| Product Properties | |||
|---|---|---|---|
| Constitution: | Hydroxypropyl methyl cellulose | ||
| Appearance: | White to yellowish | Delayed Solubility: | No |
| Substitution degree: | Standard etherification | Ionicity: | Nonionic |
| Product Specification | |||
|---|---|---|---|
| Moisture: | ≤6% | ||
| PH: | 5.0 – 8.5 | ||
| Particle Size: | Powder | ||
| Bulk Density | 320 – 420g/L | ||
| Viscosity: | 300 – 500 mPa·s | ||
| Brookfield, in 2.0% water solution, at 20°C,20rpm. | |||
Achieve flawless, durable floorswith Celotech’s HPMC for self-leveling applications – the smart choice for formulators seeking:
Unmatched Performance Advantages:
✓ Perfect Self-Leveling – Exceptional flow and self-smoothing properties
✓ Crack-Free Results – Enhanced shrinkage resistance for long-term durability
✓ Versatile Formulating – Tailor viscosity from 300 to 500 mPa·s
✓ Process Reliability – Low-dust, easy-to-disperse powder formulation

Celopro® MK400 is a high-purity, construction-grade Hydroxypropyl Methylcellulose (HPMC) designed for self-leveling underlayment (SLU) and floor compounds. With its controlled viscosity and excellent water retention capabilities, Celopro® MK400 provides precise flow behavior, enhanced surface smoothness, and stable setting time, making it a trusted choice for high-performance flooring systems.
Celopro® MK400 is recommended for:
Cement-based self-leveling compounds (SLC)
Gypsum-based self-leveling underlayments
Pumping-applied or manually poured floor leveling systems
Industrial and commercial subfloor preparations
With its excellent quality consistency and high-performance profile, Celopro® MK400 is ideal for formulators seeking reliable performance, smooth finish, and long-term durability in their self-leveling products.

Celopro® MK400 is a premium construction-grade Hydroxypropyl Methylcellulose (HPMC) developed to meet the unique requirements of 3D-printing in building materials. It delivers precise control over rheology, buildability, and water retention, making it a reliable additive for cementitious 3D-printing mortars and pastes.
Celopro® MK400 is suitable for:
3D-printed mortars for structural and non-structural elements
Extrusion-based additive manufacturing for buildings
Prefabricated printed parts for modular construction
Research and development of sustainable 3D-printed building materials
Celopro® MK400 supports innovation in automated construction by providing the rheological control and green strength essential for layer-by-layer printing. It is the ideal choice for formulators aiming to develop printable, pumpable, and buildable mortars for next-generation construction technologies.
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