Industry Knowledge

How A Straw Made ?how Many Layers ?3 Or 4?

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A paper straw How many layer?

A paper straw can do 3 and 4 layers ,and depends on straw out diameter .

 The diameter of 4mm or less can only do 3 layers of paper. Three or four layers can be selected according to strength needs.

There is a straw list .you can check the layer and paper width to make the right straw.

inner diameter

out diameter

4layers inner

inner paper

middle

out

3.3mm

4mm

 

10mm

10.5mm

12mm

3.8-4.3mm

4.5-5mm

 

10.5mm

11mm

12mm

5.3-6.3mm

6-7mm

13mm

13.5mm

14mm

15mm

7.3-8.3mm

8-9mm

18mm

18.5mm

19mm

20mm

9.3-10.3mm

10-11mm

23mm

23.5mm

24mm

25mm

11.3mm

12mm

28mm

28.5mm

29mm

30mm

Grammage selection of paper

usually , paper straw has two grammage :60gsm and 120gsm .Whether 3 layers or 4 layers, the innermost layer is 60 grams.others 120grams.

 

Paper and glue used

The raw material of paper straw is made from coniferous and broadleaf pulp .It can be the food grade paper .

The glue is also food grade . After the mouth of the paper straws, are tested and qualified

Any question ,you can contact me :+8613362710790  Email :gdxs05@chinagaoda.com    Aurora Ding