High Viscosity Cellulose Ether Hydroxypropyl Methyl Cellulose HPMC

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High Viscosity Cellulose Ether Hydroxypropyl Methyl Cellulose HPMC

Name: High Viscosity Cellulose Ether Hydroxypropyl Methyl Cellulose HPMC
Brand: Hebei Shunxing Import and Export Co., Ltd
Price: 1200 USD
Availability: InStock

Price 1200 USD ($)/ Metric Ton

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High Viscosity Cellulose Ether Hydroxypropyl Methyl Cellulose HPMC Specification

Solubility
Soluble in cold water, insoluble in hot water and most organic solvents

Other Names
HPMC

Melting Point
225-230C (decomposition)

Boiling point
Not applicable (decomposes before boiling)

Purity
98%

Ph Level
6-8 (1% solution)

Taste
Neutral

Molecular Weight
Approx. 380.3

Smell
Odorless

Storage
Keep in cool, dry, well-ventilated area, sealed

Refractive Rate
1.336 (for 2% aqueous solution)

Molecular Formula
C12H20O10

Form
White or off-white powder

Structural Formula
(C6H7O2(OH)x(OCH3)y(OC3H7)z)n

HS Code
3912 3900

Shape
Powder

Poisonous
Yes

Density
0.55 Gram per cubic centimeter(g/cm3)

Classification
Cellulose Ether

Chemical Name
Hydroxypropyl Methyl Cellulose

CAS No
9004-65-3

EINECS No
220-971-6

Grade
Industrial Grade

Standard
Enterprise Standard/Q/HG2-2003

Type
Hydroxypropyl Methyl Cellulose (HPMC)

Usage
Thickener, Binder, Film-former, Water Retention Agent

Main Material
High purity cellulose

Application
Used in construction, tile adhesives, coatings, mortar, detergents, paints, pharmaceuticals, and ceramics

Ash Content
1.5%

Moisture Content
5%

Gel Temperature
58-90C (varies by type)

pH Stability
Stable at pH 4-11

Fire Hazard
Combustible, but not easily flammable under normal conditions

Transmittance (2% Solution)
80%

Biodegradability
Biodegradable

Surface Treatment
Can be surface-treated for delayed solubility

Water Retention
98%

Particle Size
100 mesh - 99% pass

Appearance
White to off-white fibrous or granular powder

Packing
25kg net weight paper-plastic compound bag with PE liner

Shelf Life
Two years if properly stored

Viscosity (2% solution, 20C)
40,000-200,000 mPas

About High Viscosity Cellulose Ether Hydroxypropyl Methyl Cellulose HPMC

Characteristic of HPMC

Water Retention: HPMC significantly improves water retention in cement-based products. This ensures proper hydration of cement, leading to better strength development and reduced risk of cracks due to premature drying.
Workability: It enhances the workability of mortars, plasters, and other construction mixtures. This makes them easier to spread, reducing labor effort and improving application efficiency.
Consistency and Sag Resistance: HPMC helps maintain the consistency of construction mixtures, preventing sagging and improving the stability of applied layers on vertical surfaces.
Improved Adhesion: It enhances the adhesive properties of mortars and tile adhesives, ensuring better bonding between tiles, bricks, or other construction materials and the substrate.

Superior Water Retention and Thickening

This HPMC grade features outstanding water retention (98%) and thickening abilities, making it indispensable in tile adhesives, mortars, and coatings. Its stability across a wide pH range (4-11) and high viscosity guarantee consistent texture, improved workability, and enhanced durability in construction and formulation processes.

Versatile Applications Across Industries

Hydroxypropyl Methyl Cellulose is widely employed as a thickener, binder, and film-former in various sectors. Its cold water solubility and delayed solubility surface treatment accommodate tailored release in different applications, such as paints, pharmaceuticals, and detergents, providing reliable performance and process adaptability.

Safe, Environmentally Friendly, and Easy to Store

HPMC is non-toxic, odorless, and biodegradable, making it a safe choice for manufacturers and end users. It is best stored in cool, dry, and well-ventilated areas, sealed securely to uphold its two-year shelf life. Despite being combustible, it is not easily flammable under standard conditions, promoting safer handling and storage.

FAQ's of High Viscosity Cellulose Ether Hydroxypropyl Methyl Cellulose HPMC:

Q: How is High Viscosity HPMC typically used in construction applications?

A: High Viscosity HPMC acts as a thickener, binder, and water retention agent in construction products such as tile adhesives, mortar, and coatings. It improves workability, prevents cracking, and ensures strong adhesion by maintaining moisture and enhancing texture during application.

Q: What benefits does surface treatment provide for HPMC?

A: Surface-treated HPMC offers delayed solubility, which allows for controlled dispersion in formulations. This enables manufacturers to adjust setting or working times in products like cement or adhesives, leading to better process control and improved product performance.

Q: Where should HPMC be stored to maintain its shelf life and performance?

A: HPMC should be stored in a cool, dry, well-ventilated area and kept sealed in its original packaging. Proper storage conditions help preserve its two-year shelf life and maintain its quality, moisture content, and efficacy.

Q: What is the process for dissolving HPMC in water?

A: HPMC is readily soluble in cold water. To dissolve, slowly add the powder to vigorously stirred cold water to avoid clumping. It does not dissolve in hot water or most organic solvents, and surface-treated grades will dissolve more slowly, allowing for delayed viscosity development.

Q: When is the use of HPMC particularly advantageous in industrial formulas?

A: HPMC is particularly beneficial when formulations require high water retention, stable viscosity, and non-toxic, biodegradable additives. It excels in construction, paints, detergents, pharmaceuticals, and ceramics, where these attributes lead to improved product quality and end-user safety.

Q: What makes HPMC safe and environmentally friendly for industrial use?

A: HPMC is non-toxic, odorless, and biodegradable, ensuring safety for users and reduced environmental impact. It is classified as combustible but is not easily flammable under normal conditions, further supporting safe handling in industrial settings.

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