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PS8500 Waterproof Elastic Polyaspartic Polyurea Middle Coat
PS8500 Waterproof Elastic Polyaspartic Polyurea Middle coat is a specialized developed thick waterproof coating by FEIYANG Novel Materials with high solid content . Main ingredient is Aliphatic two-component Polyaspartic Ester Resin which is a self-produced product by FEIFANG Novel Materials.
Feature:   
l Approximate 100% Solid-content, green and low carbon, low cost.
2 Fast Reaction Time; Convenient Installation; NO sagging for facades content coating (0.4-0.6mm /time).
3  Excellent Acid-Alkali-Resisting.
4  Good Adhesion (to substrate).
5 Good Elasticity, High Intensity, Super Anti-Collision, Anti-Friction and Abrasion Resistance.
6  Easy operation can be applied as spraying, brushing, roller coating and airless spraying.
Usage: 
l  Concrete substrate of high-way, railway, bridge, water dam, coastal engineering application.
2  Polyurea self-leveling elastic terrace.
3  Elastic floating coating for swimming pools or ponds.
4  Waterproof floating coating for dam.
Key Performance Index
 
| Performance index./Inspection items | Spec. | 
| solid content(%) | ≥ 95 % | 
| fineness(μm) | ≤25 | 
| Reaction time | Touchdry≤ 60 min | 
| construction period | ≥1h | 
| tensile strength(MPa) | 8-15MPa | 
| elongation(%) | 100-300% | 
| tearing strength(kN/m) | ≥70 | 
| hardness(A) | ≥70 | 
| bonding strength to primer(MPa) | ≥3MPa or substrate destroyed | 
| Foldability at low temperature | ≤-35℃,No crack | 
| Abrasion Resistance(750g/500r)/mg | ≤20 | 
| Salt Tolerance(3%NaCl solution) | Good film, No blister | 
| Oil Resistance 240 (engine) | Good film, No blister | 
| Alkali resistance 240h(5%NaOH solution) | Good film, No blister | 
| Acid resistance 240h(5%H2SO4 solution) | Good film, No blister | 
| Waterproof 30 days | No blister | 
Usage:      
PA finish coat: cure agent=100:100
Spraying, brushing, roller coating, airless spraying 
Construction period:0.5-1h
Coating Interval:
Recoating>4h (depends on on-site temperature and thickness)
Attention:
1. Stored in shade, dry and air place, No solarization and No damp
2. When using, make sure is evenly stirred and filtered by 200 mesh strainer
Package: Paint: 20kg/barrel
Cure agent: 10kg/barrel
Storage:
This Polyaspartic Polyurea waterproof coating  is flammable and explosive dangerous chemical. Stay away from heat or fire and avoid rough crush.