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05-19
Symposium on Development of Polymer Materials Successfully Held in Harbin University
From December 2nd to 3rd, Heilongjiang Province Hope Project Xinda Award (Assistance) Scholarship and China Xinda 8th Polymer Materials Development Seminar was successfully held in Harbin Institute of Technology.
Analysis of the reasons for the rise in domestic natural rubber prices
This week, the spot price of domestic natural rubber standard rubber showed a fluctuating rise. The average price of the natural rubber market remained at around 9,380 yuan/ton on Monday, and was raised to 9,600 yuan/ton on the weekend, with an overall increase of 2.34%. This week, natural rubber merchants have been relatively active in their shipments. The overall market atmosphere of natural rubber is relatively good, and the transaction situation is relatively ideal. The transaction atmosphere has an upward trend compared with last week.
Plastic material technology needs to break through to deal with environmental problems
Theresa Hermel-Davidock of Becton Dickson & Co. said at the Global Plastics Summit in Chicago, October 29-30, that technological advances in plastic materials are needed to address increasingly complex environmental issues. Both tooling and dies are very important factors, and material suppliers and equipment manufacturers must work closely together.
New policies and regulations for food packaging paper and plastic composite films and bags
From March 1, 2015, the industry began to implement a new standard - "GBT30768-2014 Food Packaging Paper and Plastic Composite Films and Bags". The standard was jointly drafted by Shanghai People's Plastic Printing Factory, Jiangsu Caihua Packaging Group Co., Ltd., Shanghai Zijiang Color Printing and Packaging Co., Ltd., Huangshan Yongxin Co., Ltd., Wuxi Guotai Color Printing Co., Ltd., and the Composite Film Products Professional Committee of China Plastics Processing Industry Association. of. The editor of Huayin has excerpted some of the contents of the standard as follows.
Analysis of the development status of transparent woven bags
What is a transparent woven bag? The transparent woven bag is a woven bag directly drawn and woven from pure polypropylene raw materials without adding filler masterbatch. Through several years of exploration and efforts, the processing technology and the use of new and improved additives have been continuously improved to make the woven bag transparent. , flatness, brightness and other aspects have a qualitative leap. Transparent woven bags are widely used in the packaging of agricultural products such as peanuts, rice, vegetables, melons and fruits.
What are the main losses of plastic woven bags in the production process
The production process of plastic woven bags is: raw materials -> wire drawing -> weaving -> film coating -> cutting -> printing -> sewing -> inner bag -> inspection -> finishing -> packing -> storage. In the above production process, wire drawing, weaving, film coating, cutting, printing, inner bag, etc. are the main links that produce loss.