| Product Properties | |
|---|---|
| Constitution: | Cellulose Fiber |
| Appearance: | White Powder or fibrous |
| Dispersion: | Excellent |
| Product Specification | |||
|---|---|---|---|
| Fiber Length: | 300um | ||
| Moisture: | ≤5% | Purity | >90.0 % |
| Bulk Density: | 30g/l – 70g/l | PH value: | 5-8 |
Celotech’s High-Performance Cellulose Fiber is a versatile additive engineered to enhance key properties in gypsum products, tile adhesives, and plasters, delivering:
✔ Crack Resistance – Reduces shrinkage cracks in gypsum boards and plasters by up to 60%
✔ Improved Adhesion – Boosts bond strength in tile adhesives (EN 12004 compliant)
✔ Enhanced Durability – Increases impact resistance and surface hardness
✔ Workability Optimization – Maintains optimal viscosity and water retention

Celofiber® CF300X is a high-performance cellulose fiber designed specifically for gypsum-based formulations, including plasters, joint compounds, and self-leveling underlayments. Made from purified natural cellulose, CF300X offers excellent water retention, anti-cracking performance, and dimensional stability—making it a reliable functional additive in drymix gypsum systems.
Gypsum plaster and skim coats
Gypsum joint fillers and patching compounds
Gypsum self-leveling underlayments
Celofiber® CF300X provides reliable performance, ease of integration into existing formulations, and a sustainable solution for improving quality and workability in gypsum-based materials.

Celofiber® CF300X is a high-purity cellulose fiber engineered for enhanced performance in tile adhesive formulations. Designed to improve the rheology, anti-cracking properties, and dimensional stability of cementitious tile adhesives, CF300X offers reliable workability and superior long-term durability under demanding conditions.
Cementitious tile adhesives (C1/C2 grade)
Large-format tile mortars
Wall and floor tile bonding in both interior and exterior settings
Celofiber® CF300X is trusted by drymix manufacturers to deliver consistent performance, enhanced durability, and installation reliability in modern tile adhesive systems. Its optimized fiber length and morphology ensure balanced rheological control and reinforcement in every bag of mortar.

Celofiber® CF300X is a high-performance cellulose fiber designed to enhance the mechanical properties and application behavior of cement- and gypsum-based plasters. Engineered with optimized fiber length and structure, it improves crack resistance, cohesion, and workability, making it ideal for demanding modern plaster systems.
Gypsum plasters
Cement-lime plasters
Hand-applied and machine-applied plaster systems
Interior and exterior wall leveling compounds
Celofiber® CF300X delivers optimal crack control, improved workability, and high application reliability in modern plaster systems. Its fiber geometry and dispersion profile make it a trusted solution for manufacturers seeking to improve the quality and consistency of drymix plaster products.
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