leerlaag

Leerlaag is a Dutch term that literally translates to "leather layer." It refers to a layer made of leather that forms part of a leather-based material or product. The concept is used in leatherworking, upholstery, and product specification to identify the leather portion of a composite assembly, as distinct from fabrics, foams, or synthetic backings. In leather production, hides are processed to create several layers of varying thickness and quality. The outermost surface, known as the top layer or grain, constitutes a prominent leerlaag in high-quality leather, while the inner layers, such as the flesh side or split leather, may form different leerlagen with different properties (flexibility, strength, appearance). In composites, a leather veneer or leather layer may be bonded to a substrate to create a reconstructed leather product.

In practical terms, leerlaag affects appearance, feel, durability, and care. The choice of leerlaag influences abrasion resistance, colorfastness, and moisture handling. Common applications include footwear, belts, bags, furniture upholstery, and car interiors. In conservation or restoration of leather items, preserving the leerlaag is essential, as damage to the outer layer often requires specialized refinishing.

Maintenance: to preserve the leerlaag, use appropriate leather cleaners and conditioners, avoid excessive moisture, and protect from direct sunlight and heat. For long-term storage, store in a well-ventilated environment.

See also: leather, tanning, top grain, full-grain, split leather, upholstery.