High Purity Transparent Quartz Square Boat Crucible High Temperature Corrosion Resistant Glass Tank

Product Overview

This high-purity transparent quartz square boat and crucible system represents a significant advancement in high-temperature laboratory consumables. Engineered from premium-grade fused silica, this equipment serves as an exceptionally stable container for sintering, melting, and chemical reactions. The structural design optimizes thermal distribution across the sample container, ensuring that materials undergo uniform thermal processing without localized gradient failures.

Designed primarily for research laboratories, university chemistry departments, and industrial manufacturing plants, this system supports critical applications in semiconductor processing, metallurgy, and advanced materials synthesis. Target industries benefit from the high optical clarity, which allows for visual monitoring of thermal reactions, and the chemical inertness that prevents reaction vessels from leaching impurities into the samples. The system performs exceptionally well in tube furnaces, muffle furnaces, and controlled atmosphere chambers.

Built to perform under demanding thermodynamic loads, this unit maintains its structural integrity and shape at continuous high temperatures. The premium quality of the quartz material minimizes thermal expansion, mitigating the risk of structural failure or cracking due to thermal shock. Operators can confidently deploy this vessel for critical gravimetric analyses, calcination processes, and sample transport without compromising experimental precision or safety.

Key Features

• High-Purity Silicon Dioxide Construction: Manufactured from quartz glass with a purity level exceeding 99.99%, ensuring that no metallic ions or other impurities contaminate critical laboratory samples during high-temperature reactions.
• Superior Thermal Shock Resistance: Engineered to withstand rapid temperature changes, allowing the vessel to be moved from extreme heat to ambient temperatures without cracking or experiencing structural failure.
• Continuous Operating Temp up to 1200°C: The optimized molecular structure of the quartz glass permits continuous operations at elevated temperatures, maintaining complete dimensional stability under constant thermal loads.
• Excellent Corrosion and Acid Resistance: Provides robust chemical resistance against most acids, salts, and organic compounds, making it highly suitable for aggressive chemical treatments and acid digestion processes.
• Optimized Uniform Wall Thickness: Standardized wall thicknesses of 2mm to 3mm ensure uniform thermal conductivity across all surfaces of the boat, preventing thermal hotspots and promoting even reaction kinetics.
• High Optical Transparency: Highly polished transparent surfaces allow researchers to visually monitor sample changes, crystallization, and reactions in real-time inside the furnace chamber.
• Flexible Customization Options: Available with optional custom-fitted lids, custom dimensions, and alternative surface finishes (such as frosted or drilled) to suit specialized experiment protocols.

Applications

Technical Specifications

The KT-SYZ series is available in multiple standard configurations categorized by inner dimensions and outer dimensions. Custom configurations, including quartz tubes, quartz rods, and quartz plates, can be manufactured based on technical drawings or customer samples.

KT-SYZ Inner Dimension (ID) Variants

KT-SYZ Outer Dimension (OD) Variants

Custom Quartz Auxiliary Materials (KT-SYZ Custom Series)

Handling and Maintenance Guidelines

To maximize the service life of quartz products, operators must follow strict cleaning and handling protocols. The introduction of alkaline metals (e.g., from bare hands) on the surface of the quartz boat acts as a catalyst for devitrification at high temperatures, which leads to hazing and eventual structural weakening.

1. Always wear lint-free gloves when handling the quartz vessels to prevent skin oils and salts from contacting the glass surface.
2. Before heating, wash the quartz container in a dilute nitric acid bath (approx. 5-10% concentration) to strip surface contaminants, followed by a thorough rinse with deionized water.
3. Ensure the quartz vessel is completely dry before placing it inside a hot furnace chamber. Moisture trapped in microscopic surface imperfections can create high vapor pressure, resulting in micro-cracks.
4. Avoid thermal cycling past 1200°C. Long-term exposure to temperatures close to the softening point should be monitored carefully to prevent warping.

Why Choose This Product

• Exceptional Raw Material Standards: Built using high-grade fused silica with a purity exceeding 99.99%, preventing unwanted trace-element doping and ensuring high reliability in academic and industrial research.
• Precision Engineered Dimensions: Manufactured with tight dimensional tolerances, ensuring a reliable fit within tube furnace chambers, sample holders, and automated loading arms.
• Extended Operating Durability: The combination of uniform wall thickness and thermal shock resistance reduces consumables replacement frequency, providing a lower total cost of ownership.
• Full Customization and Technical Design Support: We specialize in custom-built quartz items. From sample-based duplication to blueprint-based manufacturing (including custom tubes, plates, and boats with lids), our engineering team can realize custom geometries with precision.
• Certified Quality Control: Every batch undergoes strict quality control checks to identify internal stresses and surface defects before shipping, ensuring that only flawless products reach your laboratory.

Contact KINTEK today to discuss your specific high-temperature quartz requirements or request a custom quotation for your custom laboratory setup.

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