Resin, Flame Retardant and Additives

Polybutylene Naphthalate (PBN) Resin

General properties

Property Unit Measurement method Measurement condition PBN PBT
Specific gravity g/cm3 ASTM D792 - 1.31 1.31
Molding shrinkage
(1.5mm)
% In-house method Machine direction 1.16 1.67
Transverse direction 1.26 1.67
Tensile strength (max.) MPa ASTM D638 - 65 52
Tensile elongation (max.) % ASTM D638 - 87 >200
Flexural modulus MPa ASTM D790 - 1,920 2,550
Inpact strength
(1/8 inches)
J/m ASTM D256 Noched 34 34
Un-noched NB NB
Surface hardness - ASTM D785 Rockwell M102 M75
Melting point DSC method - 243 225
Glass transition temperature DSC method - 78 22
Deflection temperature under load ASTM D648 Load : 1.82MPa 77 58
  • *Figures described in this table are representative values, not the values for guaranteeing the performance under specific application.
    Meanwhile, the contents are subject to revision without prior notice.