Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

HPMC-40000 Hydroxypropyl Methylcellulose

HPMC-40000 is a high-viscosity hydroxypropyl methylcellulose from the Dow METHOCEL™ E series—offering exceptional water retention, film-forming ability and thermal gelation. Widely used in tile adhesives, plaster, and self-leveling compounds for enhanced workability and sag resistance. Complies with USP/NF and EP standards. Non-ionic, biodegradable, and highly soluble in cold water.
  • hpmc 40000 hydroxypropyl methylcellulose_236bdb7e
  • hpmc 40000 hydroxypropyl methylcellulose_236bdb7e

Features Of HPMC-40000 Hydroxypropyl Methylcellulose

  1. High viscosity grade offering excellent thickening and rheology control in aqueous systems.

  2. Outstanding water retention capacity, critical for cementitious and gypsum-based formulations.

  3. Good thermal gelation profile with reversible sol-gel transition above 50–60°C.

  4. Enhanced film-forming ability and improved adhesion in tile adhesives and renders.

  5. Consistent batch-to-batch performance due to strict polymerization and etherification process control.

Typical Applications Of HPMC-40000 Hydroxypropyl Methylcellulose

  1. Cement-based tile adhesives and thin-set mortars.

  2. Gypsum plasters and self-leveling underlayments.

  3. Exterior insulation finishing systems (EIFS) base coats.

  4. Water-based paints and architectural coatings as a rheology modifier.

  5. Pharmaceutical tablet binders and controlled-release matrix excipients.

Specifications Of HPMC-40000 Hydroxypropyl Methylcellulose

Chemical TypeNon-ionic cellulose ether
Product FormWhite to off-white free-flowing powder
AppearanceUniform granular powder, no visible impurities
Viscosity (2% aqueous solution, 20°C)38,000–42,000 mPa·s
Hydroxypropyl Substitution (DS)0.1–0.3
Methyl Substitution (MS)1.2–2.0
pH (1% aqueous solution)5.0–8.0
Moisture Content≤5.0% (w/w)


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