Furane

Aug 3 2001

Advantages

Better chemical resistance than Epoxies or Polyesters to acids, alkalies and solvents.  Good resistance to water penetration.  Better temperature resistance than Epoxies and Polyesters.  Excellent resistance to UV radiation. Very low smoke emission. Inherent fire resistance.

Disadvantages

Poor adhesion to porous surfaces. High exotherm and higher cure shrinkage than Epoxies.  Low viscosity makes lamination difficult.  Somewhat brittle.  Cure to black-red colour, application defects are not apparent.  Attacked by bromine, iodine and conc. chromic acid.

Typical Properties

Property

Value

Density   (g/cm3)

1.25

Surface Hardness

RR105

Tensile Strength (MPa)

15

Flexural Modulus (GPa)

4

Notched Izod (kJ/m)

0.02

Linear Expansion (/°C x 10-5)

6

Elongation at Break (%)

1

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

150

Water Absorption (%)

0.05

Oxygen Index (%)

30

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

1.25

Dielectric Strength (MV/m)

4.7

Dissipation Factor1kHz

NI

Dielectric Constant  1kHz

NI

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

200

Material Drying  hrs @ °C

NA

Melting Temp. Range (°C)

NA

Mould Shrinkage (%)

1

Mould Temp. Range (°C)

NA

Applications

Cements for chemical resistant flooring. With glass fibres or flakes as coatings for chemical process plant.  Binders for foundry sand and graphite refractories.  Adhesives for wood.

 

Source : Abstracted from Plascams

For more information on Plascams please visit The Rubber and Plastics Research Association

 

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