Hydroxypropyl starch ether (HPS) is a fine white powder derived from natural plant materials through a modified, highly etherified reaction, followed by spray drying without the use of plasticizers. This advanced polymer is designed to enhance the performance of various industrial applications, offering a unique combination of functionality, efficiency, and sustainability. In this article, we explore the features, technical specifications, and diverse applications of hydroxypropyl starch ether, alongside insights into its manufacturer, Pengze Technology (Shijiazhuang) Co., Ltd.
Hydroxypropyl starch ether is a modified starch derivative that has been chemically altered to improve its solubility, stability, and performance in aqueous systems. Unlike conventional starch or modified starch, HPS is engineered to provide superior properties, making it an ideal additive for a wide range of industries. Its ability to enhance workability, reduce sagging, and improve the overall performance of construction materials has made it a preferred choice in sectors such as building materials, textiles, and oil drilling.
Key Features:
The following table outlines the key technical specifications of Hydroxypropyl starch ether, Model-301:
| ITEM | Model-301 |
|---|---|
| Appearance | White to whitish powder |
| Hydroxypropyl | 13.0-19.0% |
| Solubility | Soluble in cold water |
| Fineness | 95% (80M) |
| Viscosity | 50-3000 mPa·s |
| Loss on Drying | ≤10% |
| Moisture | ≤10% |
| Recommended Dosage | 0.3-0.5% |
| Applications | Gypsum-based and cement-based mortar and wall putty |
Hydroxypropyl starch ether's versatility makes it a valuable additive across multiple sectors. Below are some of its key applications:
In the construction industry, hydroxypropyl starch ether is used as an adhesive, coating, or organic liquid additive for various (cement, gypsum, lime, and calcium-based) wall putty. It also serves as an additive for decorative mortars and plastering mortars. Additionally, it acts as a molding adhesive for ceramic and porcelain products, functioning as a thickener and stabilizer in aqueous solutions to maintain suspension and emulsion stability.

In textiles, hydroxypropyl starch ether is utilized as a warp size to increase wear resistance and weaving efficiency. Its high substitution degree also makes it an effective thickener in textile processing.

The product is employed as a binder, suspending agent, and thickener in daily chemical products, cosmetics, and coatings. Its ability to stabilize formulations and improve texture makes it a popular choice in these sectors.
In oil drilling, hydroxypropyl starch ether helps stabilize boreholes and improve drilling conditions by reducing sloughing and flocculating drilling cuttings. This ensures smoother operations and enhanced efficiency.

Pengze Technology (Shijiazhuang) Co., Ltd. is a leading manufacturer and supplier of high-quality starch derivatives, including hydroxypropyl starch ether. With a commitment to innovation and sustainability, the company provides solutions that meet the evolving needs of industries worldwide. Their products are designed to adhere to international standards, ensuring reliability and performance.
For more information about Pengze Technology, visit their official website: Pengze Technology (Shijiazhuang) Co., Ltd.

Hydroxypropyl starch ether offers several advantages over traditional additives, including:
Hydroxypropyl starch ether is a multifunctional additive that plays a critical role in modern industrial applications. Its unique properties, combined with the expertise of manufacturers like Pengze Technology (Shijiazhuang) Co., Ltd., make it an essential component in construction, textiles, and other sectors. Whether you're looking to improve the workability of mortars, enhance textile processing, or optimize oil drilling operations, hydroxypropyl starch ether offers a reliable and efficient solution.
For detailed product information, visit the Hydroxypropyl Starch Ether Product Page.
1. National Institute of Standards and Technology (NIST) - For authoritative standards and guidelines on material specifications.
2. Pengze Technology (Shijiazhuang) Co., Ltd. - For product details and technical support.
