Electrical and electronic applications


GW1458HF has low warpage and high flow properties.
Used in connectors with narrow pitches that require high fluidity.


  • Low warpage
  • High flow

Application examples

Floating connector

Physical properties table

Units Test method Grade
Grade name GW1458HF
Type HB、Low-warpage、High-flow
Glass fiber content % 45

Basic physical properties

Specific gravity - ISO 1183 1.50
Water absorption rate(23℃ in water, 24hrs) ISO 62 0.12
Flammability - UL94 HB

Mechanical properties

Tensile strength MPa ISO 527 157
Tensile elongation ISO 527 1.5
Flexural strength MPa ISO 178 242
Flexural modulus GPa ISO 178 12.8
Charpy impact Test (notched) kJ/m2 ISO 179/1eA 16.0

Molding (flow) properties

Bar flow length(320℃/0.5mmt/750kgf) mm - 62

Dimensional properties

Mold shrinkage (2mmt)
:in direction of flow
% ISO 294-4 0.2
:at right angles to flow % ISO 294-4 0.7
*Test condition: absolute dry condition
* "Halogen free" indicates less than 900-ppm Br, less than 900-ppm CI, and less than 1500-ppm total halogen content (BR, CI)
*These are standard values and are not specifications which guarantee performance.

Contact us

Kuraray Co., Ltd.
Genestar Division