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Robnor MP304H

Chemical Family
Polyurethanes (PU)

Robnor MP304H is a two-part rigid polyurethane foam used for space filling, Insulation and protection.

Product families

Composite Materials — Core Materials
  • Foam Cores

Other characteristics

Brand
Robnor
Core Type
Polyurethane Foam
Functions
Core Material
Compatible Polymers & Resins
Polyurethanes (PU)
Resin
RP304H
Markets
  • Automotive & Transportation
  • Electrical & Electronics
Hardener
HP304H
Core
Polyurethane Foam
PACKAGING
MP304H is available in bulk containers and kits
Application
  • Cable blocking
  • Insulation
  • Anti-vibration
Technology
Composite Materials
Key Property
  • Closed cell
  • Fast curing
  • Non-shrinking
Packaging Type
Bulk
Health and Safety

Resins, hardeners and solvents may cause sensitisation by skin contact or inhalation may be corrosive, harmful or toxic. It is therefore strongly recommended that skin and eye contact is avoided by the using of appropriate personal protective equipment; such as gloves, safety glasses or goggles and overalls.; Wash any contamination from the skin immediately and thoroughly and do not eat, smoke or drink in the working vicinity. Under spraying conditions where vapor levels are likely to exceed the occupational exposure limits appropriate respiratory protection must be worn.; suitable spray booth should be used with appropriate solvent scrubbing, cleaning and collection facilities. Local exhaust ventilation (LEV) will be required especially for curing ovens or where large volumes of material are curing. The above is given as a guide only; please refer to RP/HP304H Health and Safety data or our Technical Service Department for individual/specific advice.

Composites End Use
Marine Applications
Material Features
  • Electrically Insulating
  • Excellent Filling Properties
  • Fast Curing
  • Flexible
  • Good Shrinkage Resistance
  • Vibration Damping
Shelf Life Storage

Material stored in the original unopened containers under cool dry condition between 15° and 25°C will have a shelf life of at least one year. Once used the containers must be kept sealed to prevent effects from water, air or contaminants.

Certifications and Compliance
  • ISO 9001
  • RoHS Compliant

Technical data

Table 1 of 1

18 rows
CharacteristicValueUnit
Resin Specific Gravity1.04—
Resin Viscosity (25°C)800.0mPa.s
Hardener Specific Gravity1.24—
Hardener Viscosity (25°C)350.0mPa.s
Specific Gravity (Mixed)1.13—
Viscosity (Mixed, 25°C)500.0mPa.s
Thermal Conductivity0.03W/m. K
Co-efficient of Thermal Expansion60 - 80ppm/°C
Dielectric Constant (25°C)1.550hz
Operating Temperature range-60 to +130°C
Compressive Strength0.1MPa
Tack Free Time10.0Minutes

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