Leather

Industrial leather remains a trusted sealing and wear material for legacy equipment, heritage restorations, and specialised applications where synthetic alternatives are not specified. We stock natural and chrome-tanned leather sheet in a range of thicknesses for washers, pump cups, hydraulic seals, and protective wear pads.

At a Glance

Temperature Range

-30 °C to +100 °C

Thickness Range

1.5 mm to 6 mm

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Technical Properties

Typical values across stocked grades. Specific grade data sheets available on request.

Material TypeVegetable-tanned and chrome-tanned industrial leather
Tanning TypesNatural (vegetable-tanned) and chrome-tanned
Temperature Range-30 °C to +100 °C (short-term to 120 °C dry)
Density0.86–1.05 g/cm³
Tensile Strength15–35 MPa (ASTM D2209)
Compressive Strength5–15 MPa (depends on tanning and temper)
Elongation at Break20–60 % (ASTM D2211)
Water Absorption40–70 % by weight (vegetable-tanned); 30–50 % (chrome-tanned, ASTM D1610)
Oil ResistanceModerate. Compatible with mineral oils and greases when impregnated
Chemical ResistanceResistant to mild alkalis and dilute acids; degraded by strong acids, oxidisers, and prolonged water immersion
Legacy ApplicationsYes. Specified for heritage and OEM-replacement seals
Thickness Range Stocked1.5 mm to 6 mm

Common Applications

  • Leather washers and gaskets
  • Pump cups and plunger seals (legacy equipment)
  • Hydraulic and pneumatic seals (heritage specifications)
  • Bellows and flexible diaphragms
  • Wear pads and bearing surfaces
  • Protective guards and chafe strips

Available Grades

Natural Tan Leather

Vegetable-tanned natural leather sheet with good firmness and wear resistance. The traditional grade for industrial washers, pump cups, and general-purpose sealing in legacy machinery.

Green Chrome-Tanned Leather

Chrome-tanned leather offering improved moisture resistance, flexibility, and durability compared to natural-tanned grades. Specified for hydraulic seals, bellows, and applications exposed to water or mild chemicals.

Need Leather?

We supply leather in sheet, roll, and custom die-cut forms. Contact our team for pricing, data sheets, or technical assistance.

Disclaimer

This resource is provided for general engineering reference only and does not constitute professional advice, specification, or guarantee of performance. Actual results depend on specific application conditions. Universal Gaskets Pty Ltd accepts no responsibility or liability for decisions made based on this information. For full terms, see our Terms & Conditions.