BS ISO 9113:2019 pdf free.Plastics - Polypropylene (PP) and propylene-copolymer thermoplastics- Determination of isotactic index. 5.1.1 Reduce the propylene plastic solid matter to particles fine enough to pass through the sieve . For powder, flakes, fibres or films, grinding and screening are unnecessary if at least one dimension is less than 0,6 mm. Films shall be cut into small fragments...
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