• Battery parts that protect the battery with heat resistance and flexibility



  • Flexibility: Uses thermoplastic polyester elastomer PELPRENE®
  • Flame retardancy: Flame retardancy equivalent to V-0
  • Heat resistance: Has been used in electronic components (connectors)


  • <<Physical properties table>>
Item Test method Unit P-50DFR
Surface hardness ASTM D2240 D 54
Specific gravity ASTM D792 1.36
50% Modulus ASTM D638 MPa 13
Flexural modulus ASTM D790 MPa 170
Tensile strength ASTM D638 MPa 22
Tensile elongation ASTM D638 620
Crystalline melting point DSC 215
Vicat softening temperature ASTM D1525 170
MFR(230℃、2.16㎏) ASTM D1238 g/10min 19
Flame retardancy UL94 mutatis mutandis Equivalent to V-0
Volume resistivity ASTM D257 Ω・cm 6×1013