Top-line packagingTel: +86 188 2689 9458

Top-line packagingEmail: info@toplinepackaging.com

Top-line packaging
Top-line packaging

How to check the shape of the vacuum bag?

source:other news release time:2022-10-28 Hits:    

  

  Exterior visual effect inspection includes the flatness and clarity of the vacuum bag inspection and other new items. The key is to test whether the surface layer has significant scratches and needle holes, sealing has zero pollution, etc.

  The actual way of appearance inspection is as follows:

  1: vacuum bag surface metal wire drawing "inspection. Put the vacuum bag in the hand, pointing to 40w fluorescent light gently shaking, according to the composite bag surface refraction light, can clearly find the vacuum bag surface is not scratch or mark, the industry is often called "bag surface metal wire drawing". Most of the metal wire drawing conditions are caused by the plastic bag making machine pulling the correct guide roller is not clean, so it is necessary to ensure that the guide roller is clean. In addition, the guide roller does not rotate will make the vacuum bag caused by metal wire drawing common faults.

  2: Check the flatness of vacuum bag. The vacuum bag is placed alone on the leveling table. If the surface layer is bent, warped outward or arched inward, it indicates poor flatness, and on the contrary, it indicates excellent flatness. The reason for the poor flatness generally has the following aspects: the temperature of the production bag is higher, has destroyed the in-situ stress tensile strength of the composite bag layer; Unscientific structure; The thickness of raw materials is not uniform.

  3: Check the clarity of vacuum bag. For some products, clarity seems to be crucial because of the large scale of unpatterned designs. The INSPECTION MEANS OF CLARITY IS: EXTRACT BAG OF A PIECE OF FINISHED PRODUCTS, THROUGH THE INDIRECT LAMP SOURCE INSIDE THE ROOM TO VIEW CHECK, IF BLANK HAS "BLACK DOT", "RING THING", "FOG" AND OTHER CONDITIONS, SHOW CLARITY IS POOR, EXPLAIN CLARITY IS GOOD ON THE CONTRARY.


Read recommendations:

Custom Size Printed Coffee Milk Juice Wine Bib Bag-In-Box With Valve Gift Cardboard Box

juice bag in box Factory

bag in box 3L,5L,10L

How to prevent Bubble Mailer aging

How to use nylon vacuum bag

Popular recommendation

Aluminum foil bag

Custom Print Side Gusset Coffee Pouch Black Matte Coffee Beans Packaging With Valve 

Smell Proof Stand Up Flat Bottom Pouch Coffee Bag /Coffee Beans Bag With Air Release Valve And Reusa

bag in box price

spout pouch serves distributors

refillable spout pouches

bag in box Factory

pouch bag with handle custom

zip lock bag for coffee Manufacturing

smart spout pouch company

Whether biodegradable plastic bags can contact food!

Features and uses of textured vacuum bag

Unlock the Potential of Paper IBC: The Ultimate Packaging Solution

Characteristics of food composite bags.flexible packaging film roll pouches Solution

What are the types of packaging bags

Classification of liquid bags

The thickness of the food packaging bag is related to food safety.reusable Snack food bag Manufactur

Different products have different standard requirements for composite packaging.stand up coffee pouc

Spout pouch - a new fashion and portable option.aluminium spout pouch sales

What are the packaging forms for beverages and liquid food?

What are the materials of rice bags?

What are the components of degradable plastic bags?

Characteristics of various food packaging materials

What is the color printing aluminum foil bag?

Aluminum foil vacuum packaging and transparent vacuum packaging.pint zipper vacuum bag Processing

What are the advantages of bagging edible oil in a box.liquid packaging bags

flexible packaging film properties Solution.Reasons and control measures for easy breakage of organ

The application of reactive packaging technology will become a trend

Why do Vacuum packing bags wrinkle?food vacuum bag

bag in box packaging Manufacturing.How much do you know about food packaging?

Share:

Email

Wechat Whatsapp

Leave Your Message