Our company is the drafter of the Department of Building Materials’ standards for TDRF series concrete fast freeze thaw chambers (devices), we have also participated in the formulation of the China Building Materials Academy’s "Apparatus for Freeze-Thaw Resistance Test of Concrete" standards.This product is suitable for freezing-thawing test of concretes, building bricks, ceramic tiles and other building materials, which meets DL/T5150, GBJ82, ASTM/C666 and JTJ5 standard requirements. The test apparatus adopts water freezing and water thawing methods, and is provided with patented data analysis software, and an imported compressor refrigeration system for improved energy efficiency and durability of the product.