... , water preserving agent, film forming agent in construction, building materials ...... Hydroxy propyl Methyl Cellulose(HMPC) is widel used as thickener, adhesive ... paste, polymerization aids, leathers, printing ink and paper making etc.l also used in petroleum drilling and daily-use chemicals.Packaging ... %pH value (1% solution at 25°C)4.0-8.04.0-8.0Ash≤1% ≤4%Chloride(NaCl)≤0.2% /Arsenic salt ...