2mm-1.5mm	Blue/Grey/White/Green…		G1-G3
	PTFE (F4) anti-static coating	10μm-70μm	Green/Grey/Black/Brown…		G1-G2
Fluoropolymer Coating for Semiconductor Manufacturing	PFA high purity coating	10μm-2000μm	Black/Beige/Transparent…	/	0.5~1ppb
	ECTFE (30,Halar) high purity coating	0.2mm-1.5mm	Black/Green….	Solvay (USA)
	PVDF coating	0.2mm-1.5mm	Black/Beige/Transparent…	Arkema (France)
	PFA high purity anti-static coating	10μm-2000μm	Black/Beige/Transparent…	/

Spray Coating Process Flow

Incoming inspection
Sharp edges grinding and smoothing
Thermal degreasing and stress relief
Grit blasting and roughing
Surface roughness measuring
Grit blasted surface cleaning
Substrate pre-heating
Primer spraying
Intermediate coat spraying
Topcoat spraying and sintering for multiple times
Coating appearance inspection
Adhesion testing
Coating film thickness measuring
Holiday spark test
Surface cleaning
Packaging

We Provide Expert Coating Applications

Welding of vessel structure
Edge grinding & surface smoothing
Sandblasting & roughness inspection
Personnel air shower
Equipment air shower before coating
Primer spraying
Intermediate coat spraying
Topcoat spraying
Adhesion testing
Coating thickness inspection
Holiday spark test
Hydrostatic insulation test

Fluoropolymer Coating & Lining Services

Interested in our fluoropolymer coating & lining solutions?

Contact us today to explore how our customized protection technologies can meet your corrosion resistance and purity protection requirements.