Sewing
SEWING OPTIONS
There are various options of sewing FIBCs.
The type of dustproof sewing that will be used depends on the material to be packed in the big bag.
Standard seam
Sewing big bags only with a thread. This type of sewing is used for packing granular materials (grain cereals, recycling, pellets, briquettes, granules …) There is a very wide range of goods that can be packed in FIBC without dustproof tapes. Also big bags with inner liners are usually sewn with this type.
Single dustproof seam
Sewing FIBC with one dustproof cord is used for packing crystal sugar and granules.
Double dustproof seam
Sewing big bags with double dustproof cords. This type of sealing is used for packing flour, processed cereals, quartz sand and many other. It is the most common type.
Triple dustproof seam
Sewing big bags with three dustproof cords. This type involves sealing with two dustproof cords and a third dustproof tape between the fabric. It is used for milk powder, calcium carbonate, dust, chalk, starch …. and in cases where the bag is filled under high pressure. The third dustproof tape can be placed on all seams or alternatively added only on critical seam eg. Bottom and outlet seam in order to save costs.
SEAM VARIANTS
Overlock + Chain Stitch
Overlock + Chain Stitch
Overlock + Chain Stitch
Big bag sewing yarn is specially produced and have very high breaking strength.
It has high stretching. %14-18 Industrial oil is absorbed by the yarn for running in the sewing machine easily.
The properties of oil vary according to usage of big bags.
TECHNICAL DATA FOR SEWING YARNS
Most common FIBC sewing yarns are as follows;
PP material, UV treated , twisted and lubricated for easy sewing 4500 denier , 3000 denier and 2000 denier
Type | T4500 | T3000 | T2000 |
|---|---|---|---|
m/kg | 4500 | 3000 | 2000 |
Tex | 222 | 333 | 500 |
dTex | 2220 | 3330 | 5000 |
Denier | 2000 | 3000 | 4500 |
Strength | 118N/12Kg | 176N/18Kg | 165N/27Kg |
Elongation | 13% | 13% | 13% |
Oil Percentage | 14-18% | 14-18% | 14-18% |
Color | CMYK | CMYK | CMYK |
Spool Weight | 6500g ® 100 | 6500g ® 100 | 6500g ® 100 |
Spool Diameter | 25 cm ® 0,5 | 25 cm ® 0,5 | 25 cm ® 0,5 |
Spool Height | 25 cm ® 0,5 | 25 cm ® 0,5 | 25 cm ® 0,5 |
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FIBC Specifications
