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Arjay Technologies 5121 Premium Radius

Arjay Technologies 5121 Premium Radius combined with premium vinyl ester resins, resulting in high physical strength,excellent blister resistance and HDT > 200 °F. It is formulated especially for filling behind the gel coat of tight radii and bonding glass to glass joints. In addition, Arjay’s 5121 Brushable Radius Compound has excellent crack resistance, reduces finish work and helps provide better overall cosmetics.

Product Type: Adhesive

Chemical Family: Vinyl Esters, Vinyls, Vinylics & Vinyl Derivatives

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Knowde Enhanced TDS

Identification & Functionality

Product Type

Features & Benefits

Performance Benefits
  • Formulated with premium vinyl ester resins
  • Low exotherm and shrinkage for better finishes
  • Reduces air voids in larger components
  • Maintains resiliency to resist cracks
  • High impact resistance
  • Low styrene content

Applications & Uses

Recommended For
Fileting Radii Filling Transitioning Style lines
Bonding FRP Parts Filling Strakes
Bonding on Vertical Surfaces Larger Components
General Bonding  

 

Properties

Physical Form
Odor
Styrene
Textures
Smooth
Typical Physical Properties
ValueUnitsTest Method / Conditions
Weight10.5 - 11.5lbs/gallon
Typical Properties
ValueUnitsTest Method / Conditions
Viscosity (RPM) 2620,000 - 960,000µ
Viscosity (RPM) 2060,000 - 100,000µ
Typical Cured Properties
ValueUnitsTest Method / Conditions
Tensile Elongation (75°F (24°C))1.5 - 2.5%
Tensile Strength (75°F (24°C))4050-4400PSI
Flexural Strength (75°F (24°C))4600 - 4850PSI
Compressive Strength (75°F (24°C))3000 - 3350PSI
Lap Shear (75°F (24°C))2400 - 2800PSI
Heat Deflection (75°F (24°C))205 - 220°F
Linear Shrinkage (75°F (24°C))max. 1%
Shore D Hardness (75°F (24°C))65 - 85

Technical Details & Test Data

Working Properties
Gel Time Reaction Time Fixture Time Peak Exotherm
40-60 min 18-35 min 58-95 min 240-320° F

 

Packaging & Availability

Packaging Type
Packaging

ITEM# 2121 Pails 5 Gal./19 L

Storage & Handling

Shelf Life
6 months