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Haysite Plastics H258

Thermoset Polyester

Glass Fiber Reinforcement

Supplied by Haysite Reinforced Plastics

The technical datasheet with complete property values for Haysite Plastics H258 is available to members of the Prospector Plastics Database.
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General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Glass Fiber Reinforcement
Features 
  • Good Dimensional Stability
  • High Heat Resistance
  
Appearance 
  • Grey
Forms 
  • Sheet
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Water Absorption (24 hr)
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength
psi
 ASTM D638
Flexural Modulus
psi
 ASTM D790
Flexural Strength
psi
 ASTM D790
Compressive Strength
psi
 ASTM D695
Shear Strength
psi
 ASTM D732
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
ft·lb/in
 ASTM D256
Hardness
Nominal Value
Unit
Test Method
Barcol Hardness
 
 ASTM D2583
Thermal
Nominal Value
Unit
Test Method
Thermal Conductivity
Btu·in/hr/ft²/°F
 ASTM C177
Electrical
Nominal Value
Unit
Test Method
Dielectric Strength (0.125 in, in Air and Oil)
V/mil
 ASTM D149
Dielectric Constant (60 Hz)
 
 ASTM D150
Dissipation Factor (60 Hz)
 
 ASTM D150
Arc Resistance
sec
 ASTM D495
Additional Information
The value listed as Dielectric Strength, ASTM D149, was tested in the perpendicular direction.
Service Operating Temp: >300°C
Dielectric Strength, ASTM D229, in Oil, Parallel: 62 kV
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Haysite Plastics H258, Haysite Plastics , HaysitePlasticsH258, HaysitePlastics, PlasticsH 258, PlasticsH258, Plastics, H 258, H258, Polyester, Thermoset, Polyester Thermoset, Polyester, TS, Polyester TS, Thermoset, TS, Haysite, PolyesterThermoset, PolyesterTS, 258H, 258PlasticsH
Features
Features may also be described by the following terms: Good Dimensional Stability, Dimensionally Stable, High Heat Resistance.
Notes
1Typical properties: these are not to be construed as specifications.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.