The evaluation of the refractoriness under load of a material consists in the measurement of the deformation (expansion or contraction) of a sample of standard size and shape as a function of its temperature, while under a constant stress of axial compression.

The instruments available in SSV allow RUL tests to be carried out both according to the main international standards (ISO 1893, UNI EN 993-8), and to customized parameters, tailored according to the customer’s needs; in case of special requirements, it is also possible to control the composition of the test atmosphere (oxidizing or inert).

Following an extensive test period on silica bricks for coke oven, we have acquired a solid competence to carry out tests according to DIN 1089 – Refractories for USE in Coke Oven.