Why Zweko is the right partner for visors and ballistic glazing in defense and security

Written by Content on 1 October 2025. Posted in Geen onderdeel van een categorie.

Why Zweko is the right partner for visors and ballistic glazing in defense and security

In defense and security, protection and visibility are crucial. Soldiers, police officers, and security personnel rely on equipment that keeps them safe while ensuring a clear field of vision in every situation. That’s why leading defense organizations trust Zweko for advanced visors and ballistic glazing solutions.

Did you know: Zweko Optics was present at the DSEI exhibition in London this year? This is one of the world’s most prestigious events for defense and security. We not only gained insights into the latest innovations in our industry, but also held discussions with laminators of ballistic glazing and helmet manufacturers about the integration of our visors. These constructive conversations led to promising collaboration opportunities and the further development of customized solutions for defense applications.

High-performance visors: protection meets clarity

A visor should never force you to choose between safety and performance. Zweko visors are designed to provide:

Superior impact resistance against threats and flying debris.
Optical clarity with scratch-resistant and/or anti-fog coatings that ensure visibility in dust, rain, and extreme temperatures.
Comfort and usability, allowing operators to stay fully focused on the mission without distraction.

From combat helmets to face protection for special forces units, Zweko visors stand for unmatched reliability in the field.

Did you know: At Zweko Optics we recently developed two new innovative visors? First, we created visors for a safety helmet that slide seamlessly into the helmet rather than being mounted on top (left). On the right, we developed visors for aircraft carrier crew helmets, featuring a high-quality scratch-resistant and anti-fog pinlock insert.

Ballistic and safety glazing for vehicles and infrastructure

In armored vehicles, guard posts, and critical facilities, glazing is often the first line of defense. Zweko’s ballistic and safety glazing is engineered to:

Withstand ballistic impacts without compromising structural integrity.
Ensure clear visibility for rapid and accurate decision-making.
Increase durability with advanced protective ViewTec coatings.

Our coated polycarbonate sheets provide operators with both protection and confidence, supporting mission success without compromising situational awareness.

Did you know: At Zweko Optics we developed an in-house coating that scores nearly perfect on ballistic performance? It’s called ViewTec AGR abrasion resistant coating. This coating delivered outstanding results in multiple tests. Read more about it here.

Tailored solutions for every mission

Every mission comes with unique challenges. That’s why Zweko works closely with defense and security organizations to develop customized visors and glazing, from mobile armored units to static protection systems. All products are rigorously tested to meet or even exceed international defense standards.

A trusted defense partner

With modern cleanroom facilities, advanced coating technologies, and decades of optical expertise, Zweko guarantees consistency and reliability. Defense and security organizations trust us because we combine safety, clarity, and durability in every solution.

Did you know: Our cleanroom at Zweko Optics controls every single detail?

Dust-free start: every part is carefully cleaned.
Smart coating: we apply techniques such as spin, dip, flow, and spray coating.
Perfect curing: with ovens or UV lamps, we apply both renowned industrial coatings (such as Momentive) and our own ViewTec™ coatings.
Strict quality checks: adhesion, optics, and functionality are always verified before packaging.
And the best part? Thanks to automation, we can coat series ranging from hundreds to tens of thousands of pieces. Efficient, reliable, and fully customized.

Conclusion

In high-risk environments, the right visor or glazing can mean the difference between vulnerability and protection. Zweko delivers proven optical solutions that safeguard both personnel and equipment, while maintaining maximum visibility. With Zweko Optics, you gain a partner fully committed to mission success.

Transparent thermoplastic sheet materials: the smart alternative to glass.

Written by Content on 28 August 2025. Posted in Geen onderdeel van een categorie.

Transparent thermoplastic sheet materials: the smart alternative to glass.

Why polycarbonate, PMMA, PETG and other thermoplastics often perform better than glass. Lighter, more impact-resistant and more energy-efficient.

When considering transparent materials for glazing or protection, glass is often the first choice. However, transparent thermoplastic sheets offer clear advantages in many applications.

At Zweko Optics, we work with high-quality plastics such as polycarbonate (PC), polymethyl methacrylate (PMMA), PETG, SAN and APET on a daily basis to create solutions for visors, protective screens and optical components.

But which material is best suited to your application? We compare the properties of glass and thermoplastics for you. Discover why plastics are often a smarter alternative.

Is glass or plastic better for my application?

Glass is known for its hardness, scratch resistance and chemical stability, making it a good choice for architecture and outdoor applications. What is the disadvantage of glass? It is heavy, fragile and difficult to work with. Thermoplastics, on the other hand, are lighter, more impact-resistant and easier to shape or process.

Figure 1. Stress/strain curves for glass (left) and polycarbonate (right).

Polycarbonate (PC) is known for its unrivalled impact resistance and is often used in safety glazing and visors. PMMA, better known as acrylic (or under the brand name Plexiglas®), excels in clarity and gloss, making it ideal for applications where optical quality is paramount. PETG combines clarity with chemical resistance and is often chosen in medical or industrial environments where regular cleaning and disinfection are required. Materials such as SAN and APET also have specific advantages, from lightweight industrial windows to moisture-resistant solutions for refrigerated display cases.

What are the advantages of SAN in sectional doors?

Styrene Acrylonitrile, better known as SAN, is a thermoplastic that stands out for its high rigidity combined with low weight. These properties make it particularly suitable for windows in sectional doors.

Thanks to its transparency, SAN creates a sleek, modern look. Its light weight also means that the door construction is subjected to less stress than with glass, resulting in less wear and tear on the motor and hinges and increasing the service life of the system.

In addition, SAN is highly resistant to temperature fluctuations and retains its dimensional stability, which contributes to the durability of sectional door applications. This makes it a smart alternative to glass that offers both aesthetic and practical advantages.

What is the best material for visors?

One of the most frequently asked questions is: ‘What is the best material for visors or protective goggles?’

1 | Polycarbonate for personal protective equipment

Polycarbonate (PC) is the number one choice for visors thanks to its extremely high impact resistance. It can absorb hard impacts without breaking, making it ideal for helmets, face protection and safety glasses.

2 | Acrylic for optical quality

PMMA (acrylic) offers the highest light transmission and a luxurious shine, but is less impact resistant. It is often chosen for applications where optical quality is more important than impact resistance.

3 | PETG for chemical resistance

PETG is strong, clear and chemically resistant. It is also easy to mould, which is useful in medical or industrial environments where regular cleaning is required.

Why choose thermoplastics over glass?

Those who prioritise safety, weight and flexibility usually opt for thermoplastics. They are about half the weight of glass and can be processed at much lower temperatures, which makes production easier and more energy efficient.

Glass is simply not an option for visors: it would be too heavy and too fragile to guarantee comfort and safety. Plastics such as polycarbonate, on the other hand, offer the necessary protection and comfort of use.

At Zweko Optics, we can further improve these materials with our in-house coatings that provide scratch resistance, UV protection and extra durability.

How do you choose the right material?

The choice of the right thermoplastic sheet material depends on three important selection criteria: density, toughness and processing temperature. Glass has a density of approximately 2.5 g/cm³, more than twice as heavy as most thermoplastics, which are around 1.2 g/cm³.

For applications where weight is a factor, such as in vehicles, cabins or portable protective equipment, plastic is therefore often the better choice. Thermoplastics also score better in terms of toughness. Polycarbonate can withstand much higher impacts than glass, which means it can even be used for burglar-proof or bullet-proof applications.

Finally, processing temperature plays a role. Glass requires temperatures above 500°C to be formed, while thermoplastics can be processed at much lower temperatures. This saves energy and makes production more efficient and flexible.

Figure 2. Values of standard transparent thermoplastic materials

Source: Vegt, van der, A. K., & Govaert, L. E. (2003). Polymers: from chain to plastic
* Chemical resistance on pure material, without coating and compared to glass on acids, alkalis and organic solvents.
** Outdoor resistance on pure material, without coating or co-extruded cover layers and compared to glass
1) Extruded sheet of PMMA
2) Cast sheet of PMMA
Young’s modulus, tensile strength and elongation at break measured according to ISO 527
Notch impact measured according to ISO 180/1A
LOI = oxygen limit index according to ASTM D2863
Pencil hardness measured according to ASTM D3363

How does Zweko enhance the performance of thermoplastics?

In addition to the basic performance of the material, at Zweko Optics we can further improve its properties by applying in-house ViewTec coatings. These coatings increase scratch resistance, improve chemical resistance and offer UV protection. As a result, transparent thermoplastic sheets last longer and perform even better in demanding conditions, such as outdoor use or intensive cleaning.

Costs and the environment: are thermoplastics a more sustainable alternative?

At first glance, glass appears to be cheaper per kilogram than plastics, but when you look at the total life cycle, thermoplastics are often more cost-efficient. Their lower weight allows for lighter constructions and easier installation. Production is more energy-efficient thanks to lower processing temperatures.

Due to their higher impact resistance and longer service life, thermoplastics need to be replaced less often. In addition, recycling plastics requires less energy than recycling glass, which reduces the environmental impact.

Conclusion: which material is right for your project?

Transparent thermoplastic sheets such as polycarbonate, PMMA and PETG are versatile and cost-effective alternatives to glass. Their light weight, impact resistance and ease of processing make them the ideal choice for visors, safety glazing and optical applications.

If you are wondering, ‘Which material is best for my visor or protective application?’, the answer is clear: thermoplastics combine safety, performance and flexibility in a way that glass can never match.

With Zweko Optics’ expertise in coatings and processing, we go one step further and create materials that really make a difference.

Curious about which material best suits your project? Contact our specialists; we are happy to help you find the right solution.

From idea to perfect visor: How prototypes make the difference at Zweko

Written by Content on 6 May 2025. Posted in Geen onderdeel van een categorie.

From idea to perfect visor: How prototypes make the difference at Zweko

At Zweko Optics, everything revolves around precision, collaboration, and innovation. Developing a visor is a process where every millimeter counts. That’s why, when working on new designs, we focus heavily on prototyping, we don’t just jump from drawing to production. Instead, we follow a carefully planned process that starts with a digital model and ends with a perfectly fitting visor made from the right material, completely tailored to the wishes of our customer.

Collaboration from the first design

When a customer approaches us with an idea or a technical drawing of a visor, we see that as the starting point of an intensive collaboration. Rather than blindly following the plans, we examine everything thoroughly and with a critical eye. Thanks to the expertise of our R&D team, we think along about potential improvements: Can the design be more compact? Is the mounting sufficiently robust? Are all the cutouts correctly placed?

We strongly believe in this collaboration, because the better the preparation, the stronger the end product.

The visor: More than just a functional component

A visor is much more than just protection or functionality. It largely defines the appearance of the helmet, whether it’s a sporty look, a rugged safety helmet, or an ergonomic design for industrial use. The shape, fit, and finish of the visor are crucial for both aesthetics and compatibility.

That’s why we use our unique forming technology at Zweko. It enables us to produce even complexly shaped visors that fit seamlessly onto the helmet. Whether it’s round shapes, sharp angles, or specific fittings: we ensure that the visor not only fits but also forms a visual unity with the helmet.

The first step in our prototyping process is digitally analyzing the 3D model. We examine the design in detail on the computer and check whether everything is technically feasible. If necessary, we propose improvements or adjustments so the design fits the intended use and production capabilities perfectly.

Once the digital model is ready and approved, we produce a 3D-printed prototype. This tangible model gives our team the opportunity to evaluate the design in real life. We can check if the visor fits correctly, if it is ergonomic, and if the design meets expectations. The big advantage of this step? Any errors are detected before the visor is made in its final form, avoiding unnecessary costs.

A 3D print is simply much more powerful than a drawing: it’s tangible, realistic, and allows for quick decision-making.

Once the 3D-printed prototype is approved, we begin the next phase: the visor is produced in the material of the customer’s choice. Here, we take into account the technical properties, applications, and durability requirements of the product. Thanks to the preceding process, we can confidently create the first samples, knowing the design is spot-on.

Again, we maintain close consultation with the customer to ensure the final result fully meets expectations.

Efficient, fast, and cost-saving prototyping for visors

Our entire prototyping process, from design review to producing the first samples, is typically completed within four weeks. That’s fast, but without compromising on quality or precision. Our approach prevents errors, avoids waste of materials and time, and ensures that the visor is correct from the very first series.

Conclusion: The power of a good prototype for visors

At Zweko, it’s about more than just manufacturing, we’re building quality together. Thanks to our structured prototyping process with digital modeling, 3D printing, and precise follow-up, we deliver visors that are perfect down to the smallest detail. Each prototype is a step closer to a flawless final product and an investment in efficiency and customer satisfaction.

Zweko Optics. From digital idea to perfect visor, exactly the way you want it.

Why high-quality visors are essential for PPE – And why Zweko Optics is the right choice

Written by Content on 11 March 2025. Posted in Geen onderdeel van een categorie.

Why high-quality visors are essential for PPE – And why Zweko Optics is the right choice

In industries such as chemical processing, metalworking, healthcare, and firefighting, personal protective equipment (PPE) is crucial for ensuring worker safety and well-being. A key component of PPE is facial protection, where visors play a vital role. These visors not only shield against flying debris, chemical splashes, and extreme temperatures but also protect against additional hazards like vapor buildup and wear over time.

At Zweko Optics, we specialize in manufacturing custom visors, with or without coatings, for various PPE suppliers. Our products are used across multiple industries, providing tailor-made solutions that meet the most stringent safety standards.

The importance of high-quality visors in PPE

Visors are more than just a protective barrier; they are an integral part of daily operations for professionals working in high-risk environments. To be truly effective, visors must offer a combination of safety, durability, and ease of use.

Protection against physical hazards: Visors safeguard the face from flying particles, chemical splashes, and heat exposure. Without this essential protection, workers are at significant risk of serious injury.
Clear visibility: In high-risk situations where quick decision-making is critical, an unobstructed view is essential. Scratches or fogging on a visor can impair visibility and lead to unsafe conditions.
Durability and reliability: A visor that withstands wear and chemical exposure not only ensures long-lasting protection but also provides a cost-effective solution over time.

Coatings That Make a Difference

To meet the unique demands of different industries, our visors can be enhanced with specialized coatings. These advanced technologies significantly improve visor functionality and performance:

Anti-scratch coating: Our abrasion-resistant coating ensures that visors remain clear and durable, even after extensive use, extending their lifespan and maintaining optimal visibility.
Anti-fog coating: Fogging is a common issue, particularly in warm or humid conditions. Our anti-fog coatings prevent condensation buildup, ensuring professionals always have a clear line of sight, regardless of their environment.
Chemical-resistant coating: In industries such as chemical manufacturing, visors are frequently exposed to aggressive substances. Our coatings offer superior resistance against chemical degradation, guaranteeing consistent protection.

Premium-quality materials

At Zweko Optics, we use only high-quality materials that comply with the strictest safety regulations. One example is PPSU (Polyphenylsulfone), a material known for its outstanding heat resistance and durability. PPSU visors are ideal for demanding applications such as firefighting, where extreme temperatures pose a constant challenge.

Custom solutions for various industries

One of our key strengths is our flexibility in customization. We manufacture visors in various shapes and sizes, tailored to the exact specifications of our clients. Whether for respiratory masks, protective helmets, or specialized applications, our solutions are designed to meet the unique demands of each sector.

Additionally, we collaborate with leading PPE suppliers whose industries include:

Healthcare: Visors for medical professionals offering protection against infectious agents.
Chemical industry: Chemically resistant visors for laboratories and production environments.
Firefighting: Heat-resistant visors made from durable materials like PPSU.
Industrial manufacturing: Highly scratch-resistant visors designed for use in harsh conditions.

Why choose Zweko Optics?

With over 30 years of expertise in plastics processing and advanced coating technologies, Zweko Optics delivers products that meet the highest quality standards. Our in-house coating line allows us to maintain full control over production, ensuring fast delivery times and consistent quality.

We recognize that every application is unique. That’s why we work closely with our clients to develop custom visors that align perfectly with their specific needs. Our visors are not just functional. They are durable, cost-efficient, and designed to provide maximum protection.

Conclusion

Selecting the right visors is essential for ensuring worker safety and efficiency in hazardous environments. At Zweko Optics, we provide top-tier, custom-made solutions with innovative coatings that make a real difference. By investing in our visors, you’re investing in the protection and well-being of your workforce, and securing a safer future for your business.

Want to learn more about what we can do for your organization? Contact us today and explore the possibilities.

Tag: Personal Protection Equipment