Borosilicate 3.3 glass bell jars known for clarity, durability, and dependable performance in laboratory and industrial environments. SIMAX bell jars offer exceptional thermal shock resistance, high chemical stability, and excellent transparency making them ideal for vacuum applications, desiccation, protective covers, display use, and scientific instrumentation. Each bell jar is precision-crafted for uniform thickness, smooth surfaces, and reliable sealing compatibility.

• Manufactured from high-quality borosilicate 3.3 glass 
• Excellent clarity for visual inspection, display, and laboratory use
• High resistance to thermal shock
• Chemically resistant to most acids, solvents, and laboratory reagents
• Ideal for laboratory vacuum applications, protective covers, desiccators, display domes, and scientific instrumentation
• Available in standard and custom diameters, with optional flanges or knob-top designs

• Custom heights or diameters
• Frosted or etched options
• With or without flanges or knob-top design.