Glass crystallization furnace-Xiangtan Xiangyi Instrument Co., Ltd.

I. Overview
Since the inside of the glass can be compared with the composition of the crystal is high, so the glass is in the metastable state, spontaneous tendency to precipitate crystals under certain conditions exist. This crystal phenomenon is called crystallization, also known as devitrification or devitrification. Determination of crystallization performance refers to the determination of the glass crystallization temperature range, upper and lower limits, and the degree of crystallization of the glass in the temperature range according to the measurement results can formulate a reasonable system of dissolved, forming and thermal processing system, thus avoiding crystallization generation, to obtain a transparent glass article. The equipment using a gradient furnace method for the determination of the crystallization properties of the glass, for analytical testing glass and other non-metallic materials are widely used in factories, schools, research institutes crystallization performance. Master the production process, forming a guiding role.
Second, the main technical parameters
1, furnace size: Φ60 × 1000mm
Furnace tube material: 99 corundum
2, the maximum temperature of furnace: 1400 ℃
3, the heating element: silicon carbide 24
4, the working temperature gradient range: 400mm
2:00 a computer program temperature control: room temperature ~ 1400 ℃
Thermocouple temperature control 2: S indexing No. 1, sample temperature
Temperature gradient: 20 ℃ / cm adjustable
5, sample porcelain boat: 99 corundum; propulsion plant: Manual
6, the diameter of the observation hole: Φ50mm (quartz glass)

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Glass crystallization furnace

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