When the plastic spout is intended for standup pouch packaging, usually the size differs with the requimements of final application. As an experienced manufacturer located in Qingdao china for many years, we are producing so many spout pouches for global customers, watch video below.

In this post, we are going to introduce the size of the most common plastic spouts, and hope it is of help for the customer choice.

Inner Diameter

When we talk about the size of a spout, inner diameter is impliedly the parameter.

There should be norminal value of the inner diameter for each spout, and there is always a tolerence within 0.1mm in actual spout product.

Of course, the cost increases along with the enlarged size of spout, so the spout should be seriously considered when you plan to produce a spout pouch.

8.6mm spout

8.6mm spout is the most used item for fluid products that can be filled into the standup pouch in a short time, at a relative lower cost.

Its main applications are subject as below

• Juice
• Milk
• Colorants/Paintings
• Sauce (without granules like soybean size)
• Tomato ketchup

10mm spout

10mm spout is mainly intended to optimize the use experience of 8.6mm spout in products filling

• Juice
• Soybean sauce

13mm spout

• Liquid laundry detergent
• liquid/Semi-liquid foods

16mm spout

• Liquid/Semi-Liquid foods
• Liquid laundry detergent
• Windshield washer fluids

20mm spout

• Liquid laundry detergent

22mm spout

• 3~5L beer package
• Liquid Fertilizer

28mm spout

• Liquid fertilizer
• 5L water package

33m spout

• 5L spout package
• Cat litter

We are going to give further analysis on each application in future posts. Any questions, just reach us for further assistance.