Micro-Ultra 15-3 Filler - White
Micro-Ultra 15-3 Filler - White

Micro-Ultra 15-3 Filler - White

  • Features : Light Weight - Fire Retardant
  • Color: White (Use 1-3% BPO Paste)
  • Availability: 2 Week Lead Time
  • Description: Micro-Ultra 15-3 set fast filler paste is a rigid, light weight (low density) system meeting FAR 25.853a for the stringent requirements of the aerospace and aircraft industries. It is non-conductive and has excellent finishing properties as well as excellent bonding and filling qualities with fiberglass, SMC, BMC, RIM, FRP, graphite and Kevlar composites. It withstands vibrations and impact without loss of bond or surface webbing. Micro-Ultra 15-3 can be applied by splining, squeegee, spatula, or any flat type tool. Once set, it can be finished by mechanical or hand sanding or grinding. Manufactured by Axson USA, Inc.
  • Special Handling Fee: This item is considered hazardous in volumes greater than gallon sizes and will include a special handling fee when ordered in individual units with volumes greater than a gallon. BPO Hardener is considered a hazardous material in any volume and can only be shipped by ground.
  • NOTE: Micro-Ultra 15-3 comes with RED BPO included. Should Black or White BPO be needed, it may be purchased for an additional charge by selecting the desired color below.
  • Manufacturer: Axson USA, Inc.

Choose Options

Gallon + 4 oz. Red BPO Hardener
BPO Hardener Color help
White [+$7.24]
Black [+$7.24]
Handling Characteristics @ 77°F
Mix Ratio (parts by weight or volume) 100R/2H
Mixed Viscosity Thixotropic Paste
Mixed Consistency Creamy Paste
Specific Gravity 1.2 g/cc
Work Life (50g mass) 4-8 minutes
Finish Schedule 12-15 minutes
Hardness 75-77 Shore D
Storage Requirement 40°F - 80°F
Typical Physical Properties
Tensile Strength (ASTM D-638) 1,887 psi
Flexural Strength (ASTM D-790) 2,790 psi
Flexural Modulus (ASTM D-790) 438,000 psi
Compression Strength (ASTM D-695) 5,627 psi
Heat Deflection Temperature (ASTM D-648) 128°F
Coefficient of Linear Thermal Expansion (TMA) (ppm/°F) 18
Water Absorption (ASTM D-570)
(after 24 hours immersion in distilled water)
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