Polyester - Vinyl Ester

Sponsored by Dotmar EPP Pty LtdAug 16 2001

Higher maximum operating temperature and oxygen index, and significantly lower mould shrinkage compared with rigid casting polyester.

Disadvantages

Lower flexural modulus and HDT than rigid casting polyester.

Property	Value
Density (g/cm³)	1.05
Surface Hardness	RM80
Tensile Strength (MPa)	60
Flexural Modulus (GPa)	3
Notched Izod (kJ/m)	0.02
Linear Expansion (/°C x 10^-5)	7.5
Elongation at Break (%)	5
Strain at Yield (%)	N/A
Max. Operating Temp. (°C)	140
Water Absorption (%)	0.2
Oxygen Index (%)	24
Flammability UL94	V1
Volume Resistivity (log ohm.cm)	15
Dielectric Strength (MV/m)	16
Dissipation Factor1kHz	0.015
Dielectric Constant 1kHz	4.5
HDT @ 0.45 MPa (°C)	90
HDT @ 1.80 MPa (°C)	75
Material Drying hrs @ °C	NA
Melting Temp. Range (°C)	20 - 50
Mould Shrinkage (%)	0.25
Mould Temp. Range (°C)	130 - 150

Absorption towers, process vessels, storage tanks, piping, hood scrubbers, ducts and exhaust stacks.

This information has been sourced, reviewed and adapted from materials provided by Dotmar EPP Pty Ltd.

For more information on this source, please visit Dotmar EPP Pty Ltd.

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