Compliance With Following International Standards: ASTM C 156 1980 The mould is made of stainless steel material and it is water tight as per the standard requirement. The mould is rigidly constructed to prevent distortion and it is thoroughly cleaned. The interior faces of the mould are plane surface. Humidity Oven and Reflectance meter also available Further details available on our website. The Price mentioned here are subject to change as per the capacity, specifications and application of the user.