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News
What role does PVP play in soil? Can it prevent soil compaction?
Nov 04, 2025As a water-soluble polymer, PVP (polyvinylpyrrolidone) is primarily used in soil applications due to its water retention, dispersibility, and adsorption properties. While it can assist in soil improvement, it is not a core or mainstream material for ...
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What is the best ratio when PVP and chitosan are used together for preservation ?
Oct 28, 2025The optimal ratio of PVP (polyvinyl pyrrolidone) and chitosan requires dynamic adjustment based on the type of fruit or vegetable, chitosan molecular weight, and application process . The core principle is to maximize preservation effectiveness throu...
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Which preservatives can PVP be combined with for better results?
Oct 21, 2025In the preservation of fruits and vegetables, the core logic of PVP (polyvinylpyrrolidone) and other preservatives is "complementary advantages, synergistic effect"-by matching different functional components, to make up for the shortcomings of PVP w...
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How should fruits and vegetables be cleaned and stored after using PVP protective film?
Oct 14, 2025When using PVP (polyvinylpyrrolidone) protective film in the preservation of fruits and vegetables, it is necessary to focus on the three core goals of "safety and compliance, optimal effect, and avoiding negative impacts". In combination with the ch...
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What precautions should be taken when using PVP protective film in the preservation of fruits and vegetables?
Oct 07, 2025When using PVP (polyvinylpyrrolidone) protective film in the preservation of fruits and vegetables, it is necessary to focus on the three core goals of "safety and compliance, optimal effect, and avoiding negative impacts". In combination with the ch...
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What is the optimal concentration for the protective film formed by PVP in the preservation of fruits and vegetables?
Sep 30, 2025The thickness of PVP film formation and the preservation effect of fruits and vegetables are not "the thicker, the better", but there is an "appropriate thickness range" - the thickness needs to balance "physical barrier properties" and "film permeab...
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What is the optimal concentration for the protective film formed by PVP in the preservation of fruits and vegetables?
Sep 23, 2025In the preservation of fruits and vegetables, the optimal usage concentration of PVP (polyvinylpyrrolidone) protective film is usually 0.1% to 0.4%, and the specific concentration needs to be adjusted according to the type of fruits and vegetables, a...
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Does the protective film formed by PVP have an impact on the taste and nutritional value of fruits and vegetables?
Sep 16, 2025Under the premise of compliant use and reasonable process, the protective film formed by PVP has a very small overall impact on the taste and nutritional value of fruits and vegetables. It can even indirectly protect the taste and nutrition by delayi...
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Is it easy for PVP to form a protective film, which can prolong the freshness period of fruits and vegetables?
Sep 09, 2025PVP (Polyvinylpyrrolidone) Easily Forms a Protective Film on the Surface of Fruits and Vegetables, and This Property Has Been Applied in the Field of Fruit and Vegetable Preservation to Effectively Extend Their Freshness Period. The Core Reasons Are ...
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SUNDGE holds its 2025 semi annual summary meeting and team building activities: Gather SUNDGE, enjoy the journey, and achieve new results
Jul 22, 2025In the summer season, Nanjing SUNDGE Chemical New Materials Co. , Ltd. held a semi annual work summary meeting for 2025. The meeting comprehensively reviewed the company's operating results in the first half of the year, clarified the future dev...
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Nanjing SUNDGE Chemical New Materials Co., Ltd. participates in the 2025 CPHI China exhibition to jointly expand the global pharmaceutical new materials market
Jul 10, 2025At the end of June, Shanghai New International Expo Center became the focus of the global pharmaceutical industry. The 23rd World Pharmaceutical Raw Materials China Exhibition (CPHI China) and the World Pharmaceutical Machinery, Packaging Equipment a...
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Indian customers visited the factory and reached cooperation intention
Jun 04, 2025On April 22, 2025, NANJING SUNDGE CHEMICAL NEW MATERIAL CO.,LTD welcomed an Indian customer, Manmit. The purpose of his visit was to visit the PVP K30 and PVPI factories and conduct a final on-site inspection and research on the cooperative products....
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A Summer of Zongzi Love，NANJING SUNDGE Wish you a happy Dragon Boat Festival!
May 30, 2025It is the time of the year when the fragrance of rice dumplings fills the air and the drumbeats of dragon boats seem to be ringing in our ears. On the occasion of the Dragon Boat Festival, NANJING SUNDGE would like to extend our sincerest greetings a...
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NANJING SUNDGE| 2025 first quarter summary and commendation conference ended successfully
Apr 12, 2025On April 8, 2025, the first quarter commendation meeting and second quarter performance commitment meeting of NANJING SUNDGE CHEMICAL NEW MATERIAL CO.,LTD. were held in the headquarters conference room. All the staff of the company gathered together...
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Official Relocation Notice – Continuing to Serve You with Excellence
Mar 27, 2025Dear partners and customers Hello! Due to business development needs, our company will officially relocate to a new office address on Wednesday, March 26, 2025: Alibaba Jiangsu Headquarters, Building T4, 4th Floor, Room 408-1, Yongchu Road, Jianye Di...
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Based on the law, ensure the quality and safety of veterinary drugs-SUNDGE participated in the veterinary drug industry management training
Jan 08, 2025In order to strengthen the study of veterinary drug management regulations and policies, improve the company's veterinary drug management business level, and promote the next stage of veterinary drug management work, on January 7, 2025, our company p...
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The new year begins with a flourish
Dec 31, 2024The snake dances auspiciously, bringing wealth and good fortune. All trips are smooth, and happiness invites you. 2024 is coming to an end, and 2025 is about to begin. We bid farewell to the old year, full of longing, and open the cover of the new ye...
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Congratulations | SUNDGE was successfully selected as an "Advanced Unit" in the Precursor Chemicals Industry in 2024.
Dec 30, 2024At the Qinhuai District Precursor Chemicals Unit Summary and Commendation Conference held on December 19, 2024, the list of winners of the 2024 Precursor Chemicals Enterprises was grandly released, and the "Winning Units" and "Advanced Units...
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SUNDGE Nanjing Ali Center Outbound Visit
Oct 28, 2024In order to improve the company's foreign trade capabilities and platform operation skills, our company organized all foreign trade and operation personnel to hold a third quarter REVIEW summary and analysis meeting with Ali staff at the Nanjing Ali ...
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Hot News
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Indian Customers Visit Our Factory, Inspect PVP Production Lines and Successfully Reach Cooperation Orders
2026-03-02
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Nanjing SUNDGE Chemical New Materials Co., Ltd. participates in the 2025 CPHI China exhibition to jointly expand the global pharmaceutical new materials market
2025-07-10
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Based on the law, ensure the quality and safety of veterinary drugs-SUNDGE participated in the veterinary drug industry management training
2025-01-08
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SUNDGE Nanjing Ali Center Outbound Visit
2024-10-28
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The Turkish guests visited the factory and reached the intention of cooperation
2024-09-13
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SUNDGE Successfully Exhibited CPHI South China Station
2024-02-28
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SUNDGE participates in the course "Annual Business Plan and Comprehensive Budget Management
2024-02-28
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Watch and help each other! SUNDGE donates 10000 yuan to the Gansu earthquake stricken area
2024-02-28
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Good news - The company has successfully obtained the Veterinary Drug Business License Certificate
2024-02-28