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HPC Hydroxypropyl Cellulose Supplier & Factory in China - Low and High Substituted Grade for Pharmaceuticals
product introduction
Hydroxypropyl Cellulose (Hydroxypropyl cellulose) is a non-ionic cellulose ether that appears as a white or white-like powder.
product characteristics
Excellent water solubility
It can be quickly dissolved in cold water to form a transparent and stable solution.
Good thermal stability
It can still maintain its stable performance at higher temperatures.
Surface activity
Has a certain surface activity, can improve the interface performance.
Good film formation
The film formed is tough, transparent and has good air permeability.
Wide compatibility
Compatible with a variety of organic and inorganic compounds.
product use
Pharmaceutical industry
As an adhesive and film coating material for tablets, it can also be used to manufacture slow-release preparations. For example, in some sustained-release tablets, the release speed of the drug is controlled to improve the efficacy.
Cosmetics
Used in lotions, creams and other products to increase consistency and stability.
Food industry
As a thickening agent, emulsifier and stabilizer, improve the texture and taste of food. As in ice cream, to make it more delicate and smooth.
Building materials
Can improve the adhesion and construction performance of mortar, putty, etc.
Production process
It is usually made from cellulose and propylene oxide by etherification under alkaline conditions.
Market prospects
With the rising demand for high-quality raw materials in various industries, Hydroxypropyl Cellulose has a promising market. Driven by strict standards in the pharmaceutical sector and innovative developments in the cosmetics and food industries, its market demand continues to grow.
use precautions
Storage Environment
Storage should be placed in a dry, well-ventilated environment, avoid moisture and high temperature.
Dissolution Method
When dissolved, it should be gradually added and stirred to ensure full dissolution and avoid agglomeration.
Dosage Adjustment
According to different application scenarios and formulations, reasonable adjustment of the addition amount to achieve the best effect.
In short, Hydroxypropyl Cellulose plays an important role in many fields due to its excellent properties, providing strong support for the quality improvement and performance optimization of related products.
Technical indicators
| Model | Low substitution | High substitution |
|---|---|---|
| Appearance | White or yellowish powder | |
| Hydroxypropoxy content /% | ≤10.0 | ≥55.0 |
| Fineness /% | 80 | mesh sieve residue≤8.0 |
| Dry weight loss rate /% | - | ≤5.0 |
| Ash /% | - | ≤0.5 |
| Viscosity /MPa·S | - | 50.0-1000.0 |
| PH value | - | 5.0-9.0 |
| Light transmittance /% | - | ≥80 |
details pictures
Frequently Asked Questions
What is Hydroxypropyl Cellulose (HPC)?
Hydroxypropyl Cellulose (HPC) is a non-ionic cellulose ether derived from cellulose. It typically appears as a white or off-white powder and is widely recognized for its excellent solubility and film-forming properties.
What are the primary applications of Hydroxypropyl Cellulose?
HPC is extensively used in the pharmaceutical industry as a tablet binder and film coating agent. It also serves as a stabilizer and thickener in cosmetics and food products, and helps improve adhesion and workability in building materials.
How should Hydroxypropyl Cellulose be dissolved correctly?
To prevent clumping and ensure complete dissolution, HPC powder should be added gradually to cold water while stirring continuously until a clear, stable solution is formed.
What are the key storage requirements for HPC?
It is recommended to store Hydroxypropyl Cellulose in a cool, dry, and well-ventilated space. Keep it away from moisture and high-temperature environments to maintain its quality and efficacy.
What is the difference between low substitution and high substitution HPC?
Low substitution HPC typically has a hydroxypropoxy content of ≤10.0%, whereas high substitution HPC features a content of ≥55.0%. This variation changes characteristics like viscosity and solubility to suit different industrial formulations.