Ashland NATROSOL 250HBR is a water - soluble non - ionic hydroxyethyl cellulose surface - treated with glyoxal, tailored for various water - based coatings and surface coatings. It is a white to beige powder, acting as a high - efficiency thickener, water retention aid and rheology modifier, capable of accurately controlling rheology throughout the application cycle, providing mechanical and chemical stability
Precise Rheology Control - Controls system rheology throughout the cycle, ensuring smooth construction and improving coating appearance and uniformity
High - Efficiency Thickening and Water Retention - High thickening efficiency, strongly locks water, reduces coating cracking and extends open time
Outstanding Stability and Compatibility - Compatible with various water - based system materials, good chemical and mechanical stability, stable between batches
Easy Dispersion and Dissolution - Disperses quickly without agglomeration, easier to dissolve, reducing production operation difficulty and time consumption
Architectural Water - Based Coatings - Thickens and retains water in interior/exterior latex paints, controls sagging and anti - splashing, and improves construction and storage stability
Industrial Surface Coatings - Thickens water - based primers and topcoats for metals/wood, ensures uniform film formation and enhances coating protection
Water - Based Adhesives - Acts as a protective colloid and stabilizer, improves bonding strength, and optimizes colloid rheology and storage stability
Pigment Dispersion Systems - Prevents pigment settlement and facilitates redispersion, ensures uniform and stable dispersion systems, and improves product quality
| Chemical Name | Hydroxyethyl Cellulose (HEC), surface-treated with glyoxal |
| CAS No. | 9004-62-9 |
| Chemical Type | Non-ionic water-soluble cellulose ether |
| Appearance | White to beige powder |
| Moisture Content (Max.) | 5% |
| Ash Content (Calculated as Sodium Sulfate, Max.) | 5.5% |
| Hydration Time at pH 8.0 | 4-25 minutes |
| Density | 1.38 g/cm³ (11.5 lb/gal) |
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