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Amongst HEC, I personally find Cellosize of Dow as most stable product compared to Bermocoll & Tylose.
Myself as Paint formulator & other colleagues working in different companies had a dilemma existing for selection. For cheaper Paints Stronger product or High Viscosity grades were used such but there always was a flocculation after some period on shelf storage. For Expensive ones we had to prefer Medium Viscosities grade to overcome shelf storage time. Most of companies carry same practice.
When I came across Solvitex range of Thickeners I was given much competitive prices. Priced at least 10% lower than HEC based Products, but my major concern was to check colloidal stabilization. The Product was immediately tested and was found to perform excellent.
Apart from that, Solvitex has provided better color acceptance & and coatabilty.
Sooner we came across Solvizen developed by same company for more economic & cheaper Price. The thickening & stability properties was same but economically priced.
However, The Water solution clarity of Solvizen was not as clear as of Solvitex or HECs. It was slight turbid. But when incorporated in Paints, we couldn’t find any difference. Again Paint was stable physically observed.
As a Paint formulator from past 2 decades and based on my experiences, I suggest to all those technicians in same field to try Solvitex & Solvizen range of Thickening agents.
For more information about solviex & solvizen one can check http://www.asiantradelinkindia.com/additives_for_paints_adhesives_paint_binders.html
Mr. R. S. Subramanium is working with Noble Paints Mfg. Co. and has more than 20 years experience in the paints industry. He can be contacted at firstname.lastname@example.org or at Phone No.: 91-22-25007236 / 25000659
A/19, Siddhpura Ind. Estate L.B.S. Marg, Ghatkopar (W) Mumbai 400 086 Maharashtra, India. Phone No.: 91-22-25007236 / 25000659 Fax: 91-22-25000851