O-Ring 145mm x 4mm Polyurethane (PU) 90 ShA Blue -30°C to +100°C

SKU

145X4PUG90

Size:: 145mm ID x 4mm CS
Material:: Polyurethane (PU)
Hardness:: 90 ShA
Colour:: Blue
Temp Range:: -30°C to +100°C

Polyurethane (PU) o-rings are engineered for superior sealing performance in harsh environments, including exposure to oils, fuels, aggressive chemicals, and extreme temperatures.

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Details

Polyurethane (PU) O-rings are engineered for superior sealing performance in harsh environments, including exposure to oils, fuels, aggressive chemicals, and extreme temperatures. Known for their exceptional abrasion resistance, flexibility, and high mechanical strength.

Dimensions:: 145mm ID x 4mm CS
ID Tolerance: ±1.12mm
CS Tolerance: ±0.1mm
Material Properties:: Hardness: 90 ShA
Colour: Blue
Temperature Range: -30°C to +100°C
Key Benefits of Polyurethane (PU) O-Rings:: Chemical Resistance
High-Temperature Stability
Low-Temperature Flexibility
Low Compression Set
Long-Term Durability
High Mechanical Strength
Chemical Resistance:: Ethanol, isopropyl alcohol
Hydraulic fluid, mineral oil
Hydrochloric acid, sulfuric acid, sodium hydroxide
Hydrogen peroxide
Outstanding performance in high-temperature environments, with superior resistance to water, steam, and outdoor conditions.
Ideal for long-term exposure to harsh chemicals, extreme temperatures, and physically demanding conditions.
Not Compatible With:: Aromatic and chlorinated hydrocarbons
Strong oxidising agents
High concentrations of acids at elevated temperatures
Key Applications:: Automotive
Chemical Processing
Oil & Gas
Pharmaceuticals
Food & Beverage (especially where contamination must be avoided)
Medical Devices (due to their non-toxic properties)

Specification

Specification
Material	Polyurethane (PU)
Colour	Blue
Cross Section Diameter (mm)	£4.00
Cross Section Tolerance	±0.1
Internal Diameter (mm)	£145.00
Internal Diameter Tolerance	±1.12
Cross Section Type	Circular
Hardness	90 ShA
Maximum Temperature (°C)	100
Minimum Temperature (°C)	-30
Weight (kg)	0.0071
Tensile Strength	18.3 MPa