Hydroxypropyl methylcellulose (HPMC)

Product Description

Hydroxypropyl methylcellulose (HPMC) belongs to the group of cellulose ethers, in which one or more of the three hydroxyl groups present in the cellulose ring have been substituted. HPMC is hydrophilic, biodegradable, and a biocompatible polymer with a wide range of applications. These applications include drug delivery, dyes and paints, cosmetics, adhesives, coatings, agriculture, and textiles.

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Specification

ITEMS
SPECIFICATIONS
Appearance: White Powder
Decomposition Temperature: 200 min
Solid Content: 98%
Discoloration Temperature: 190-200℃
Viscosity: 400 mPa.s
PH Value: 5~8
Density: 1.39g/cm³
Carbonization Temperature: 280-300℃
Type: Industrial Grade
Surface Tension: 42-56 dyne/cm for 2% aqueous solution

Uses

HPMC is primarily used in construction materials like tile adhesives and renders. It serves as a rheology modifier and water retention agent.

Functionally, HPMC is very similar to HEMC (hydroxy ethyl methyl cellulose). Trade names include Methocel and Walocel. The global leading producer is now DuPont, formerly manufactured under Dow Wolff Cellulosics GmbH.

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Hydroxypropyl methyl cellulose is used as a thickener for aqueous and non-aqueous systems, forming clear films with grease resistance. It serves as a binder, lubricant, steric stabilizer, and water retention aid. It dissolves in water, undergoes reversible gelation upon heating, is non-ionic, does not complex with ionic species, and is surface active and enzyme resistant. Its solutions are pseudoplastic.

Package

25kg woven bag with liner

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