Company demonstrates dielectric strength of conformal coatings by passing UL746E certification testing for HZO Guardian Plus™ Parylene C coating

HZO Waterproof Technology Featured on RIDIPAPER 4 eReader

HZO provides IPX8-rated protection on the new RIDIPAPER 4 – Korea’s first waterproof eReader.


HZO opened its doors August 2011 with a vision of keeping the world running with protective nanocoating solutions.

HZO WINS DELOITTE 2020 Technology Fast 500 AWARD

#3 in Electronic Devices/Hardware

#53 Overall


New Center of Excellence will address growing demand for next-generation product protection

PRISMVIEW and HZO Bring Reliability to Light

HZO was able to help PRISMVIEW increase customer satisfaction with its turnkey solution. HZO coated more electronic parts in 2019 than the previous eight years combined.

HZO is the global leader & innovator in protective solutions that keep the world running.

HZO delivers world-class nanocoating solutions that safeguard electronics, electrical products & critical applications in an ever-changing market. We work with some of the largest companies across industries from design through production, regardless of the volume, complexity, or protection required to deliver a more reliable, durable product.

Trusted Performance


Tested for up to 1,000
hours of submersion.


Millions of parts and
components coated.

Dependable Partnerships

No product returns
due to coating issues.


Locations around the
world to serve you.

Proven Capabilities

HZO Spectrum of Protection™

HZO’s Spectrum of Protection™ brings together a robust portfolio of materials capable of protecting sensitive circuitry and devices against a wide variety of environments and hazards. The materials used in our Spectrum of Protection™ are formulated as part of a specific recipe, bringing together the ideal process to meet the most demanding requirements, successfully life proofing your device, assembly, sub-assembly, or circuitry.

Our solutions include:

We can meet the protection level, budget, and manufacturing demands of your project on point, on time, every time.

a waterproof tablet being used underwater


When it comes to protecting your product’s printed circuit board and other sensitive components, we’ve got you covered! No one has advanced the science of coating technology further or faster than HZO. We offer a complete turnkey solution by bringing together dedicated people with deep domain knowledge, proven manufacturing processes, advanced nano coating materials, and the industry’s most state-of-the-art equipment, to create tailored solutions to meet customer requirements.

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Turnkey Solutions

Proven processes are the secret to what we do.
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Protection Capabilities

HZO’s solutions protect what matters most to you.
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Intellectual Property

Our proven performance is backed by over 370+ IP assets.
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Responsible Manufacturing

From clean coatings to preventing eWaste, HZO cares.
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HZO makes waterproofing our products easy. We don’t even have to think about it anymore as it’s just part of our development cycle now.”
- Ramesh Mantha,
 Vice President of Product - Rakuten Kobo

The Technology

As an original equipment or contract manufacturer (OEM or CM), you know that not all nano and conformal coatings are created equal. HZO is a step ahead of the market with innovations based on proven technology, advanced material science, IP protected processes, and world class people. Simply stated, we know how to get your job done most effectively, efficiently, consistently, and affordably. Within our Spectrum of Protection™ is a prescribed solution that solves your problem and protects your hard work. Whether you’re protecting 10 pieces or 10 million, we have the track record and know how to be your preferred partner in protection.

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Material Science

HZO answers what are conformal coatings and offers a variety of materials to meet your coating needs.

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Capital Equipment

Our coating equipment is designed and built in house to ensure precise protection.
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Coating Process

We’ve mastered the PCB coating process.


HZO works closely with Original Equipment Manufacturers (OEMs), Original Device Manufacturers (ODM) and Contract Manufacturers (CM) across diverse industries and offerings to deliver on a myriad of protection requirements.
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Consumer Electronics

For everything consumer electronics, we’ve got you covered.

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Making automotive and aerospace electronics more durable, reliable, and safer.

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Ensuring connected devices remain impervious to harsh conditions.
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Keeping your machines protected and your employees productive.

Technology Partnerships

Discover how HZO can protect your product

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