This standard specifies the product type and structure, product model and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements for multi-pass dry sand drums (hereinafter referred to as "drums"). This standard applies to multi-return dry sand drums used in the dry-mix mortar industry that use convection heat transfer and radiation heat transfer as the main heating methods.
GB/T 14684 Sand for construction*, 2022-04-15 Update
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 3768 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane*, 2017-12-29 Update