Core Principle
The Westglass Photochromic Film Series is an intelligent light-control product that combines cutting-edge technology with practical functionality. Its core lies in special photochromic molecules within the film, which undergo reversible structural changes in response to ambient sunlight intensity—enabling dynamic adjustment of light transmittance and color.
Using high-vacuum sputtering and high-precision nano-coating technologies, the film automatically alters molecular density based on light and heat levels to precisely regulate transmittance and thermal blocking efficiency. This technology allows it to block 99%–100% of UV rays and 80%–99% of infrared rays, providing full-spectrum protection: shielding skin from sun damage (sunburn, tanning, and related health risks), preserving interiors from UV-induced fading/aging, and significantly reducing energy consumption. Ideal for natural light control in automotive, marine, architectural windows, and skylights, it sets a new standard for adaptive light management.
Why Choose Westglass?
1. Core Technological Edge
- Specializing in single-silver and dual-silver photochromic films, we hold patented technology for our blue-series GD Series and offer custom black-series VB Series and pure ceramic photochromic films to meet diverse scenario requirements—from commercial buildings to high-end automotive applications.
2. Superior Performance Metrics
- Ultra-Wide Color Transition: Adjusts visible light transmittance across 75%–20%—a range far exceeding industry standards for unmatched adaptability to all-day lighting changes.
- Long-Lasting Durability: Passes rigorous weather resistance testing, maintaining stable color-changing performance for 5+ years with no degradation, ensuring long-term reliability.
3. Fully Customizable Solutions
- Branding & Sizing: Tailor packaging, print exclusive logos, and customize width (standard: 30m/60m*1.52m, adjustable) to align with brand identity and installation needs.
- Technical Parameter Customization: Offer bespoke transmittance, thickness, and composite structure for adhesive films, dual-triple silver variants, and pure nano-ceramic solutions—perfect for OEM/ODM partnerships.
Core Advantages
1. Intelligent Adaptive Regulation System
- Smart Light Management:
- No manual intervention or power required—the film real-time senses ambient light changes, darkening in bright conditions to block glare and UV rays (UV blocking ≥99%) for eye comfort and skin protection, while restoring high clarity in low light for unobstructed natural light intake.
- Precision Thermal Control:
- Blocks ≥80% infrared rays to reduce indoor heat load, delivering 30%+ energy savings by cutting AC usage—proven in real-world tests for green, efficient spaces.
2. Optical Clarity & Color Fidelity
- Crystal-Clear Vision:
- Maintains zero distortion or blur in all transmittance states, ensuring sharp visuals whether fully transparent or dimmed—ideal for uninterrupted views in any light.
- True Color Representation:
- Perfectly preserves object colors without alteration, maintaining the authenticity of indoor decor and outdoor scenery for a natural visual experience.
3. Multi-Functional Design
- Privacy & Transparency Balance:
- Dynamic shading enhances privacy in building curtain walls and vehicle windows while allowing controlled light entry, adapting to both daytime glare and nighttime seclusion needs.
- Safety Reinforcement:
- Combined with PVB lamination, strengthens glass impact resistance, delaying breakage and bonding fragments to reduce splash risks—meeting strict explosion-proof safety standards for reliable protection.
4. Durability & Eco-Friendliness
- Long Service Life:
- Innovative single-silver + nano-ceramic composition resists high temperatures and aging, with 5+ years of stable color-changing performance—maintaining appearance and functionality over time.
- Green & Safe:
- Complies with international safety standards, emitting zero volatile organic compounds (VOCs)—safe for indoor use, with custom outdoor formulations available for special environments.
5. Effortless Installation
- Quick, professional installation with minimal modifications to existing structures, ensuring minimal disruption to daily life or work—enjoy smart light control with ease.
Application Scenarios
1. Architecture
- Curtain Walls, Skylights & Windows: Optimizes natural light, reduces AC energy use, and enhances comfort in green buildings—creating eco-friendly indoor spaces with adaptive light control.
2. Transportation
- Car & Marine Windows: Reduces driver visual fatigue from sudden light changes, improves heat insulation, and enhances safety and comfort for a smoother, more enjoyable journey.
Experience the future of intelligent light control with Westglass—where technology meets sustainability.
Contact us today for custom solutions—engineered for performance, durability, and seamless integration.
Westglass Photochromic Film Technical Parameters
Items | Thickness | VLT | IR R | UV R |
Before | After | Before | After | Before | After |
GD45 | 4 mil | 45% | 16% | 86% | 89% | 100% | 100% |
GD55 Double Silver + | 4.5 mil | 54% | 18% | 99% | 99.5% | 100% | 100% |
GD75 | 3.5 mil | 75% | 22% | 93% | 95% | 100% | 100% |
VB15 | 5 mil | 14% | 5% | 95% | 97% | 100% | 100% |
VB75 Double Silver - | 4 mil | 73% | 22% | 92% | 95% | 99.9% | 100% |
VB75 Single Silver | 4 mil | 71% | 19% | 93% | 94% | 99.9% | 100% |
Material | Single Silver Magnetron Sputtering Film |
OEM | Double Silver, Multi-layer Silver, Non-adhesive Magnetron Sputtering Film And Pure Nano Ceramic Film |
Roll Size | 1.52*30 m |
Note | For free samples and more detailed parameters, please contact customer service to obtain them |
Case Studies


Product Packaging


Accepted Delivery Terms
FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES, and more.
About Westglass:
Westglass specializes in manufacturing and exporting automotive paint protection film (PPF), smart films, intelligent glass, photochromic films, automotive window films, and related products. Our solutions are exported to 50+ countries renowned for superior quality, competitive pricing, and exceptional after-sales service.
Let us be your trusted partner in smart glazing and protective film solutions!
Contact Us
Sales Manager : Cherry Chi
Email : westglass@sdwestglass.com
Mob / WhatsApp / WeChat : +86 15553820372
Connect with us today for tailored solutions and global logistics support!