Winson Optics
AF Coating Nano-layer Performance
Vacuum Evaporation · AF Coating

Precision
AF Engineering

Applying advanced Vacuum AS Coating to engineer low-surface-energy interfaces. Our process 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
Vacuum AS Coating Technology

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
Spray-On Layer Irregular clusters · High CoF
Untreated
SEM cross-section: Winson vacuum AS coating showing uniform nano-film with covalent bonding
Vacuum AS Nano-Film Uniform 12nm · CoF <0.05
Winson AF

Why CoF <0.05 matters: Vacuum evaporation achieves an atomically flat fluoropolymer layer that eliminates micro-scale asperities -- the root cause of tactile drag -- unreachable by spray-on methods.

Technical Video: Real-time Vacuum Deposition inside a 10^-5 Pa Chamber
Thermal Evaporation Process

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.

Substrate Solutions

Customized For Your Substrate

Sustainable performance engineered for high-traffic industrial environments.

AF Coating applied on cover glass for HMI panels

AF on Cover Glass

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

AF Coating on PC/PMMA optical plastic 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.

Medical-grade anti-bacterial AF coating for shared-use panels

Anti-Bacterial Hybrid

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

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. 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.

Engineered Surface Logic

Process Selection Matrix

Optimized 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

*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.

Cycles: >20,000
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.

Duration: 24H
// Integrity

Mechanical Adhesion

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

Tape: 3M 610
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.

Time: 48H-72H

ISO 9001 Certified · Shenzhen Manufacturing

Your Specs Deserve a Straight Answer, Not a Sales Pitch.

Send us your drawings or requirements. Iris and our engineering team will assess feasibility, flag real-world tolerance risks, and return a documented quote -- within 24 hours.

Glass prototyping: 10-15 days  ·  Plastic prototyping: 3-5 days  ·  100% inspection on every batch.

Expert Column · Sourcing Intelligence
Profile avatar

Iris

Chief Procurement Strategist · Winson Optics

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

WhatsApp Us
// Issue #07 -- The 10% Price Premium Question

"Same 115° Contact Angle. Completely Different Lifespan.
Here's What the Abrasion Data Actually Shows."

"A lot of buyers ask me: if both suppliers quote 115° contact angle, why is Winson's AF coating 10% more expensive? I always give the same answer -- I show them the 30,000-cycle steel wool abrasion test data. A cheap AF coating is essentially a consumable. It looks perfect on day one and degrades past the functional threshold around 2,000 rubs. Our AF is specified as a durable surface asset -- it retains above 105° contact angle after 24 hours of combined UV and acid-alkali stress exposure. That number isn't pulled from a spec sheet. It's the difference between a field warranty claim and a 5-year repeat order."

The Metric That Actually Matters

Contact angle retention rate after abrasion -- not the initial value. A curve of 115° → 108° after 30k cycles is operationally better than 115° → 68° every single time.

A Common Buyer's Trap

Vendors who only provide fresh samples are hiding the degradation curve. Always request 6-month field data or a post-test contact angle report at 20,000+ cycles before approving a supplier.

What We Ship With Every Batch

We only release product that passes our internal 30,000-cycle protocol. Every shipment includes a QC card with the post-abrasion contact angle result -- not just the initial coating spec.