High Viscosity HPMC Powder for Dishwash Liquid Thickener

HPMC Product Overview

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1. What is HPMC (Hydroxypropyl Methyl Cellulose)?

HONGHAI brand HPMC is an odorless, tasteless, and non-toxic cellulose ether derived from natural high molecular cellulose through a series of chemical processes. It appears as a white powder with excellent water solubility offering properties such as thickening, adhesion, dispersing, emulsifying, film-forming, suspension, adsorption, gelation, protective colloid features, and moisture retention.

2. Physical and Chemical Index:

(1) Appearance: White or off-white powder, odorless, tasteless, non-toxic cellulose ethers.

(2) Particle size: The rate of 100 mesh passages is more than 98.5%; and 80 mesh is 100%.

(3) Bulk density: 0.25-0.70g/cm³.

(4) Solubility: Soluble in water and some organic solvents such as ethanol, acetone, and trichloroethane. Solution possesses surfactant properties. PH value does not affect solubility in water.

Product Name	HPMC (Hydroxypropyl Methyl Cellulose)
Content of Methoxy	18%-32%
Content of Hydroxypropyl	8%-16%
Temperature of Gelation	54°C-75°C
Water	≤5%
Ash	≤2%
PH Value	7-8
Appearance	White Powder
Fineness	80-100 Mesh
Viscosity	200 to 200,000 (customizable based on customer needs)
Surface Treatment	Cold water instant type: surface treated
Non-instant type	Without surface treatment

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Packing and Delivery

Packaging: 25kg/pp bags or based on client requirements.

Transit methods include DHL, UPS, TNT, EMS, FEDEX, and others.

For mass orders, delivery can be via air or sea depending on the location. Regular delivery times are:

• Small orders: 3-7 days via UPS, DHL, EMS
• Mass orders: 5-8 days by air, 15-30 days by sea

Please allow 1-5 business days for your order to arrive, depending on your location.

Application of HPMC in Various Industries

Hydroxypropyl Methyl Cellulose (HPMC) is widely utilized as a thickener, stabilizer, and water-retaining agent in building materials. It enhances adhesion, reduces skinning, and extends open time in mortars. Additionally, HPMC offers low ash content, PH stability, excellent film-forming ability, and significant resistance to enzymes and dispersion. It is suitable for:

• Hand sanitizer, shampoo, body wash, cleanser, lotion, cream, gel, toner, hair conditioner, styling products, and toothpaste
• Alcohol gel and detergents

The Application of HPMC in Putty Powder

Melacoll 2020-11-12 03:23

Putty is often used as a base coating material in interior and exterior wall treatments. It serves to fill wall defects and level base surfaces. For optimal results, it is recommended to use HPMC in putty powder.

What is Hydroxypropyl Methyl Cellulose (HPMC)?

Hydroxypropyl Methyl Cellulose (HPMC) is a non-ionic cellulose ether. It is made from purified cotton or wood pulp through etherification reactions, resulting in an odorless, tasteless white powder.

Properties of HPMC

HPMC solutions exhibit thermal gelation—precipitating and gelling upon heating, and returning to a liquid state upon cooling. Gelation temperatures vary with different specifications, as does solubility, which is inversely proportional to viscosity. Essentially, HPMC modifies methyl cellulose with epoxy methane, maintaining its solubility in cold water.

HPMC is non-ionic, offering excellent dispersibility, emulsification, thickening, adhesiveness, water, and glue retention. It is extensively utilized in pharmaceuticals, petrochemicals, construction, ceramics, textiles, food, household chemicals, synthetic resins, coatings, and electronics.

Applications of HPMC in Putty Powder

Hydroxypropyl Methyl Cellulose (HPMC) can be classified into construction grade, food-grade, and medical grade. In construction, it is primarily used as a thickener, water-retention agent, and lubricant in putty powder—accounting for 90% of utilization.

• Thickener: Enhances suspension ability and anti-sagging ability of the putty powder, maintaining solution uniformity.
• Water-retention agent: Keeps the putty in a moist state for better reaction with auxiliary materials during construction.
• Lubricant: Improves workability and smoothness during application, saving manpower.

HPMC does not participate directly in chemical reactions but serves to retain water. The overall reaction to form calcium carbonate involves:

CaO + H2O = Ca(OH)2 — Ca(OH)2 + CO2 = CaCO3 + H2O

Preparation before construction is essential. The base surface should be firm, flat, dry, and clean to ensure optimal outcomes. Ensure safety measures to prevent contamination of other areas during application.

Our company is a leading HPMC powder supplier, providing specialized service to meet all your needs.