Types of Materials
There are several types of materials used in pepper mills. Each has its own particular advantages.
Stainless Steel: One of the most suitable and durable materials for grinding peppercorns. The male and female sections of the grinding mechanism are usually made from powdered, pressed metal. This material is preferred by professional chefs. The teeth of the grinder are machined to cut the spice. Stainless steel is not suggested for grinding salt.
Zinc alloy: Perhaps the most common mechanism found in pepper grinders, zinc alloy is composed of a mixture of metals, primarily zinc, with chrome plating to resist corrosion. It is a good choice for grinding pepper, but is not suitable for grinding salt.
Carbon steel: An extremely hard metal, carbon steel provides the sharpest edges and most efficient grinding capability, and is preferred by professional chefs. Carbon steel is not suitable for grinding salt.
Ceramic: Ceramic is extremely hard and provides the best performance for multi-use grinding. It is non-corrosive and suitable for grinding pepper, salt and spices.
Acrylic: Durable and low cost, acrylic is a non-corrosive material suitable for grinding salt and spices.
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