This product is suitable for profession and so on universities and technical institutes colleges and universities, petroleum, chemical industry, medicine, environmental protection laboratory liquid heatings, it uses the thermostable non-alkali glass fiber to make the insulation material, the nickel cobalt material resistance wire seal in the insulating layer, then weaves the hemispheroid internal heat heater, this heater has the heating area in a big way, elevates temperature quickly, anger, the heating even, facile, saves the energy safely, not not easily to bump into and injure merits and so on glassware, this product is each kind of fine chemical unit's most ideal heater.

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