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The adjustment status of plastic woven bags can be divided into several types

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The adjustment status of plastic woven bags can be divided into several types

作者: Release Date: 2018-05-10 Author: Click:


The specifications of the plastic woven bag specified in the original standard were adjusted to 4H at a temperature of 23 degrees Celsius + -2 degrees Celsius, and tested at normal conditions.
The latest woven bag standard specifications stipulate that 4H is adjusted at a room temperature of 18 degrees Celsius to 28 degrees Celsius, and tests are performed under these conditions.

The reason for the revision is the revision of the reference standard. Considering that the plastic woven bag is subjected to a tensile test on the woven bag under the humidity and room temperature of 18-28 degrees Celsius, its tensile strength, elongation at break and peel strength have little effect, and will not cause large errors. In the standard, the room temperature of the experimental environment is 18-28 degrees Celsius for the woven bag. plastic woven bag

There are many adjustments related to plastic woven bags , because the adjustment status is different in different aspects, so try not to use the same method.

Degradation during processing not only directly affects the physical properties, mechanical properties, and appearance and color of plastic woven bags, but also has a negative effect on the stability of plastic woven bags during use.

Adding wood to polypropylene resin to produce various types of polypropylene woven bags has been a commonly used method in the plastic weaving processing industry. For plastic bags added with master batches for processing and production, the carrier polypropylene resin used in the production of master batches In the process of woven bag production, when it is heated and extruded again, the carrier polypropylene resin undergoes thermal and mechanical degradation again, which in turn triggers and accelerates the thermal, oxygen, and light aging of the plastic woven bag during use.

塑料编织袋

Therefore, the proportion of the carrier polypropylene resin in the masterbatch in the woven bag is not large, but the problem of initiating and accelerating aging caused by the second or more times of heat and the aging performance of the plastic woven bag The impact of this should attract the attention of masterbatch production enterprises and plastic woven bag processing enterprises.


编织袋 通用技术要求制定原则的十性。 At the first working meeting of standard making, the first drafter of the standard, Wang Yongren, reported the ten characteristics of the general technical requirements for plastic woven bags .
Wang Yongren introduced that the goal of our plastic weaving standard is to formulate clear and unambiguous terms, and to promote the trade and exchange of plastic weaving through the use of these terms. In order to achieve this goal, in the process of developing standards, we have formulated some basic principles for making standards.
The comprehensiveness and completeness of the standard. The comprehensiveness and completeness refers to the completeness and completeness of the content of the standard. The newly-developed plastic woven standard should comprehensively cover all kinds of woven bags, including the original two standard bag types and added the inner liner bags, inner sticky bags and square-bottom valve pockets that were not included in the original two standards. The new standard gives complete technical requirements and experimental methods for all bag types. To do this, the useful technical requirements and experimental methods of the original national standard GBT8946 plastic woven bag and GBT composite plastic woven bag cannot be discarded, useless content should be removed, unreasonable content should be revised, outdated content must be revised, and the vague To be clear, the original two national standards should be organically combined with the new standards and integrated into a plastic woven bag.

URL of this article: http://abssps.com/⎝⎛178电玩城⎞⎠/427.html

Keywords: plastic woven bag , woven bag , plastic woven bag manufacturer

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