2. Building materials
2.1 Working envelopes
In the vast majority of cases, the working envelope is made of 100 to 250 g/m 2 polypropylene (PP) fabric, woven from polypropylene strips a few millimeters wide (figure 9 ).
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Building materials
Building materials
Safety criteria
Standards and recommendations
- Flexible intermediate bulk containers. Part 1. Specification for flexible intermediate bulk containers designed to be lifted from above by integral or detachable devices. - BS 6382 : Part 1 1983 -
- Spécifications relatives aux grands récipients vrac souples (GRVS) pour matières non dangereuses. - NF EN 1898 2-2001 -
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