PHYSICAL PROPERTIES OF POLYMECH UHMWPE

Density

0.935  g/cm3

Tensile Strength at yield point at 20oC

230 kg/cm2

Tenacity at 20o C

450 kg/cm3

Bending E Modulus

7500 kg/cm2

Limit bending strength

280 kg/cm

Notch impact strength

No break

Notch impact strength

(with sharp pointed notch)

No break

Notch impact strength

(with pointed notch on either side)

180 cmkg/cm2

Shore hardness D

67

Friction coefficient

0.08

Ball pressure hardness after 10 sec

450 kg/cm2

Ball pressure hardness after 60 sec

400 kg/cm2

Crystalline fusing range

135-138o C

Shape retention under heat action (Vicat)

74C

Thermal stability (66 psi)

96C

Linear expansion coefficient

2x10-4/0C

Specific heat

0.55 kcal/kg grad

Heat conductivity

0.35 kcal/mh grad

Degree of deviation

ca. 1018   ohm.cm

Surface resistance

Over 1012   ohm

Dielectric loss factor

ca.40-4

IDEAL PROPERTIES OF POLYMECH UHMWPE

  • High resistance to wear and tear
  • High bending and impact strength
  • Excellent antifriction property
  • Resistance to chemicals and corrosion
  • Insulating material
  • Water repellent
  • Low specific gravity
  • Dimensional stability
  • Good thermal and electrical insulating property