ISO 23560:2015 pdf free

ISO 23560:2015 pdf free.Woven polypropylene sacks for bulk packaging of foodstuffs
The fabric used in the manufacture of woven PP sacks shall be woven as a tube on a circular loom from PP tapes havinga width of (2,5±1) mm. The tapes shall be woven sufficiently tight so that the packaged foodstuff does not leak out of the sack. The construction of the weave shall be sufficiently rough to ensure that filled sacks do not slip from a stack of sacks.The required construction parameters of sacks are given in Table 1.
Woven PP sacks of the dimensions specified in Table 1 are suitable for the packaging of foodstuffs such as wheat, rice, pulses, millet, and other similar grains. Other sack dimensions are allowed by agreement between the purchaser and seller. The mass of such sacks shall be calculated by the method given in Annex A.
The bottom seam shall be stitched with two rows of chain stitches in accordance with ISO 4915.The two rows of stitches shall be separated from each other by at least 4 mm and the outer stitch shall be at least 7 mm from the outer edge of the sack. The stitching shall be done through a single or double fold so that the stitches pass through a minimum of four layers of the fabric, made in such a way that the seam width is at least 25 mm. The number of stitches per unit length shall be (14±2) stitches/dm. These requirements shall be verified by visual inspection.
The material used for stitching shall be polypropylene tape or any other thread suitable for the purpose. The stitching shall be uniform with no loose thread or knots. These requirements shall be verified by visual inspection.
The closure of the flld sack shall be designed to prevent leakage of the contents during transport and handling.
If required by the buyer, the unlaminated sacks shall be provided with a loose liner made of a suitable polyolefin film conforming to the requirements for food contact. The width of the liner shall be 10 % more than the width of the sack. The bottom seam of the liner shall be at least 25 mm from its bottom edge. The liner shall be free from pinholes, patches, tears, blisters, and other visible defects.ISO 23560 pdf free download.