OCC covers all corrugated cardboard boxes. Corrugated refers to those boxes where the material is made from three separate layers of paper: two liners and a corrugated, or wavy, layer sandwiched between them. Brown paper bags are commonly accepted with OCC for recycling. OCC does not include waxed cardboard (commonly from produce boxes), paperboard (flat…
3G vs 2G BCTMP: different pulp development road. History of BCTMP Development: -by Eric C. Xu (Ph. D.) View PDF Doctor Eric Xu has been working in different countries in mechanical and chemical pulping mills for commissioning & system optimization, he had a number of patents in mechanical and chemical pulping technology all around the…
On April 2,2023, Yunda big Drum Pulper arrived at Guangxi Laibin Kebao Paper Industry Co., Ltd. The equipment has a diameter of 4250mm, a total length of 38 meters, a total weight of over 210 tons, and a daily capacity of up to 1300 tons. In order to consider the safety and feasibility of transportation, Yunda Technical…
On June 1, the 18th Shandong (International) Pulp & Paper Technology and Equipment Exhibition opened at the Shandong International Exhibition & Convention Center, Zhengzhou Yunda will meet you at booth T421 with the core products of i-CTMP. Xu Chaofeng, chairman and general manager of Zhengzhou Yunda, attended the opening ceremony of Shandong Pulp & Paper Technology and Equipment Exhibition…
On May 30, The Paper Expo China opened successfully, and many international buyers came to visit and purchase. Yunda 3T16 booth also attracts paper industry experts from all over the world. Xu Chaofeng, chairman and general manager of Zhengzhou Yunda, attended the opening ceremony of the 18th Paper Expo China as a honored guest. The guest…
In 2021, The Final Acceptance for Stock Preparation System supplied by Yunda for Jinli Paper Phase I – 1000tpd Gray Board Project was successfully signed. In March 2023, the Stock Preparation system supplied as well by Yunda for Jinli Paper Phase II – another 1000tpd Packaging Paper Project has been successfully started, customer has also…
Yunda attaches great attention to scientific research and service, and constantly promotes the transformation and upgrading of enterprises and improves quality and efficiency through technological and service innovation. From 2022, Yunda has opened a professional service vehicle business, which is dedicated to providing domestic and foreign customers with maintenance and renovation services for pulping equipment…
On April 12, 2023, the 5th China Pulp & Paper Machinery Development (CPPMD) Forum was grandly held in Weifang City, Shandong Province. The forum focused on the key work and development directions of the domestic papermaking machinery industry under the development goals of China’s pulp and paper industry during the “14th Five-Year Plan” period. At…
On February 21, Paper One Show was held in Sharjah, the United Arab Emirates of the Middle East as scheduled. Zhengzhou Yunda attended the exhibition. Paper One Show is a tour exhibition in various regions of the Middle East. It has been exhibited in Sharjah, Beirut, Dubai and other regions. After years of development, it…
1. The purpose of refining? Answer: According to the quality requirements of paper or cardboard and the type and characteristics of the pulp used, physical methods are used to improve the shape and properties of fibers under controlled conditions, so that the manufactured paper or cardboard meets the expected quality requirements. 2. The main task…
