Frequently Asked Questions_GRS EN15343 recycled plastic bags | FSC paper bags | biodegradable bags

All

All
Product Management
News
Introduction
Corporate Outlets
FAQ
Corporate Video
Corporate Brochure

Language

News Center News Center

Following the development direction of "independent research and development, independent brand", it has successively applied for multiple new patents.

Blog 



Company News

Packaging bag knowledge

Frequently Asked Questions

Home

Key points of retort pouch structural process, slight negligence will affect the quality of the pouch

Retort pouches are mostly made of a composite of three layers of materials. A typical retort pouch structure is: the outer layer is polyester film, for reinforcement; the middle layer is aluminum foil, for light protection, moisture resistance, and air-tightness; the inner layer is polyolefin film (such as polypropylene film), for heat sealing and direct food contact. During the production process of retort pouches, if various process-related problems occur, it will significantly affect

2020-07-28

How to handle the nine most difficult colors to print on packaging bags?

Accurate overprint; even ink color; full dots; ink-water balance; printed products free from printing defects such as smudges, scratches, blurred plates, or pasted plates; strict adherence to the original. ShunXingYuan pursues high-quality printed products to adapt to people's increasingly refined aesthetic concepts and help enterprises build their own packaging systems.

2020-03-03

A large collection of heat sealing problems for packaging bags, all the solutions you need are here

What to do if incomplete heat sealing causes contents to leak or spoil? What to do if the seal becomes brittle and breaks? What to do if the bag warps after heat sealing? What to do if the outer contour of the heat seal surface is unclear? (Unclear knife marks) What to do if the heat seal strength is poor? What to do if bubbles or an uneven surface appear at the heat seal? What to do if dry laminated products have poor heat sealing?

2020-02-28

Reasons and control methods for easy breakage of bellows packaging bags

Currently, many clients are continuously improving the automation process of production, and the requirements for packaging bag manufacturers will become increasingly stringent. There are two common production processes for bellows bags: one is a center-sealed bellows bag, and the other is a four-side-sealed bellows bag. Both processes have a common process control point that needs attention: the bellows position. Bellows bags also have many other types, such as bottom bellows bags and eight-side-sealed bellows bags.

2019-11-20

How to solve the problem of color ink dropping from packaging bags

In the packaging industry, workers commonly use 3M tape to test ink adhesion. The test tape is firmly attached to the test area, covering the entire area. One end of the tape is grasped by hand and quickly peeled off. When the area is too large, the covered area must be no less than 15 square centimeters. Repeat the process in the same location and check for ink detachment. Ink detachment area not exceeding 10% of the test area is considered normal.

2019-11-11

Aluminum foil bags are easily punctured? How to deal with it?

Currently, various functional, active, and intelligent packaging in the packaging bag market are booming, entering the counters of many businesses, attracting customers with their unique charm and bringing prosperity and convenience to operators. Among them, aluminum foil bags are renowned for their excellent barrier properties and are widely used in various packaging industries. However, many aluminum foil bags are punctured during transportation and storage, resulting in pinholes, leading to product leakage and spoilage. Why does this happen? How to deal with this phenomenon? Below, Shunxingyuan Packaging, a professional flexible packaging manufacturer, will analyze this for you.

2019-11-06

What are the differences between nylon vacuum bags and aluminum foil vacuum bags?

With the rapid development of the packaging industry and the increasing demand for packaging, more and more products are using vacuum packaging bags. Products using vacuum packaging bags have a longer shelf life and safer protection than those using ordinary packaging bags. There are two common types of vacuum packaging bags on the market: nylon vacuum bags and aluminum foil vacuum bags. What are the differences between the two? Today, Shunxingyuan Packaging, a professional flexible packaging manufacturer, will give you a detailed introduction to the differences between nylon vacuum bags and aluminum foil vacuum bags.

2019-11-04

How to order generic vacuum packaging bags?

Many customers choose unprinted, transparent, and universal vacuum packaging bags to save costs and reduce resource waste. Below, Shunxingyuan Packaging, a professional flexible packaging manufacturer, summarizes the ordering skills for these universal vacuum packaging bags, hoping to help customers with vacuum packaging bag ordering needs.

2019-11-02

The color of the sample printed on the colorful packaging bag is always different from the customer's requirement. What should I do?

Whether it's monochrome or color printing of packaging bags, operators need to use their own eyes to repeatedly compare the printed matter with the sample to find the difference between the printed matter and the sample, correct it in time, and ensure the printing quality of the packaging bag. Below, Shunxingyuan Packaging, a professional flexible packaging manufacturer, will discuss how to reduce the color difference of color packaging bags based on the experience of several printing masters in the factory with more than 20 years of experience.

2019-11-01

How to solve the problem of plastic packaging bag bursting and damage?

During the production, transportation, and storage of plastic packaging bags, edge bursting and damage often occur, seriously affecting product quality. How can the problem of edge bursting and damage of plastic packaging bags be solved? Below, Shunxingyuan Packaging, a professional flexible packaging manufacturer, will interpret the methods to prevent edge bursting and damage of plastic packaging bags based on its experience in producing high-quality plastic packaging bags.

2019-10-29

What should I do if the opening of the packaging bag is rolled inward, outward, or in an S-shape?

Packaging bags are made of various plastic films. Differences in film properties and production experience lead to inconsistent packaging bag quality. Today, Shunxingyuan Packaging, a professional flexible packaging manufacturer, will combine the abnormal phenomena that often occur during bag making to interpret how experienced packaging bag manufacturers safeguard the quality of packaging bags.

2019-10-28

Summary of gravure printing quality issues for packaging bags, with solutions

In the process of multi-color overprinting, each color cannot completely overlap, and there is a certain deviation.

2019-09-04

< 1 2 3 4 > proceed page

Tel：+86769-87930196
Mobile：+86135-4929-7179
Fax：+86769-87930197
Website：https://www.dgsunpak.cn/
Address: No. 3, Yuanfeng Road, Hengtang Community, Tangxia Town, Dongguan City

Scan to identify and follow:

Scan code to follow and consult

Website construction：www.300.cn Privacy

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

required

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

analyze

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

Feature

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

advertise

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.

COOKIES

COOKIES

Sorry，当前栏目暂无内容!

Sorry，The current column has no content!