Resurfacing Engineering
- Surface Preparation Cleaning pressure: 1,500-2,500 psi. Surface profile: ICRI CSP 2-3. Moisture content: <15%. pH range: 6-9. Temperature: 50-90°F. Relative humidity: <85%.
- Material Interface Bond strength: 200-300 psi. Coefficient of friction: 0.5-0.7. Surface tension: 38-42 dynes/cm. Contact angle: <30°. Adhesion: ASTM D4541 Class 2+.
- Load Transfer Dead load capacity: existing + 2-4 psf. Live load rating: maintain existing. Impact resistance: 8-10 ft·lbs. Point load: 300-400 lbs/4ft². Fatigue cycles: 100,000.
Material Science
- Coating Properties Film thickness: 6-12 mils DFT. Elongation: 100-150%. Tensile strength: 3,000-4,000 psi. Shore D hardness: 65-75. VOC content: <50 g/L. Pot life: 2-4 hrs.
- Composite Systems Interlaminar shear: 2,200 psi. Glass transition: 140-160°F. Fiber content: 60-65%. Void content: <2%. Cure shrinkage: 0.2-0.4%. Heat distortion: 180°F.
- Environmental Resistance UV stability: ΔE <2.0/year. Chemical pH range: 3-12. Salt spray: 3,000 hrs. Freeze-thaw cycles: 300. Water absorption: <0.1%. Weather resistance: 10+ years.
Installation Standards
- Application Parameters Coverage rate: 80-100 ft²/gal. Mil thickness/coat: 4-6 WFT. Recoat window: 12-24 hrs. Cure time: 24-72 hrs. Application temp: 50-90°F. Dew point spread: >5°F.
- Quality Control Pull-off strength: >250 psi. Holiday testing: 100V/mil. Wet film gauge: ±0.5 mil. Surface profile: +2/-0 mil. Color consistency: ΔE <1.0. Gloss retention: 85%.
- Safety Measures Slip resistance: DCOF >0.42. Fire rating: Class A/B. VOC compliance: SCAQMD 1113. Flash point: >200°F. HAPS content: zero. Personal protection: Level C.