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|F2872:||Feiyang Protech||Appearance:||Slight Yellow Transparent Liquid|
|Molecular Weight:||680||Solid Content:||97%±2%|
|Amine Value(mg KOH/g):||180-200||Amine Equivalent(g/mol):||290|
|Hydroxyl Value Equivalent:||5.8|
F2872 NH2872 Polyaspartic Resin Weather Resistance
Polyurea technology and its related products were originated from the United States in 1981. The technology was patented by Bayer in 1992.
After years of research and development, polyurea materials has been developed from the first generation of aromatic spray polyurea and the second generation of aliphatic spray polyurea to the third generation of polyaspartate ester polyurea.
Polyaspartic polyurea belongs to premium innovative material, which is a new two-component polyurea material with adjustable curing speed, rigid and flexible, low temperature curing, super weather resistance, environmental protection and high performance.
On the one hand, it overcomes the defects such as the reaction rate of spraying polyurea system which is too fast to control, and the adhesion is poor and the construction depends on large equipment.
On the other hand, it also overcomes the defects of the traditional polyurethane coating system, such as higher VOCs content, low temperature curing, and baking equipment auxiliary curing.
Ⅰ Chemical formula and molecular weight
● Chemical Name: Aspartic Acid, Polyaspartic Polyurea Resin
Ⅱ Properties and application
●FEISPARTIC F2872 is Aminofunctional co-reactant for polyisocyanates,it’s the same model as NH2872 XP, could be used for the formulation of high-solids, two-component polyurethane topcoats and solvent-free coating materials
● FEISPARTIC F2872 could serve as chain extender or R component in polyurea coating. It could also react with –NCO functional HDI trimmer from which longer gelling time and excellent yellow resistance can be achieved. F2872 could be applied to high solid anti-corrosion coating, high flexibility waterproofing coating, solvent free sealant and high rebound elasticity flooring coating.
1. Lower viscosity, can be reactive diluent in Polyaspartic system
2. Could be made into environmental coatings which has high solid content with low viscosity.
3. The reactivity is modest, could be used to extend working time
4. Providing excellent hardness, leveling property, gloss and touch feel to the coating
5. Paint film can offer excellent low temperature flexibility, waterproof and solvent resistance as well as acid and alkali resistance etc.
6. Can react with our elastic curing agent to make elastic materials with excellent mechanical properties of which elongation can reach to 400%.
Ⅲ Quality standard
|Appearance||Slight yellow transparent liquid|
|Amine value(mg KOH/g)||180-200|
|Hydroxyl value Equivalent||5.8-5.9|