Lindberg REFrax 7217-2323-003 Plate Hearth – 1/2″ x 6″ x 13″ OEM High-Temp Kiln Platform

Description

The Lindberg REFrax Plate Hearth (7217-2323-003) is a high-temperature OEM ceramic support platform specifically engineered for Lindberg furnace systems. Measuring 1/2 inch thick by 6 inches wide by 13 inches long, this durable hearth provides a flat, heat-resistant surface ideal for supporting crucibles, samples, and other materials during thermal processing.

Manufactured from REFrax ceramic composite, the plate hearth is capable of withstanding intense thermal cycling, shock, and prolonged exposure to elevated temperatures. Its excellent mechanical strength and thermal stability make it an essential component for precision-controlled environments such as laboratory research, materials testing, and industrial heat treatment.

This OEM replacement ensures proper alignment, heat distribution, and long-term performance in compliance with manufacturer standards.

Key Applications

• Heat-resistant support surface inside high-temperature furnaces
• Compatible with Lindberg muffle and box furnaces
• Used for sintering, ashing, annealing, and calcining processes
• Ideal for supporting crucibles, trays, and test samples
• Suited for materials science, ceramics, and QA testing labs

Key Features

• OEM Part Number: 7217-2323-003
• Made from durable REFrax ceramic material
• Excellent resistance to thermal shock and cycling
• Flat, smooth surface ensures stable support of heated items
• High dimensional stability under extreme heat
• Designed for seamless fit in select Lindberg furnaces
• Long-lasting and corrosion-resistant platform

Specification Table