Your Professional Borosilicate Glass Ball Supplier
We have two factories to produce our balls , one is Located in Henan province (cover 10000 square meters and with more than 200 sets machines), another is located in Shandong province (cover 5000 square meters and with more than 50 sets machines).
As plastic ball supply ,we also produce (304 316 316L 440C 420C) stainless steel ball, brass copper ball,(soda-lime&borosilicate) glass ball,Ceramic ball ,Tungsten Carbide Ball, sattelite steel ball,Aluminum Balls . Sizefrom 0.3mm to 100mm Grade from G5 to G1000.
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![0.6mm Borosilicate Glass Ball]()
0.6mm Borosilicate Glass BallItem:0.6mm Borosilicate Glass Ballview more
Material:Soda Lime/Borosilicate glass
Size:φ1.0mm-25mm
Tolerance:±0.02mm/±0.002mm
Density:2.4g/cm3
Application:1. lotion pump,sprayer,roll on bottle,valves.
2. Children's toy... -
![Borosilicate Ball]()
Borosilicate BallBorosilicate Ball is a spherical body made of high borosilicate glass, a special glass material. Its density is approximately 2.23 g/cm³. The essence of high borosilicate glass is a borosilicate glass, and its key characteristic lies in...view more -
![Borosilicate Glass Spheres]()
Borosilicate Glass SpheresBorosilicate Glass Spheres is made from high borosilicate glass as the raw material. It is melted through heat to form a glass rod, then cut into a ball-shaped blank, and then undergoes a series of grinding, fine grinding, and polishing...view more
Certification
Thanks to our extensive experience, our qualified and dedicated employees and the implementation of systematic quality management, we are able to ensure consistently high product quality and let our factory already got ISO SGS ROHS REACH certificates.
Quality Assurance
Our technical engineer has over 30 years experience . After finished to produce balls, we will take sample balls from the batch are sent for final audit to check for surface roughness, roundness, waviness, lot size variation and hardness in a sophisticated laboratory, according to specified control plans and dock audit procedures. Once all requirements are met, a test certificate is then prepared for the customer.
Customization
Plastic balls can be customized with non-standard specifications, or with hole design ,color customization and Size customization.
If you need to customize other products, please state your requirements or provide drawings. We will have professional engineers provide you with professional services to meet your requirements.
Borosilicate Glass Ball
Borosilicate glass boasts high physical strength, durability, and corrosion resistance. Its material density is about 2.2 g/cm³, hardness is 6 – 7 Moh’s hardness, coefficient of thermal expansion is about 3.3×10-⁶/K, and strong resistance to thermal shock. It can be stabilized for a long time in a variety of chemical media, high temperature resistance: able to withstand high-temperature environments without being easily deformed or ruptured.
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Name |
Borosilicate glass balls |
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Diameter |
1-60mm |
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Grade |
G100 G200 |
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Brand |
Bell |
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Color |
Transparent /clear |
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MOQ |
100Pcs |
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Using |
Bottle cap, emulsion pump, valve, bearing, high precision test, etc |
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Transparent Grade |
Grade A |
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Package |
According client requests |
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Specification |
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Nominal Ball Diameters：0.4 – 50 mm |
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Maximum Allowable Deviation from Spherical Form (max)： < 0.25 μm |
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Maximum Allowable Variation of Ball Lot Diameter (max)：< 0.5 μm |
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Maximum Allowable Surface Roughness Ra (max)： < 0.02 μm |
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100% Under microscopic inspection before delivery. |
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Packing Method： |
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Physical Property |
|
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Corrosion Resistant |
Excellent |
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Wear Resistant |
Fair |
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Magnetism |
No |
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Technical Data |
|
|
Hardness |
Mohs 6 |
|
Density |
2.23 g/m3 |
|
Young’s Modulus |
64 GPa |
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Tensile Strength |
1900 – 2100 MPa |
|
Chemical Composition |
||||||
|
%SiO2 |
%Na2O |
%CaO |
%Al2O3 |
%B2O3 |
%K2O |
%BaO |
|
65.00-85.00 |
3.00-9.00 |
2.50 max |
1.00-5.00 |
8.00-15.00 |
2.00 max |
1.00 max |
Properties of Borosilicate Glass
Borosilicate glass has several unique properties that make it highly desirable for various applications. Some of the key properties of borosilicate glass include:
High thermal resistance
One of the primary properties of borosilicate glass is its high thermal resistance. It can withstand rapid temperature changes without breaking or cracking, making it suitable for applications that require exposure to high temperatures. Borosilicate glass is commonly used in laboratory glassware, where it is subjected to high temperatures during experiments and analysis.
Low thermal expansion
Borosilicate glass has a low coefficient of thermal expansion, which means it expands very little when subjected to changes in temperature. This property makes it highly resistant to thermal stress, and it can withstand rapid changes in temperature without breaking or cracking. Borosilicate glass is often used in applications where thermal stability is critical, such as in high-temperature industrial processes and scientific applications.
Chemical resistance
Borosilicate glass is highly resistant to chemicals, making it suitable for use in environments where it may come into contact with corrosive substances. This property makes it ideal for laboratory glassware, where it is commonly used in chemical reactions and storage of chemicals.
Transparency and clarity
Borosilicate glass has excellent transparency and clarity, allowing for clear visibility of contents inside glassware. This property makes it ideal for applications where visual observation is important, such as in laboratory experiments, cooking and baking, and art and decorative glass.
Strength and durability
Borosilicate glass is known for its strength and durability. It is resistant to breakage and can withstand rough handling, making it suitable for long-term use in various applications. This property also makes it a popular choice for glassware used in outdoor settings or for travel purposes.
Manufacturing Process of Borosilicate Glass
The manufacturing process of borosilicate glass involves several key steps, including melting, shaping, annealing, and additional processing. Let’s take a closer look at each of these steps:
Melting
The first step in manufacturing borosilicate glass is the melting of raw materials. High-quality raw materials, including silica (SiO2), boron oxide (B2O3), and other materials such as alumina, soda ash, and lime, are carefully measured and mixed in specific proportions to achieve the desired composition. The mixture is then loaded into a high-temperature furnace, typically fueled by natural gas or electricity, and heated to temperatures exceeding 1500°C (2732°F) to form a molten liquid.
The melting process is crucial, as it determines the quality and properties of the final glass product. The temperature and duration of the melting process are carefully controlled to ensure complete melting and homogenization of the glass melt.
Shaping
Once the glass melt is fully liquefied, it is ready for shaping. There are several methods used for shaping borosilicate glass, including blowing, pressing, and casting.
Blowing: In the blowing method, the molten glass is gathered on the end of a blowpipe, and the glassblower shapes it using various tools and techniques. The glassblower can create a wide range of shapes and sizes, from simple glassware like beakers and test tubes to complex scientific apparatus and artistic glass sculptures.
Pressing: In the pressing method, the molten glass is poured into a mold and pressed into the desired shape using a plunger or press. This method is often used for mass production of glassware with consistent shapes and sizes.
Casting: In the casting method, the molten glass is poured into a mold and allowed to solidify before the mold is removed. This method is used for creating intricate and detailed glass objects, such as glass lenses and optical components.
Annealing
After shaping, the glassware is carefully cooled to room temperature in a process called annealing. Annealing is a critical step that involves controlled cooling to relieve internal stresses and improve the strength and durability of the glassware. The cooling rate and duration of the annealing process are carefully controlled to avoid rapid temperature changes that can cause the glass to crack or shatter.
Additional Processing
Depending on the specific requirements of the glassware, additional processing steps may be performed. These can include polishing, cutting, coating, and other treatments to achieve desired properties or finishes. For example, glassware used in scientific laboratories may undergo additional processes such as calibration, sterilization, or surface treatments to enhance its performance and durability.
Quality Control
Quality control is a crucial part of the manufacturing process of borosilicate glass. Throughout the entire process, rigorous quality checks are performed to ensure that the glass meets the desired specifications and standards. This includes monitoring the composition of the glass melt, inspecting the shapes and sizes of the glassware, testing for thermal resistance, and conducting various physical and chemical tests to verify the properties of the glass.
Customized Process:
1st Step:
Show your requirements.
2ndStep:
We try to understand the conception and pattern from you with sample draft or refer picture.
3st Step:
Offer the quotation after confirm the design, material and surface treatment.
4st Step:
Made the sample for approval.
5st Step:
Arrange production after deposit received.
6st Step:
Arrange shipment after receiving final payment.
7st Step:
The goods are shipped.
8st Step:
You receive the goods.
FAQ
We're well-known as one of the leading borosilicate glass ball manufacturers and suppliers in China. Our products are highly appreciated in both domestic and overseas market. Please rest assured to wholesale custom made borosilicate glass ball from our factory.
2mm Glass Ball, spherical glass ball, decorative glass orbs
