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F220 Polyaspartic Ester Resin
1)Description:
Polyaspartic is a two component, high solids, aliphatic Polyaspartic. This unique new resin chemistry has provided the raw materials to formulate this coating that gives the desirable properties of polyester-polyurethane materials with shorter cure time and less film thickness limitations. Polyaspartic is a low viscosity, easy to handle product that gives very high gloss finishes that are both hard and abrasion resistant. This material releases soil easily and has excellent resistance to a broad range of chemicals. Unlike conventional polyurea materials, Polyaspartic has enough work time to be applied by brush and roller. It is very rapid curing and can be returned to full service in 24 hours. For exterior applications, a UV stabilizer package is incorporated to ensure long-term gloss retention and resistance to yellowing.
Ⅰ Chemical formula and molecular weight
● Chemical Name: Aspartic Acid, Polyaspartic Polyurea Resin, N,N'-[2-methy-1,5-pentanediyl)]bis-, 1,1',4,4'-tetraethyl Ester
● ELINCS No.: 433-260-2
● CAS No.: 168253-59-6
Ⅱ Properties and application
● FEISPARTIC F220 is reactive partner for polyisocyanates, is a solvent free amine-functional resin. FEISPARTIC F220 is the same model as NH1220,could be used for the formulation of tough but flexible, lightfast and highly reactive two-component polyurethane spray coatings.
●FEISPARTIC F220 can be applied in SPUA (spraying elastomeric polyurea) R component as chain extender and main resin,FEISPARTIC F220 can be used to formulate anti-corrosion coatings for the protection of steel structures, oil pipelines, bubble landscape, concrete waterproofing materials.
● Main Feature
1. 100% high solid resin,
2. Faster drying time , Touch dry time with HDI is 5min,
3. Excellent flexibility, Good leveling properties,
4. Great weather, water and chemical resistance,
5. Excellent wearing resistance (abrasion loss ≤ 20 mg (500r/750g)),
6. Good adhesion on plastics e.g, ABS, PC, PVC, and various metals.
Ⅲ Quality standard
Item | Specifications |
Appearance | Slight yellow transparent liquid |
Molecular Weight | 460 |
Solid Content | 97%±2% |
Amine value(mg KOH/g) | 235-255 |
Amine Equivalent(g/mol) | 230 |
Hydroxyl value Equivalent | 7.4 |
Viscosity mpa.s/25℃ | 60~100 |
Relative density(25℃) | 1.05 |
Flash Point(/℃) | 97 |
Polyaspartic Property Advantage
Property | Polyaspartic polyurea | Conventional polyurethane | Spray polyurea |
Environmental property | Environmental friendly, construction solid content 70%-100% | Poor environmental protection, construction solid content 30%-40% | Good environmental protection, construction content 100% |
Reaction speed | Curing time adjustive,20min-4h, normally cure in 15-℃ | Low reaction speed, request curing temperature above 5-℃, curing time more than 24h in normal temperature | Rapid curing speed, from seconds to tens of seconds |
Adhesion with substrate | Don’t need primer, the adhesion with carbon steel substrate is beyond 14Mpa, the adhesion with concrete reach 4.5Mpa. | Need primer, adhesion with carbon steel substrate less than 8MPa, adhesion with concrete is 2.5 Mpa | Need primer, low adhesion |
Weather resistance | QUVA test reach 4000h | QUVA test is 1000h at most | Poor weather resistance,QUVA <200h |
Film thickness | One time construction film 50μm—1mm | One time construction film 50μm——100μm | One time construction film 0.6mm-2mm |
Mechanical properties | Rigidity hardness 2H,elongation 400%, tensile strength 25MP | Rigidity hardness 2H,elongation 400%, tensile strenght 3MPa | Same as aspartic polyurea |
Construction | Multiple construction method, get rid of the restriction of specified equipment | Same as aspartic polyurea | Relying on large special equipment |
Feiyang Feispartic Resin in Various Applications
Application | F420 | F520 | F524 | F220 | F221 | F321 | F525 | F421 | F330 | F2850 | F2872 | D2905 | D2903 |
Anti-corrosion Coating | √ | √ | √ | √ | √ | √ | √ | √ | |||||
Waterproof Coating | √ | √ | √ | √ | √ | √ | √ | ||||||
Flooring Coating | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ||
Wood Coating | √ | √ | √ | √ | √ | ||||||||
Adhesive&Other | √ | √ | √ | √ | √ | √ | √ | √ |