M045 Thermal insulation tester/Sweating Guarded Hotplate is used to simulate the process that human skin produces heat and water vapor penetrate fabrics. Special designed to determine the Thermal resistance (heat preservation) and moisture resistance (moisture conductivity) properties under the constant environment, which is applicable for fabric, thin film, coating, foamed plastic, leather, composite material and its garments, quilts, sleeping bags, interior decoration materials, other textiles products.