China: Starlinger says that its Ad*Star bag has received designation as one of three types of national standard cement bag type specifications by the Chinese government. The supplier developed the block bottom valve bags made of woven polypropylene tape fabric in 1995. Global production was 15.7bn in 2020.
The new Chinese standard for cement packaging was released in October 2020. It applies to cement bags holding up to 50kg and lists laminated woven plastic bags (made of one layer of laminated plastic fabric or with additional paper liner), paper bags (three-layer, three-layer with PE liner, four-layer bags), as well as paper-plastic composite bags (paper bags with plastic liner) as possible packaging options. All three types of bags must be designed as block bottom valve bags.
The standard specifies the dimensions as well as physical and mechanical requirements of the cement bags. Regarding break resistance, for example, a cement bag has to survive a drop from 1m height a minimum of six times before it breaks. Furthermore, printing and marking, general bag appearance, testing methods, and rules for quality inspection during bag manufacture are established in the standard. It also stipulates that each bag must be provided with a certificate before selling.
Local cement companies have been given a transition period until 31 March 2022 to adapt to the new standard. Starlinger expects to deliver and install machines for an additional production capacity of more than 2 billion Ad*Star bags on the Chinese market in 2021 and 2022.
