Isocyanate Hardener
FEICURE GB905B-85
FEICURE GB905B-85 is an aliphatic isocyanate prepolymer hardener modified with difunctional linear polyester. It offers low viscosity, good flexibility, strong mechanical performance, long-term UV resistance, and excellent salt spray resistance, making it suitable for high-solids weather-resistant topcoat systems.
Typical Properties
| Index | Value |
|---|---|
| Appearance | Colorless to light yellow transparent liquid |
| Hazen (Pt-Co) | ≤150 |
| Solid Content (%) | 85±2 (in XYL) |
| NCO Content (%) | 6.6 ~ 7.2 |
| Viscosity (mPa·s/25℃) | 1000 ~ 3000 |
| Relative Density (25℃) | 1.07±0.02 |
Applications
- Suitable for weather-resistant waterproofing coatings, floor coatings, and anti-corrosion topcoats for steel structures.
- Can be used to formulate yellowing-resistant adhesives.
- Suitable for weather-resistant exterior wall coatings.
Packing & Storage Information
Packing
200 Kgs/Drum, 10 Kgs/Drum
Shelf Life
FEICURE GB905B-85 must be stored in airtight containers to prevent contact with moisture. Recommended storage temperature is 0℃-30℃ (32℉-86℉). The shelf life in the closed original container is 12 months.
Notice
- FEICURE GB905B-85 is combustible and should be stored at the temperature at 0℃- 30°C. It should be kept away from fire source and stored in a cool, dry and ventilated environment. The storage period is 12 months.
- The coating formulated with FEICURE GB905B-85 should be tested for performance after one week’s maintenance.
Why Choose Feiyang Protech
In-house R&D lab
Continuous innovation and quality assurance
3 production plants
Stable supply and global service
26,000-ton annual capacity
Strong capacity to support your growth
200+ Customers in 30+ Countries
Trusted by coating manufacturers worldwide
80+ patents
Continuous innovation backed by independent intellectual property
Get In Touch
With The Feiyang Protech Team
Feiyang Protech has an in-house R&D lab since 2004 with 40 engineers, providing custom formulas and technical support. The company operates three plants with 60,000 square meters of production area, serving over 200 firms in more than 30 countries. It offers factory-direct supply with economies of scale, a 26,000-ton capacity, and over 30 years of industry experience. Feiyang Protech also holds 84 invention patents, 17 industry standards, and ECOVADIS Silver certification.