Polyurethane Cylinder Piston Rod Dual Seal UN D-4 D-6 D-7 with 93 Hardness and 30-35 Mpa Pressure
DingZing offers four types of DZ® polyurethane cylinder piston rod dual seals: UN, D-4, D-6, and D-7. These inherently tough seals are suitable for both piston and rod applications in hydraulic cylinders. Select sizes are also available in inch measurements.
| Mechanical Properties | Oil Resistance | Working Conditions |
|---|---|---|
|
Material: TPU, (D-6): TPU + NBR Specific Gravity (ASTM D792): 1.20 Hardness (ASTM D2240): 93 Tensile Strength (ASTM D412): 276 100% Modulus (ASTM D412): 100 300% Modulus (ASTM D412): 191 Compression Set 70h/70ºC (ASTM D395B): 42 Compression Set 70h/100ºC (ASTM D395B): 56 |
Testing Oil: Hydraulic Oil 46# Testing Temperature (ºC): 100 Testing Time (Hour): 100 Hardness Variation (Shore A): 0 Tensile Strength Variation (%): -5 Volume Variation (%): +0.12 |
Max. Working Pressure: 30 Mpa, (D-6): 35Mpa Working Speed: 0.03 ~ 0.5 m/sec Working Temperature: -20ºC ~ 100ºC |
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Our company operates with the principle of "integrity first" and specializes in high-quality seal and oil seal products from world-famous brands. We provide comprehensive services including product sales, brand agency, technical support, and after-sales service.
With over a decade of experience in the construction machinery industry, we maintain a strong product database and have established cooperative relationships nationwide, enabling resource sharing and complementary advantages to achieve win-win outcomes with our customers.
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