An Ultra-thin & Optically Transparent Barrier Coating Solution
GVD’s Multilayer Barrier coating provides increased level of protection against corrosion or contamination, by serving as a universal barrier against the ingress of gases (e.g. oxygen, water vapor, hydrogen, acids) and liquids. The coating can provide similar water vapor and oxygen transport reductions as metallized films with much higher optical transparency, to a variety of flexible and rigid substrates.
- High performing gas transport barrier with no added mass and minimal added thickness (<2 microns). Superior to parylene and comparable to metallized polymer film.
- Suitable for delicate substrates and flexible substrates
- Optically transparent down to 200 nm.
- Barrier performance achieved with minimal thickness (2 microns or less) and fully conformal.
Competitive Comparison
| Coating Type Property | Water vapor transmission rate (85% humidity) | Oxygen transmission rate | UV transmission 350 nm | Conformality |
|---|---|---|---|---|
| GVD Barrier (2 microns) |
0.38 g /m2/day | 1.8cc/m2/day | 90% | |
| Parylene | 0.75 g /m2/day (Parylene C @ 25 microns) |
110 cc /m2/day (Parylene C @ 25 microns) |
50% (Parylene N/C) |
(Parylene N/C) |
| Metallized PET | 0.75 g /m2/day 0.1 g /m2/day |
0.9 cc/m2/day | <5% | Not possible |
Multilayer Barrier Coating can be Utilized in:
Food Packaging
Flexible Electronics
Thin-film Solar Cells
Printed Circuit Boards
Parts That Would be Damaged by Excessive Moisture
Flexible Electronics
Thin-film Solar Cells
Printed Circuit Boards
Parts That Would be Damaged by Excessive Moisture
GVD Helps You Move Quickly From Evaluation to Production
When you choose GVD for your project, you’ll work directly with our coating specialists for R&D collaboration through to production-scale coating services. Our coating service is scalable to fit your requirements from the evaluation phase through to high volume manufacturing.
Evaluate
Test different coating technologies and processes on a small number of units.
Validate
Coat engineering volumes for in-depth evaluation.
Scale
GVD can quickly scale up our coating services for production volumes.
Multilayer Barrier FAQs
The coating system is likely to be stable up to 200 degrees C.
Substrate temperatures are maintained near room temperature during the coating process.
Yes!
I’d like to discuss how Multilayer Barrier can help us provide protection against the ingress of gas & moisture
I’d like to discuss how Multilayer Barrier can help us provide protection against the ingress of gas & moisture
