Overview of Hollow Glass Beads

Hollow glass beads, also known as glass microspheres or hollow glass spheres, are tiny, spherical objects made primarily of borosilicate glass. They are characterized by their hollow interiors and thin outer shells. These properties make them lightweight yet strong, which contributes to their widespread use across various industries.

Features of Hollow Glass Beads

Lightweight: Due to their hollow structure, these beads have a low density, making them extremely lightweight. This feature is beneficial in applications where weight reduction is critical, such as in aerospace and automotive industries.

High Compressive Strength: Despite being lightweight, hollow glass beads exhibit high compressive strength. This makes them suitable for use in composite materials that require durability and resistance to pressure.

Chemical Stability: These beads are chemically inert, meaning they do not react with most chemicals. This property is advantageous in environments where chemical exposure is common, ensuring long-term stability and performance.

Thermal Insulation: Hollow glass beads provide excellent thermal insulation due to the trapped air within their hollow centers. This characteristic makes them ideal for use in construction and insulation products.

Low Thermal Conductivity: Their ability to resist heat transfer makes them useful in applications requiring temperature control or resistance.

Optical Properties: Depending on their composition and size, hollow glass beads can have interesting optical properties, including light reflection and refraction, making them useful in reflective coatings and retroreflective materials.

(20mm hand blown clear hollow round glass spheres for jewelry)

Specification of 20mm hand blown clear hollow round glass spheres for jewelry

These 20mm glass spheres are made for jewelry. They are hand blown by skilled people. Each sphere is perfectly round. The size is 20 millimeters across. That’s about the size of a large bead. It works well for pendants or earrings. The glass is crystal clear. You can see right through it. Light passes through easily. This makes them sparkle nicely. They are hollow inside. This keeps them light. Heavy jewelry isn’t comfortable. These feel good to wear. The surface is very smooth. There are no rough spots. The finish is high quality. It looks professional. Each sphere is a separate piece. No two are exactly alike. That’s the nature of handmade items. Small variations add character. The glass is strong. It can handle normal wear. Avoid hard knocks obviously. Glass can break if hit hard. The weight is low. Hollow glass is lighter than solid glass. Necklaces stay comfortable longer. Earrings don’t pull on your ears. These spheres are very versatile. Designers love using them. They fit many jewelry styles. Simple designs look elegant. Complex designs gain interest. The clear color matches everything. Silver, gold, or leather all work. They come packed carefully. We protect them from damage. Each sphere is ready for your creativity. Use them in your next project.

(20mm hand blown clear hollow round glass spheres for jewelry)

Applications of 20mm hand blown clear hollow round glass spheres for jewelry

These 20mm hand-blown clear hollow glass spheres are special. Craftsmen make them individually. This method gives each sphere a unique charm. You see the slight variations. These differences are appealing. The spheres are transparent. Light passes through beautifully. They catch reflections. They sparkle. This effect is perfect for jewelry. The hollow design is important. It makes the spheres very light. Wearing them feels comfortable. Large pieces stay easy to wear.

Jewelry designers find many uses for these spheres. They are popular as pendants. A single sphere makes a striking centerpiece. It hangs gracefully from a chain. It can be set simply. It can be wrapped with wire for security. The clear glass looks elegant alone. It also pairs well with gems or metals. Designers layer them. They combine sizes. They create texture and interest. These spheres work well in earrings too. Their lightness is a big plus. Large earrings stay comfortable. They dangle nicely. They move with the wearer. They catch the light from different angles.

People use these spheres in bracelets also. They string them together. They mix them with other beads. The clear glass adds brightness. It gives an open feel. It complements different styles. It fits boho looks. It fits modern designs. These spheres are versatile. They can be the main focus. They can be supporting elements. Their size is noticeable. It is big enough to be seen. It is not overwhelming. The hollow center helps. It keeps the piece wearable. Designers appreciate this balance. They create beautiful, practical jewelry. Customers enjoy wearing these pieces. They feel special. They look unique.

Company Introduction

Welcome to Psp-Vault, a trusted global supplier of high-quality Hollow microspheres renowned for its exceptional purity and performance. Established with a vision to deliver cutting-edge materials that meet the diverse needs of modern industries, we have positioned ourselves as a leading player in the international market.

Our Hollow microspheres find applications across multiple sectors, including adhesives, coatings, pharmaceuticals, cosmetics, polymers, and electronics. Each application benefits from the unique properties of our products—high surface area, excellent thixotropy, chemical inertness, and superior reinforcement capabilities. Whether you need hydrophilic or hydrophobic variants, we offer tailored solutions to meet your specific requirements.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of 20mm hand blown clear hollow round glass spheres for jewelry

What size are these glass spheres?
They are 20 millimeters wide. This is about the size of a large grape. They are a popular choice for statement jewelry pieces.

Are they solid or hollow?
These spheres are hollow. Skilled artisans blow them by hand. This creates a thin, clear glass wall. Hollow spheres are lighter than solid ones. That makes them more comfortable to wear.

How strong are these glass spheres?
Glass can break if dropped or hit hard. Handle them carefully. They are fine for normal jewelry use. Think earrings, pendants, necklaces. Avoid using them in bracelets or rings. Those get knocked around more.

Are they safe for skin?
Yes, absolutely. We use lead-free clear glass. It is non-toxic. It won’t irritate your skin. It’s safe for everyday jewelry wear.

How heavy are they?
Hollow spheres are surprisingly light. A 20mm sphere weighs very little. You won’t feel weighed down wearing them. This is good for earrings especially.

How are they packed for shipping?
Each sphere is wrapped carefully in protective material. We pack them securely in boxes. This prevents damage during transit. Your order arrives safely.

How do I care for glass jewelry?
Glass jewelry needs gentle care. Avoid dropping it or knocking it hard. Clean it with mild soap and warm water. Dry it with a soft cloth. Keep it away from harsh chemicals. Store it safely when not wearing it.

(20mm hand blown clear hollow round glass spheres for jewelry)