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Normac Adhesive Products NR-7S

Normac Adhesive Products NR-7Ssolvent based Polyurethane spray coating has a hardness of 60D and is extremely adaptable utilizing additives to find unique solutions while using inexpensive simple to use equipment. Easily applied using standard airless or conventional spray equipment as well by brush or roller. This product offers a very low coefficient of friction allowing for applications that require non-sticking, improved material flow rates, and easy cleaning.

Product Type: 2K (2 component) Coating, Solventborne Coating

Features: Abrasion Resistant

Application Method: Brush, Roller, Spray

Chemical Family: Polyurethanes (PU)

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Prepolymer
Aliphatic Polyether

Features & Benefits

Ready-to-Use Product Features
KEY BENEFITS

• Seamless monolithic • Corrosion resistance
• Additives – color, UV stabilizer, anti-static
• Any climate • Reduced bridging

Applications & Uses

Application Method
SURFACE PREPARATION

Grit-blast using standard SSPC-SP10 near white including minimum 50 micron (0.002”) angular depth profile for maximum adhesion or mechanically roughen using standard SSPC-SP11 to achieve desired adhesion strength. Primers must always be used.
Primers: NP-9500: Metal or Polyurethane
NP-9600: Metal immersion service with NP-9500.
NP-100: Concrete

APPLICATION DATA (23°C / 73°F)

Mix Ratio: 100A: 27B by weight
Temperature: 7°C to 40°C (45°F to 104°F)
Dilution: Dichloromethane, Methyl Ethyl Ketone
Working Time: >1 hour
Tack free: 1 hour
Recoat Time: 15 minutes, maximum 72 hours
Light duty service: 24 hours
Ultimate cure: 5 days
Clean up: Non-oil-based solvent

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Hardness55 - 65Shore D-
Theoretical Coverage (25 micron/kg (94.88 sqft at. 001”/lb))19.44sqm-
Solids Content56.93%-
Flash Point-9.0°C-
Tensile Strength35.16 (5100 )-ASTM D412
Elongation220.0%ASTM D412
Tear Strength91.94 (525 )kN/m(lb-in)ASTM D624 Die C
Taber Abrasion 1kf, 1000cy, H-1890 lossmgASTM D4060-19
Impact Resistancemax. 28.02 (160 )kN/m(pli)ASTM D2794
Operating Temperatures-56(-70)-93(200)°C(°F)-
Immersion Operating TempMax 60 (140)°C(°F)-
Vapor Transmissionmin. 0.10-ASTM E96-80
TransportationDGR--

Packaging & Availability

Available Kit Sizes

1 kg, 5 kg, 25.4 kg, 275 kg 

Storage & Handling

Storage

Shelf Life: 2 years unopened
Storage: 23°C/73°F, dry away from sunlight