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High temperature gemstone heating machine zirconia sintering microwave furnace

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  • Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 25 Dec, 2025, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
  • Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
  • Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
  • Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
1. What maximum temperature can the ZTCF-30B reach?

The ZTCF-30B has a maximum temperature of 1730°C. Its common use temperature is specified up to 1650°C for routine processes.

2. How accurate and uniform is the temperature control?

Temperature control accuracy is +/-1°C and furnace temperature uniformity is within +/-3°C, giving consistent results for precision work.

3. What heating rate does the furnace offer and how long to reach 1500°C?

The heating rate is adjustable from 0–40°C per minute. From room temperature to 1500°C takes less than 40 minutes under normal conditions.

4. What is the chamber size and how much can it hold?

The chamber is approximately 110 mm in diameter by 120 mm deep (cylindrical). It is sized for dental components, small ceramic parts and individual zirconia pieces rather than large batches.

5. What are the power and electrical requirements?

The furnace operates at 220V, 50/60Hz and has a rated power of 3 kW.

6. What type of heating elements does the ZTCF-30B use?

It uses six high-purity molybdenum heating rods evenly distributed inside the chamber.

7. Is this furnace suitable for zirconia sintering and dental ceramics?

Yes. The ZTCF-30B is designed for dental lab use and high-temperature ceramic processes including zirconia sintering and ceramic firing, provided process schedules fall within the furnace's temperature and atmosphere capabilities.

8. Is this a microwave furnace or a muffle furnace?

This model is a muffle (box) furnace—ZETIN ZTCF-30B—not a microwave sintering furnace. It provides high-temperature, programmable heating but does not use microwave energy.

9. How many programs can be stored and what does the control interface offer?

The controller supports up to 40 programmable cycles. The interface is designed to be user-friendly for setting temperature ramps, dwell times and program sequences; consult the manual for detailed operation steps.

10. What safety considerations should I follow when using the furnace?

Operate the furnace on a stable, non-combustible surface with adequate clearance and ventilation. Allow the chamber to cool before opening or servicing. Use proper PPE (heat-resistant gloves, eye protection) and follow any local electrical and fire safety codes. For specific built-in safety features, check the manufacturer documentation or contact the supplier.

11. Can the ZTCF-30B be used in vacuum or inert-gas atmospheres?

The ZTCF-30B is supplied as a standard muffle furnace for use in air. If vacuum or controlled-atmosphere sintering is required, contact the manufacturer or supplier to discuss suitable models or custom options—this unit is not inherently a vacuum or sealed inert-atmosphere furnace.

12. How heavy is the unit and what are its external dimensions for installation planning?

The product weight is approximately 74 kg. External dimensions are 400 × 500 × 850 mm. Packaged size is 670 × 480 × 970 mm—allow space for handling and ventilation when siting the furnace.

13. What routine maintenance is required to keep the furnace working reliably?

Regularly inspect the chamber and heating elements for damage or deposits (only when cool), keep the exterior and control panel clean, verify controller calibration periodically, and replace heating elements if performance degrades. Follow the user manual for recommended maintenance intervals and replacement parts.

14. Are spare parts, service and warranty available?

Warranty terms and spare-part availability vary by seller/region. Contact the manufacturer or authorized distributor for warranty details, spare element kits and technical support options.

15. How do I order and what is the minimum order quantity (MOQ)?

The listed MOQ is 1 set. To purchase, contact the supplier or distributor for pricing, lead time, shipping options and any required documentation.

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