1pcs 250ml to 20000ml Glass Fiber Inner Liner Use for Electric Heating Sleeve Thermostat，Lab Flask Heater Heating Sleeve Core
1. Item: inner liner of heater
2. Material: Alkali – free glass fiber is used as insulation material, the electric heating wire is sealed in it, and the heating inner sleeve is prepared into a semi-spherical shape.
3. Usage: It is suitable for liquid heating in laboratories of universities and technical secondary schools, petrochemical industry, medicine, environmental protection and other industries.
Note: Woven from high temperature resistant glass fiber, the surface is coated with oil, start to use pls slowly heating and let the smoke exhaust several times, until smokeless before normal use.