Top-Loading Crucible Furnace with Uniform Heating for Specialty Glass Melting

• Customization: Available
• After-sales Service: on Site Installation and Online Support
• Warranty: on Site Installation and Online Support
• Model NO.: KS-GMF1200-5L
• Application: Industry, School, Lab
• Customized: Customized
• Structure: Desktop
• Material: Steel
• Type: Crucible Melting Furnace
• Working Temperature: 1600c
• Transport Package: Wooden Package
• Specification: 5L
• Trademark: kunsheng
• Origin: Luoyang City, Henan
• HS Code: 8514199000
• Production Capacity: 500 Sets Per Year

Product Description

Products Description:
The KS-GMF1200-5L Glass Melting Furnace is a high-performance vertical furnace specially developed for advanced material processing such as glass melting, vitrification, and high-temperature sintering of oxides. It combines robust design with intelligent thermal control to ensure precise, repeatable processing in laboratory and small-scale production environments.
Engineered for operations reaching up to 1700°C, this furnace is ideal for experiments and small-batch production of specialty glasses, optical materials, ceramic composites, and rare-earth oxides. Its advanced thermal insulation and powerful heating elements-typically silicon carbide rods-enable stable, uniform heating throughout the melting zone. The vertical architecture of the furnace ensures natural convection flows and minimizes temperature gradients across the crucible.

A key component of the KS-GMF1200-5L is its use of a high-purity zirconia crucible. Known for its excellent corrosion resistance and mechanical stability at extreme temperatures, zirconia is ideal for handling corrosive or high-viscosity glass compositions. The crucible is carefully seated inside the chamber with uniform heat applied from all sides, supporting consistent melt quality and minimizing localized overheating.
The top-loading design simplifies material placement and retrieval, while a bottom spout or extraction system enables controlled discharge of the molten material. This structure enhances safety and convenience, especially when handling reactive or high-temperature substances. Optional components like automated lid lifters and mechanical extractors are available for streamlined batch operation.
The furnace's programmable control system supports multi-segment heating profiles, making it suitable for complex melting and annealing cycles. Multiple thermocouple channels allow for real-time feedback and zoned heating control, improving energy efficiency and ensuring the system reacts to any deviation in the thermal profile. This is particularly important for research and development settings, where process reproducibility and thermal accuracy are crucial.

Beyond glass melting, the KS-GMF1200-5L is also suitable for materials research in fields such as metallurgy, photovoltaics, and electroceramics. It can handle oxides, sulfides, and other specialty compounds that require controlled thermal cycling under air or inert gas atmospheres. With customizable features like gas inlet ports, observation windows, and data logging interfaces, it adapts well to demanding laboratory environments.
This furnace also emphasizes durability and maintenance simplicity. The chamber is insulated with high-density alumina ceramic fiberboards, which maintain thermal integrity while reducing power consumption. The modular heating element design allows for easy replacement and system diagnostics.

In summary, the KS-GMF1200-5L is a versatile, efficient, and precise solution for researchers and engineers working in glass science, advanced ceramics, and high-temperature material synthesis. It offers a combination of high temperature capacity, smart control, and ergonomic design-making it an essential tool for any advanced material processing lab.

Technical Parameters:

Product Model	KS-GMF1200-5L
Temperature range	1200ºC-1700ºC
Voltage (AC)	220V/380V
Temperature control accuracy	±1ºC
Temperature uniformity	±1ºC (depends on the size of the heating chamber; multi-point temperature control is available upon request)
Thermocouple and measurement range	Platinum-rhodium thermocouple, 0-1350ºC
Program segments	1 group with 50 segments, 2 groups with 22 segments, 3 groups with 8 segments
Heating rate	Adjustable from 1ºC/h to 40ºC/min
Heating element	Silicon carbide rods
Crucible material	High-purity alumina zirconia (99.9%)
Crucible volume	1.6L / 3L / 5L
Loading/unloading method	Top-loading with grabber and manual extraction
Crucible placement	Top load, bottom outlet
Heating element installation	Vertically positioned around the crucible
Insulating material	High-purity alumina fiberboard