dry‑mix mortar additives

HEMC + RDP: The Cure for Gypsum Self‑Leveling Dust

By |2026-06-16T07:07:18+00:00June 16th, 2026|Industry knowledge|

Gypsum‑based self‑leveling compounds are widely used for their fast installation and excellent leveling performance. Yet, one persistent problem continues to frustrate contractors and manufacturers alike: surface dust. This loose, powdery layer not only looks bad—it also weakens the bond with subsequent floor coverings like epoxy or tile adhesives, leading to costly delamination. Fortunately, the solution

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HPMC Quality: 4-Step Quick Test

By |2026-06-01T02:06:36+00:00June 1st, 2026|Industry knowledge|

Hydroxypropyl methyl cellulose (HPMC) is the soul of dry‑mix mortar. Its quality directly determines water retention, strength, and application feel. Yet, the market is full of products with inconsistent quality. Adulteration, low degree of substitution, and high ash content are all too common. Instead of relying solely on supplier reports, it is far better to

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