Highly efficient thickener providing excellent viscosity build and shear-thinning rheology.
Outstanding water retention capacity, enhancing workability and reducing cracking in cementitious systems.
Good compatibility with common construction additives including superplasticizers, defoamers, and retarders.
Stable performance across a broad pH range (pH 4–12), supporting formulation flexibility.
Low foaming characteristics, minimizing air entrapment during high-shear mixing.
Cement-based tile adhesives and grouts.
Exterior insulation finishing systems (EIFS) base coats and renders.
Self-leveling underlayments and floor screeds.
Pre-mixed dry mortars for repair and anchoring applications.
Waterproofing membranes and flexible coatings.
| Chemical Type | Methyl ethyl hydroxyethyl cellulose (MEHEC) |
| Product Form | Free-flowing white to off-white powder |
| Appearance | Free-flowing granular powder |
| Primary Applications | Construction mortars, tile adhesives, renders, and self-leveling compounds |
| Key Features | Thickening, water retention, open time extension, anti-sag performance |
| Benefits | Improved workability, reduced cracking, enhanced adhesion, consistent batch-to-batch performance |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
| Shelf Life | 24 months from date of manufacture when stored properly |
Q1: What is the primary functional role of Bermocoll 3500 in aqueous formulations?
A: Bermocoll 3500 functions primarily as a rheology modifier and thickener, delivering efficient viscosity development, excellent suspension capability, and good shear-thinning behavior in water-based systems.
Q2: How does Bermocoll 3500 compare to standard hydroxyethyl cellulose (HEC) in terms of salt tolerance and stability?
A: The methyl ethyl hydroxyethyl cellulose structure provides enhanced compatibility with electrolytes and improved tolerance to moderate levels of salts compared to conventional HEC, supporting greater formulation robustness in challenging ionic environments.
Q3: Is Bermocoll 3500 suitable for use in low-VOC or solvent-free coatings and construction mortars?
A: Yes — Bermocoll 3500 is widely used in environmentally driven applications such as low-VOC architectural coatings, tile adhesives, and cementitious mortars, where it contributes to workability, open time, and sag resistance without introducing volatile solvents or harmful additives.
Q4: What is the typical dosage range for Bermocoll 3500 in industrial formulations?
A: Dosage is formulation-dependent but generally ranges from 0.1% to 2% by weight of the total system, with optimal performance often achieved at low-to-moderate concentrations due to its high efficiency and strong thickening power.
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