صدر امین

صدر امین

واردکننده و صادر کننده انواع کاغذ و مقوا در ایران

021-22275300
Email: info@sadramin.com

صدر امین
تهران،بلوار میرداماد، میدان مادر، خیابان شاه نظری، پلاک 28، برج ناهید، طبقه هفدهم، واحد 1

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Impact of paper deacidification

Tuesday, 07 September 2021 by milad

Impact of paper deacidification Effect of paper deacidification with nano calcium hydroxide and nanohydroxyapatite with nano cellulose and nano chitosan on its antifungal properties Numerous factors lead to cellulose degradation, the most important of which is acid hydrolysis. Many history books are destroyed over time due to acid hydrolysis and a decrease in the degree

  • Published in bloge, bloge
کاغذ سازی

Paper

Tuesday, 07 September 2021 by milad

Paper The word paper is derived from a Chinese word called Kaktez. (In Persian it’s called Rokhande or Parzeh) After the early humans slowly understood the need of visualizing the objects, recording the events, and sending the written messages, they had realized the importance and the necessity of an object to record a lasting work

  • Published in bloge, bloge

The increase in paper import tariffs was canceled in the year 2016

Monday, 14 November 2016 by milad

The increase in paper import tariffs was canceled in the year 2016. Following a request from the Minister of Industry, Mine and Trade to the First Vice President to increase the rate of paper import tariffs, the Minister of Culture and Islamic Guidance announced that this issue was canceled. According to the Mehr correspondent, Seyed

  • Published in bloge, news

Modified adhesive performance evaluation

Monday, 14 November 2016 by milad

Modified adhesive performance evaluation Performance review of modified rapeseed flour adhesive in plywood production This research aimed to review the Performance of modified rapeseed flour adhesive in plywood production. For this purpose, first, rapeseed flour was separately modified with sodium hydroxide and urea/sodium hydroxide. Then, different percentages of isocyanate (5, 15, and 30%) were added

  • Published in bloge, bloge

Where to invest to make more profit

Monday, 14 November 2016 by milad

Where to invest to make more profit?   Earlier this week, the central bank launched its three-pronged package to collect stray capital and overcome recent currency turmoil. We will now look at this report to see which one of these three options is likely to be more profitable. The recent currency turmoil has finally prompted

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VAT and printing industry

Monday, 14 November 2016 by milad

VAT and printing industry According to IQNA, paper is specifically exempt from tax, but the producer is inevitably required to pay VAT. In the field of books, the publisher must pay this tax in lithography, bookbinding, printing house, etc., except the paper. Amoozegar also stated: “In this cycle, the publisher cannot ultimately claim these costs

  • Published in bloge, news

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جدیدترین اخبار و مقالات

  • Impact of paper deacidification

    Impact of paper deacidification Effect of paper...
  • کاغذ سازی

    Paper

    Paper The word paper is derived from a Chinese ...
  • Modified adhesive performance evaluation

    Modified adhesive performance evaluation Perfor...
  • The increase in paper import tariffs was canceled in the year 2016

    The increase in paper import tariffs was cancel...
  • Where to invest to make more profit

    Where to invest to make more profit?   Earlier ...

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Unit 1, 17th floor, Nahid Tower, No. 28, Shah Nazari St., Madar Square, Mirdamad Blvd., Tehran.
Postal code: 1547916343
phone: +98(21)22275300
Fax: +98(21)22275301

Email: info@sadramin.com

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