Donghong is a leading China starch ether manufacturer specializing in quality HPS powder for putty chemicals. With a focus on HPS manufacturing, we are dedicated to enhancing wall skim coatings. Our advanced lab and efficient supply chain guarantee reliable starch ether for wall putty applications. 

We provide professional OEM solutions based on your wall putty powder formula. Partner with us for superior starch ether powder and experience excellence in wall putty applications.

Improve putty anti-sag ability.

Provide rapid thickening performance.

Low dosage can achieve smooth putty application.

Good lubricity. Improve the operating performance and make the putty operation smoother.

HPS powder can be used with hydroxypropyl methyl cellulose (HPMC) to reduce the use of cellulose ether.