给出了对成型耐火材料产品进行取样以及从尽可能小的样品中获得尽可能精确的产品质量评估的指示。所述方法可根据对规范遵守程度的评估进行验收测试，但无法确定验收的货物是否适用于给定的应用或出于相同目的比较不同质量的零件。

Gives directives for sampling shaped refractory products and for obtaining, from a sample of the smallest possible size, the most precise assexxment possible, of the quality of a consignment. The methods described make it possible to carry out an acceptance test based on an assessment of the extent to which the specifications have been observed, but do not make it possible to determine whether the accepted consignment is suitable for a given application or to compare different qualities of parts for this same purpose.