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:

Spout pouch

kraft spout pouch supplier

coffee grinds pouches wholesale

The role of the coffee bag

Folding packaging bag

Popular recommendation

Bag-In-Box

China Factory Baby Complementary Food Spout Pouch Baby Food Fruit Puree Bag With Spout Packaging Bag

Custom printed food grade ziplock snack custom plastic pouch packaging food packing bag

refillable spout pouches company

super pouch tool bag Solution

flexible packaging Production

juice bag in box Factory

clear spout pouch wholesaler

Spout pouch flexibility supplier

kraft coffee bags with valve

Aluminum foil vacuum packaging and transparent vacuum packaging.gusset aluminum foil bag distributor

liquid pouch with spout Factory.Introduce the materials of food packaging bags

What are the classifications of biodegradable plastic bags?

Common types of transparent vacuum packaging bags

What are the composition of plastic bags?coffee packaging plastic bag wholesale

Let's learn about upright bags

The common problems of self -standing bags are here, the solutions are here

What are the advantages of the bag in the BIB box.bag in box 5l

sideguesst bag for coffee bag distributors.The number of packaging layers of moon cakes and Zongzi s

Thermal insulation: the guardian of temperature

What are the conditions for food packaging?stand up pouches for food package

The difference between boiling and cooking plastic bags is so big.Biodegradable Bubble mailing bag w

The requirements for food packaging to Vacuum Zipper Bag.smart food Snack food bag

How to Choose Vacuum Packaging Bag for Frozen Food

What are the reasons for the broken bag of the eight-side sealing food packaging bag?

What are the packaging requirements for medical sterilization bags.stand up Spout pouch manufacturer

Market prospect and advantages of heat shrinkable bags

How to choose high quality PE plastic bag?

Tell you five specifications for inspecting plastic packaging bags.coffee packaging plastic bag

How to remove the rice packaging bag?

Share:

Email

Wechat Whatsapp

Leave Your Message