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Soda Lime Glass Balls are economical precision glass balls produced from soda-lime silicate glass, the most common glass family used in industrial and consumer components. They are selected when buyers need a hard, clean, non-magnetic and electrically insulating spherical component with good corrosion resistance and stable appearance.

Compared with metal balls, soda lime glass balls are non-conductive, non-magnetic and corrosion resistant in many compatible environments. Compared with plastic balls, they offer higher hardness, better dimensional stability and a smooth glass surface. Compared with borosilicate glass balls, soda lime glass balls are usually the more economical option, but they have lower thermal shock resistance and should not be selected for severe temperature cycling or high-temperature laboratory conditions.

Material Selection & Technical Positioning

The correct industry terminology includes soda lime glass balls, soda-lime glass spheres, soda-lime silicate glass balls, precision glass balls, colored glass balls and glass balls for check valves or flow meters. This product should not be positioned as bearing-grade steel balls, ceramic balls or high-temperature borosilicate balls.

Soda lime glass is suitable for cost-sensitive valve, pump, instrument, packaging and decorative applications where corrosion resistance, insulation and smooth surface quality are important. For high thermal shock, high operating temperature, strong chemical exposure, high load or severe abrasion, SDBALLS should recommend borosilicate glass, ceramic balls, stainless steel balls or other materials according to the working environment.

Технические характеристики

Technical Item	Recommended Page Content
Диаметр	2.0 mm – 100.00 mm; other sizes subject to production confirmation
Прецизионный класс	G100 / G200 / G500 / G1000 ;selected according to application and cost target
Твердость	Mohs 6 typical reference
Плотность	Approx. 2.4-2.6 g/cm3
Young’s Modulus	Approx. 70 GPa reference value for soda-lime glass
Отделка поверхности	Polished, glossy, matte or colored finish depending on project requirement
Color Options	Clear, green, dark blue, sky blue, red, black, yellow and customized colors
Electrical Behavior	Insulating; non-conductive
Магнетизм	Non-magnetic
Corrosion Behavior	Excellent corrosion resistance in many compatible media; application environment should be confirmed
Usage Limitation	Not recommended for strong mechanical shock, high thermal shock or severe abrasive conditions

Chemical Composition Reference

Component	Typical / Reference Range
SiO2	63.00-81.00%
Na2O	9.00-15.00%
CaO	7.00-14.00%
MgO	6.00% max
Al2O3	2.00% max
Li2O	2.00% max
K2O	1.50% max
TiO2	0.80% max
Fe2O3	0.80% max
PbO	0.010% max

Note: Composition ranges are reference values for product-page use. Final material specification should follow the agreed purchase order, drawing or supplier specification.

Mechanical, Electrical & Chemical Performance

Soda lime glass balls combine a hard glass surface, low liquid absorption and excellent electrical insulation. Mohs hardness around 6 supports use in many light mechanical and instrument assemblies, while the non-magnetic and non-conductive nature makes them suitable for measurement and control equipment where steel balls may interfere with electrical or magnetic performance.

The product is chemically stable in many compatible media and is often used in valves, metering systems and packaging components. However, soda lime glass is a brittle material and should not be used where high impact, heavy shock loading, strong thermal shock or severe abrasive media are present. Application conditions should be confirmed before selection.

Applications & Application Fit

Приложение	Fit Level	Why It Fits	Buyer Note
Economical check valves	Very good	Non-magnetic, corrosion resistant and responsive in light valve assemblies	Confirm media compatibility, sealing design and ball grade
Metering pumps and dosing systems	Very good	Smooth glass surface and stable geometry support repeatable flow-control movement	Confirm liquid chemistry and operating temperature
Flow meters and measuring instruments	Very good	Clear or colored glass, insulation and stable dimensions support visual and instrument use	Confirm color, size tolerance and optical requirement
Plastic bearings and light rolling assemblies	Хороший	Glass provides hardness and corrosion resistance in low-load assemblies	Not for heavy load or impact bearing use
Agitators and mixing components	Хороший	Chemically stable and low absorption in compatible media	Confirm abrasion and breakage risk
Ink cartridges and bottle caps	Хороший	Clean, inert and colored options support packaging and consumable parts	Confirm cleanliness and color consistency
Art, decoration and display	Very good	Multiple colors and polished surface provide attractive visual effect	Confirm color, finish and packing protection
Grinding or shot blasting media	Application-dependent	Glass media may be used for selected light grinding or surface treatment	Not for severe abrasive or heavy-duty milling conditions

Material Selection Guide

Material Option	Typical Strength	Limitation	When to Recommend
Soda lime glass balls	Economical, non-magnetic, insulating, good corrosion resistance, clear or colored appearance	Lower thermal shock resistance than borosilicate; brittle under impact	Check valves, flow meters, bottle caps, instruments, decoration and light industrial components
Borosilicate glass balls	Better thermal shock and chemical resistance than soda lime glass	Higher cost and not always needed for simple applications	Laboratory, thermal cycling, higher chemical resistance and more demanding fluid systems
Пластиковые шарики	Lightweight, low cost, low noise and flexible material options	Lower hardness and sometimes lower dimensional stability than glass	Float valves, lightweight assemblies, low-load non-metallic applications
Stainless steel balls	Higher mechanical strength and broad industrial use	Conductive and magnetic or non-magnetic depending on grade; higher cost for corrosion-resistant grades	Higher load, mechanical strength or metallic sealing applications
Ceramic balls	High hardness, excellent wear and corrosion resistance	Higher cost and brittle under impact depending on ceramic type	Severe wear, chemical, electrical insulation or high-performance environments

Manufacturing & Process Control

SDBALLS controls glass ball supply through material selection, forming or sourcing control, sizing, grinding or polishing when required, color and surface confirmation, cleaning, sorting, inspection and protective packing. For colored glass balls, color consistency and surface appearance should be confirmed according to sample approval or buyer specification.

Because glass balls are sensitive to impact and edge damage during handling, process control should focus not only on size and grade but also on surface integrity, cleanliness, packing protection and batch consistency.

Quality Control & Inspection

Typical inspection items include diameter, grade, roundness, surface appearance, color, transparency where required, visible defects, chips, cracks, scratches, contamination and packing condition. For OEM projects, SDBALLS can discuss inspection reports, sample approval, third-party testing, RoHS requests and customized labeling.

Inspection Item	Purpose
Diameter and grade	Confirm assembly fit and motion consistency
Roundness and surface appearance	Support sealing, rolling and visual performance
Color and transparency	Maintain visual identification and decorative consistency
Chips, cracks and scratches	Reduce breakage and field failure risk
Cleanliness	Support use in valves, pumps, instruments and packaging components
Packing inspection	Prevent damage during export shipping and storage

Packing Options

Soda lime glass balls can be supplied in bulk bags, cartons, bottles, drums, pails, pallets or customized OEM packing. For small-diameter or polished glass balls, inner bag protection and carton cushioning are recommended to reduce surface damage and breakage during transportation.

For distributors and OEM customers, labels can include material, diameter, grade, color, batch number, quantity, net weight, gross weight and customer part number according to order requirements.

How to Specify for Quotation

To quote accurately, please confirm: material type, diameter in mm or inch, precision grade, color, surface finish, quantity, packing method, application, working medium, operating temperature, cleanliness requirement, inspection documents, destination port and trade term.

For replacement projects, buyers are encouraged to provide drawings, current supplier specification sheets, photos, samples, tolerance requirements and details of the working environment, especially liquid chemistry, temperature change, load and impact conditions.

Technical FAQ

What are soda lime glass balls used for?

Soda lime glass balls are used in economical check valves, metering pumps, flow meters, measuring instruments, plastic bearings, agitators, ink cartridges, bottle caps, light grinding applications and decorative products.

What diameter range can SDBALLS supply?

The standard product page range is 2.0 mm to 100.00 mm. Other sizes may be discussed according to production feasibility and order quantity.

Какие марки стали доступны?

Common precision grades include G100, G200, G500 and G1000. The best grade depends on the application, sealing requirement, motion stability and cost target.

Are soda lime glass balls magnetic or conductive?

No. Soda lime glass balls are non-magnetic and electrically insulating, which makes them useful in measurement and control equipment where metal balls may not be suitable.

Are soda lime glass balls suitable for high temperature or thermal shock?

Soda lime glass balls are not recommended for strong thermal shock or severe temperature cycling. For higher thermal shock resistance, borosilicate glass balls are usually a better choice.

Can soda lime glass balls be used in chemical liquids?

They offer good chemical stability in many compatible media and are often used in valves and metering systems. The exact chemical, concentration, temperature and exposure time should be confirmed before selection.

What colors are available?

Common colors include clear, green, dark blue, sky blue, red, black and yellow. Custom colors may be discussed according to quantity and application requirements.

Can soda lime glass balls replace steel balls?

Only in suitable low-load and corrosion-resistant applications. They are non-magnetic and insulating, but they are brittle and cannot replace steel balls in heavy load, impact or high fatigue bearing applications.