(1)furnace is mainly used for secondary stress annealing of quartz glass products (2)furnace maximal use temperature:1200

1.Electrothermal glass precise annealing furnace

Product description: this furnace is mainly used for secondary stress annealing of quartz glass products and optical glass; the maximal use temperature is 1,200; and the furnace adopts electric heating and 8-16 section PID program control

Main technical parameters:

(1) Furnace Hearth dimension: 0.2 to 1.0 steres

(2)Furnace  Maximal use temperature: 1,200°C (temperature adjustable)

(3) Furnace Electric power: 15 to 90(Kw/380V)

(4)Furnace  Heating mode: heating around the hearth

(5) Electrothermal elements: silicon carbide rod and furnace wire

(6) Temperature control mode: PID intelligent 8-16 section program temperature control, SCR module control, linear proportional output, manual and automatic regulation, temperature control precision ±1°C (can have 232 or 485 communication interface in networking with the computer)

(7) Temperature control point: 1

(8) Hearth uniformity: less than±3°C

(9) Cooling mode: natural cooling

Model	Hearth dimension mm	Electric power Kw	Voltage V	Maximal temperature °C	Control mode
GRT-12	L500×B300×H200	12	380	650	PID/8-16 section
GRT-16	L600× B350×H350	16	380	650	PID/8-16 section
GRT-21	L500× B500×H500	21	380	650	PID/8-16 section
GRT-25	L600× B500×H500	25	380	650	PID/8-16 section
GRT-32	L800× B600×H600	32	380	650	PID/8-16 section
GRT-45	L1000×B800×H600	45	380	650	PID/8-16 section

Precise Glass Annealing Furnace