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Piston Seals

DingZing offers 2 types of DZ® piston seals: D-1 and D-8. These seals are used only for pistons, and select sizes are available in inches.

Mechanical Properties
  • • Material: TPU, (D-8): TPU + PA
  • • Specific Gravity (ASTM D792): 1.20
  • • Hardness (ASTM D2240): 95
  • • Tensile Strength (ASTM D412): 317
  • • 100% Modulus (ASTM D412): 110
  • • 300% Modulus (ASTM D412): 170
  • • Compression Set 70h/70ºC (ASTM D395B): 34
  • • Compression Set 70h/100ºC (ASTM D395B): 56
 Oil Resistance
  • • Testing Oil: Hydraulic Oil 46#
  • • Testing Temperature (ºC): 100
  • • Testing Time (Hour): 100
  • • Hardness Variation (Shore A): -1
  • • Tensile Strength Variation (%): -4
  • • Volume Variation (%): +0.08
Working Conditions
  • • Max. Working Pressure: 40 Mpa
  • • Working Speed: 0.03 ~ 0.5 m/sec
  • • Working Temperature: -20ºC ~ 100ºC
  
Type Section Material

Hardness

(Shore A)

Adaptable

Temp ºC
D-1 TPU 95 -20ºC ~ 100ºC
D-8 TPU + PA 95 -20ºC ~ 100ºC

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