The width of the groove is 2.5 times the maximum particle size of the coal sample, the slope of the groove is not less than 60 degrees, and it has multi-point shrinkage performance, which can effectively improve the sample representation and is suitable for the shrinkage of samples of different particle sizes.
Using oil Bath heating medium, Temperature range from room temperature to 200 ℃, temperature control accuracy +/- 0.5 ℃, equipped with sample clamping grid to ensure temperature stability, suitable for various film thermal cissing rate tests.
Temperature range from room temperature to 200 ℃, temperature control accuracy +/- 0.3 ℃, automatic timing function to ensure accurate and reliable testing, compact structure and easy handling.