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Company Name: Changzhou Guoyu Environmental S&T Co.,Ltd

Contact: Mr Only Chow

Tel: +86-519-8646-1213(802)

Fax: +86-519-8647-0317

Mobile: +86-134 0137 8537

Email: only@s-cmc.com
only@china-scmc.com
only.chow@gmail.com

Skype: only.chow

Whatsapp: 0086-13401378537

Address: Miaoqiao Street, Wujin District, Changzhou, Jiangsu, China

Zip: 213103

How To Devide The Pure HPMC And Non-pure HPMC

- Dec 06, 2017 -

How to devide the pure HPMC and non-pure HPMC.

Hypromellose-Hydroxypropyl-Methyl-Cellulose-HPMC.jpg

1. The aqueous solution of pure hydroxypropyl methyl cellulose is clarified with high transmittance and the water retention rate of > 95%; Adulterated HPMC water solution is more than 80 %.

2. It will be fibrous under microscope or magnifier for pure HPMC powder, and granular or crystal will be seen under microscope or magnifier for non-pure HPMC powder.

3. The hydroxypropyl methyl cellulose takes the same amount of 2 samples in the mirror. Then ignite it with fire and wait for the combustion to end, looking at the ashes left on the mirror. The chassis is a flat burning pure hydroxypropyl methyl cellulose. The adulterated hydroxypropyl methyl cellulose base was elevated. The smoldering chassis is flat, showing better cellulose


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