Drinking straw paper made by food grade kraft paper

• Drinking straw paper is made from woodpulp by the kraft process, the long fibers provide the paper its strength, wet strength chemicals are added to even further improve the strength.

• Both white and brown grades are made.

• The paper is microcrepped to give porosity and elasticity.

• Micorocrepping is done by drying with loose draws allowing it to shrink. this causes the paper to elongate 4% in the machine direction and 10% in the across direction without breaking.

• Kraft paper is produced on paper machines with moderate machine speeds, the raw material is normally softwood pulp from the kraft process.

• Maintaining a high effective sulfur ratio or sulfidity is important for the highest possible strength using the kraft porcess.

• The kraft process can use a wider range of fiber sources than most other pulping processes.

• all types of wood, including very resinous types like southern pine.

• Also like non-wood species, like bamboo and kenaf can be used in the kraft process.

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• The drinking paper straw is made by three layers paper combine with glue.

• The first layer made by 60gsm food grade kraft paper, the size in 15mm.

• The second and the third layers made by same 120gsm food grade kraft paper in differents size, the size for second layer  is 14.5mm,and the size for third layer is 13.5mm.

• The outside single wrapping paper is 28gsm.

• The face paper can do any printing design, the ink we used also passed test of FDA.

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