Hydroxypropyl Methyl Cellulose (HPMC)-for PVC

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Product introduction

Hydroxypropyl Methyl Cellulose (HPMC) is non-ionic cellulose ether, made by natural high polymer cellulose as raw material and series of chemical processing. They provide water retention and cohesiveness to mixtures. With special modification, it can be used to control thickening, water demand, workability, sag resistance, strength and other important properties of the final product.

It is widely used as thickener, adhesive, water preserving agent, film-foaming agent in building materials, industrial coatings, synthetic resin, ceramic industry, medicine, food, textile, agricultural, cosmetic and other industries.

Physical and chemical index

ITEM

CAS: 9004-65-3

INDEX

60SS-E

65SS-F

75SS-K

Hydroxypropyl                %

7.0-12.0

4.0-7.5

4.0-12.0

Methoxyl                    %

28.0-32.0

27.0-32.0

19.0-24.0

Gel temperature              

58-64

62-68

70-90

Moisture                     %

≤5.0

Ash content                  %

≤1.0

Viscosity                 mpa.s

100-200000

Lighttransmittance            %

≥70

Whiteness                   %

≥75

Bulk density                g /l

370---420

Appearance

white or off-white fibrous or granular powder, odorless, tasteless

Package:

25kg/package. Use polyethylene film cardboard or plastic polypropylene woven bag package.  

Polyvinyl chloride (PVC)

Polyvinyl chloride (PVC) is a general use resin that is finding wide application in goods used in daily life and in all kinds of industrial materials.  HPMC is a main auxiliary for preparation of PVC by suspension polymerization.

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not good for health
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Aluminum alloy cover and scouring, so that the metal liquid and furnace gas isolation, to prevent oxidation, evaporation, suction. Remove the metal liquid impurities, with the role of thermal desulfurization. Refining principle reaction is as follows: the use of the main components NaNO3, graphite The reaction is as follows: NaNO3 + C → NaCO3 + N2 ↑ + CO2 ↑ 380 (2) The reaction is carried out under the following conditions: NaNO3 + C → NaCO3 + N2 ↑ + CO2 ↑ 380 ℃, NaNO3 → Na2O + NO ↑ after the reaction of N2, NO, CO2 gas on the human body and the environment are no corrosion stimulating effect, the refining effect is also good, refining temperature of 690-720 ℃, refining time is 5-12min rest time 5-8 min.
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