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Zurcon® - L-Cup - RL08N0220-Z20

Zurcon® L-Cup® is a single acting polyurethane rod seal with a unique design offering a hydrodynamic backpumping ability over the complete working pressure range.

Quality & Norms:

Correspond to recommendation of ISO 5597 yes  

Product info:

Preferred TSS material combination yes  

Material Properties:

Maximum Operating Temperature 110  °C

Minimum Operating Temperature -35  °C

Hardness Nominal 93  

Hardness Tolerance +/- 3  

Hardness Unit Shore A  

Color Turquoise  

Specific Gravity 1.2  g/cm³

Gravity Tolerance +/-0.02  g/cm³

Material Type PUR  

Modulus 100% 13.2  MPa

Tensile Strength 45  MPa

Elongation at break 450  %

Compression Set 24  %

Compression Set Test Conditions 72h/70°C  

TR 10 Point -37  °C

Installation Dimensions:

Rod dia., dN f8 22  mm

Groove dia., D H10 30  mm

Groove width, L +0,25 6.3  mm

Radius, r max. 0.3  mm

Split groove yes  

Ring width T 5.7  mm

Seal Capabilities:

Min. Temperature -35  °C

Max. Temperature 110  °C

Speed max. 0.5  m/s

Pressure max. 40  MPa

Zurcon® - L-Cup

Material Information for the product(s) on this page


Material data sheet



Basic Material:



93 (Shore A)

Commercial Description:

Zurcon® Z20, 93ShA proprietary Thermoplastic Polyurethane material based on aromatic diisocyanate and polyester diol. Developed by Trelleborg Sealing Solutions for hydraulic application sealing elements, Zurcon® Z20 offers high wear and extrusion resistance, low compression set, a wide operating temperature range, minimal swelling in mineral oil and acceptable hydrolysis resistance.