AF Coating Nano-layer Performance
Vacuum Evaporation (AS Coating)

Precision AF Engineering

Applying advanced Vacuum AS Coating to engineer low-surface-energy interfaces. Our AS processing repels oils and fluids while achieving a silk-touch friction coefficient of <0.05 -- the benchmark for professional-grade anti-smudge nano coating.

> 115° Contact Angle (Water)
30,000+ Steel Wool Rubs (1kg)
10-20nm Nano-Layer Thickness

Molecular Bonding
Efficiency

Unlike temporary spray-on solutions, Winson's Vacuum AS Coating forces AF molecules to form permanent covalent bonds with the substrate lattice. This is not a coating that sits on top; it is a surface transformation -- which is precisely why our friction coefficient < 0.05 is reproducible at scale.

01

Atomic-Level Adhesion

By optimizing vacuum pressure and evaporation temperature, we ensure AF molecules integrate into the material surface, eliminating the risk of delamination under extreme friction.

02

Multi-Substrate Versatility

Our process is calibrated for diverse materials -- from Sapphire and Borosilicate to high-performance Optic Plastics (PC/PMMA) -- maintaining uniform thickness across 2.5D/3D geometries.

SEM Surface Analysis -- 50,000× Magnification Lab Data
SEM cross-section: conventional spray-on AF coating showing irregular particle clusters and porous surface structure
Spray-On Layer Irregular particle clusters · High CoF
UNTREATED
SEM cross-section: Winson vacuum AS coating showing uniform nano-film with atomic-level flatness and covalent bonding
Vacuum AS Nano-Film Uniform 12nm layer · CoF < 0.05
Winson AF

Why CoF < 0.05 matters: The SEM images above demonstrate why vacuum evaporation achieves a friction coefficient unreachable by spray-on methods. The atomically flat fluoropolymer layer eliminates micro-scale asperities -- the root cause of tactile drag.

Dynamic Demo: Anti-Smudge Nano Coating

High-speed video: water droplets bouncing off the AF surface like ping-pong balls -- zero residue, zero spreading. Recorded at 1000fps on Winson-coated 1.1mm aluminosilicate glass.

Contact Angle Maintained: 115°+ · Zero Residue
[Video Asset Pending -- Replace with Production Footage]
Kinetic Friction CoF < 0.05
Contact Angle 115°+
[Technical Video: Real-time Vacuum Deposition inside a 10^-5 Pa Chamber]

Process Control

High-Vacuum (10^-5 Pa)

The Physics of
Endurance

While manual spraying relies on mechanical friction, Winson's processing utilizes Thermal Evaporation to transform solid fluoropolymers into a high-energy molecular stream.

Atmospheric Purity Control

By eliminating air molecules in a deep-vacuum chamber, we prevent oxidation during the deposition phase. This results in a 99.9% pure AF shield that won't yellow or degrade under UV exposure.

Nano-Scale Precision

Our automated control system monitors the evaporation rate in real-time, ensuring a uniform thickness of 12nm (±2nm) across the entire substrate surface, even for complex 3D optical lenses.

Customized For Your Substrate

Sustainable performance for high-traffic environments.

[Image: AF on Cover Glass]

AF on Cover Glass

High-strength bonding for Aluminosilicate and Soda-Lime glass. Optimized for HMI panels and mobile touch interfaces.

Request TDS →
[Image: AF on PC/PMMA with Hard Coating]

AF on Optic Plastic

Specialized solution for PC/PMMA. Combines with UV-Hard Coating to provide both surface hardness and superior anti-smudge properties.

Request Hardness Data →
[Image: Medical Panel Anti-Bacterial]

Anti-Bacterial Hybrid

Designed for medical and shared-use public kiosks. Prevents bacterial growth while maintaining easy-clean hydrophobic performance.

Clinical Report →
Failure Analysis Lab

How Inferior
Anti-Smudge Nano Coating
Actually Fails

Most vendors never show you the degradation curve -- because theirs collapses. We built our quality protocol around understanding exactly where and why AF films fail under real-world stress. The result: Winson AF maintains a contact angle above 105° after 24 hours of combined UV irradiation and acid-alkali cycling -- a threshold most commodity coatings fail within 4 hours.

UV Degradation Pathway

UV-B photons (280-315nm) break C-F bonds in low-purity fluoropolymer chains. Commodity AF films show contact angle drop from 115° → 72° within 8h UV exposure (UV-B, 1.5 W/m²). Winson's 99.9% purity vacuum layer retains 108°+ after 24h.

Acid-Alkali Hydrolysis

In pH 3.0 (acid) and pH 11.0 (alkali) 24H immersion, spray-on AF layers hydrolyze at silane anchor points. Winson's covalent-bonded vacuum layer shows <5° contact angle loss -- validated per ISO 9211-3 chemical resistance protocol.

Contact Angle Retention Under Stress

UV + Acid-Alkali Degradation Curve

Lab Validated
Contact Angle Retention: Winson AF vs Commodity Coating -- 24H UV + Acid-Alkali Stress Test 120° 110° 100° 90° 80° 70° 0h 4h 8h 16h 24h UV Irradiation + Acid-Alkali Cycling (Hours) 105° threshold 117° 108° 68°
Winson Vacuum AS Coating
Commodity Spray-On AF
105° Threshold
108°+ Winson @ 24H
68° Commodity @ 24H

*UV-B 1.5W/m² + pH3.0/pH11.0 alternating 2h cycles. Substrate: 1.1mm Aluminosilicate Glass. Protocol: ISO 9211-3.

Process Selection Matrix

Engineered surface logic for specific industrial stress-levels. All variants achieve Friction Coefficient < 0.05 via Vacuum AS Coating.

Technical Specs Standard Vacuum AF AF + AG (Etched) Hybrid AF + HC
Water Contact Angle (Initial) 115° ± 2° 110° ± 3° (Textured) 115°+ (Optimized)
Surface Hardness (Pencil) 7H - 9H (Substrate Dep.) 6H - 8H ≥ 3H on Plastic / 9H on Glass
Abrasion Resistance (Steel Wool) 20k Cycles (Angle > 100°) 15k Cycles (Angle > 95°) 30k+ Cycles (Industrial Grade)
Total Haze (%) < 0.1% 3.0% - 12.0% (Customizable) < 0.5% (High Clarity)
Cost Effectiveness
★★★★★
Highest ROI · Entry-level pricing · Best for volume orders
★★★★
Mid-range · Dual-function value · Etching adds cost
★★★★★
Premium tier · Long-term asset · Lowest TCO for plastic
Lead Time
Fastest Prototype: 5-7 days · Mass Production: 10-15 days
Medium Prototype: 7-10 days · Mass Production: 15-20 days
Technical Focus Prototype: 10-12 days · Mass Production: 18-25 days
Configuration Advice Get Glass Specs → Request Gloss Level → OEM Plastic Solution →

*All abrasion tests performed using 0000# Steel Wool, 1kg load, 40 times/min. Substrate: 1.1mm Aluminosilicate Glass. Lead times are indicative and subject to order volume.

72-Hour Reliability Cycle

Beyond Visual Inspection

Protocol: ISO 2409 / ASTM Certified

// Resistance

Steel Wool Abrasion

Using #0000 industrial wool under 1kg load. We track contact angle degradation every 5,000 cycles to ensure ultra-long-term hydrophobic stability.

Steel Wool Abrasion Test on AF-coated optical glass panel
Artificial Sweat pH immersion test for anti-smudge nano coating durability
// Durability

Artificial Sweat Test

24H immersion in Ph 4.7 & 8.8 environments. Critical for HMI panels and industrial devices with high-frequency human contact.

// Integrity

Mechanical Adhesion

A lattice-cut test (ASTM D3359) followed by tape-pull ensures the nano-layer is physically integrated with the substrate lattice.

ASTM D3359 lattice-cut adhesion test on vacuum-deposited AF nano-coating
Salt spray NaCl mist test for AF-coated maritime optical panel
// Environmental

Salt Spray Exposure

48H+ NaCl mist exposure (NSS) ensuring zero oxidation and haze. Mandatory for maritime and high-humidity industrial terminal displays.

Expert Column · Sourcing Intelligence
I

Iris

Chief Procurement Strategist · Winson Optics

12 Years B2B Sourcing · Ex-Senior Buyer → Manufacturer Partner (2025)

Available for Consultation
// Issue #07 -- The 10% Price Premium Question

"Same 115°. Different Lifespan.
Here's What the Data Shows."

"A lot of people ask me: if both quote 115°, why is Winson's AF 10% more expensive? My answer is always the same -- I take them to the 30,000-cycle steel wool test data. Cheap AF is a consumable. It looks perfect on day one and fails at 2,000 rubs. Our AF is a capital asset -- it retains above 105° contact angle after 24 hours of combined UV and acid-alkali stress. That's not a spec sheet number. That's the difference between a product recall and a 5-year client relationship."

The Metric That Matters

Contact angle retention rate after abrasion -- not the initial value. A 115° → 108° curve after 30k cycles beats 115° → 68° every time.

The Buyer's Trap

Vendors who only show fresh samples are hiding the degradation curve. Always ask for the 6-month field data or the 20,000-cycle post-test contact angle report.

Winson's Commitment

We only ship what passes our internal 30,000-cycle protocol. Every batch includes a QC card with the post-test contact angle -- not just the initial spec.

Have a sourcing challenge around AF durability, substrate compatibility, or supplier qualification? Iris reviews every technical inquiry personally.

Experience the "Velvet Feel" of
Vacuum AS Coating

Don't take our word for it. Request our AF Durability Kit and perform your own alcohol/steel wool stress tests. Verify the friction coefficient < 0.05 yourself.

Standard Lead Time for AF Samples: 5-7 Business Days