Hydroxypropyl starch ether (HPS) is a versatile chemical additive derived from natural plant materials through advanced etherification processes. This white fine powder is designed to improve the performance of construction materials, textiles, and industrial applications. As a key product from Pengze Technology (Shijiazhuang) Co., Ltd., HPS offers unique properties that make it indispensable in modern manufacturing. Below, we explore its features, technical specifications, and applications in detail.
Hydroxypropyl starch ether is engineered to deliver exceptional performance in various industries. Its primary characteristics include:
Hydroxypropyl starch ether offers several benefits that make it a preferred choice for manufacturers:
The following table outlines the key technical parameters of Hydroxypropyl Starch Ether (Model-301):
| Item | Model-301 |
|---|---|
| Appearance | White to whitish powder |
| Hydroxypropyl Content | 13.0–19.0% |
| Solubility | Soluble in cold water |
| Fineness | 95% (80 mesh) |
| 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 is widely used across multiple sectors due to its adaptability and performance. Key applications include:
It serves as an essential additive in cement-based and gypsum-based products. By improving workability and reducing sagging, it ensures smoother application for wall putty, mortars, and plasters. Its compatibility with other admixtures enhances structural stability, making it ideal for both internal and external wall treatments.

In textiles, hydroxypropyl starch ether acts as a warp size, boosting the wear resistance and weaving efficiency of fabrics. Its high substitution degree also makes it a reliable thickener for dyeing and finishing processes, ensuring even distribution of chemicals.

The product functions as a binder, suspending agent, and thickener in cosmetics and personal care products. Its ability to stabilize emulsions and suspend particles ensures product consistency and longevity.
Hydroxypropyl starch ether helps maintain borehole stability during oil drilling by reducing sloughing and flocculating cuttings. This improves drilling efficiency and safety.

Pengze Technology (Shijiazhuang) Co., Ltd. is a leading manufacturer of hydroxypropyl starch ether and related chemical products. With a focus on innovation and quality, the company supplies high-performance additives to industries worldwide. Their commitment to sustainable practices and advanced manufacturing ensures that their products meet rigorous standards.
For more information about Pengze Technology, visit their official website.

Hydroxypropyl starch ether stands out due to its unique combination of properties. Unlike traditional starches, it undergoes a highly etherified reaction, eliminating the need for plasticizers. This results in a product that is both eco-friendly and highly effective. Its ability to enhance workability, reduce material waste, and improve product durability makes it a valuable asset for manufacturers.
According to the National Institute of Standards and Technology (NIST), chemical specifications are critical for ensuring product consistency and performance in industrial applications. NIST’s research on polymer-based additives highlights the importance of precise formulation to achieve optimal results. For further details, refer to the NIST website.
Reference: NIST. (2023). Chemical Standards and Measurements. Retrieved from https://www.nist.gov
Hydroxypropyl starch ether is a multifunctional additive with applications spanning construction, textiles, and industrial processes. Its technical advantages, combined with the expertise of Pengze Technology (Shijiazhuang) Co., Ltd., make it a trusted solution for modern manufacturing. Whether you are working on wall putty, textiles, or oil drilling, this product offers the performance and reliability needed to meet industry demands.

