R.E. LITCHFIELD / SCIENCE PHOTO LIBRARY R.E. LITCHFIELD / SCIENCE PHOTO LIBRARY
Nylon crystals. Polarised light micrograph of nylon 6 spherulites (crystals). The spherulites appear as yellow and blue circles in a cross pattern. They form when a polymer such as nylon is slowly cooled from its molten state. Rapid cooling produces smaller crystals, this is desirable as it makes the polymer more mouldable and less brittle. Nylon is an ideal material for textile fibres and is often used in clothing. Nylon fibres can also be used for things like fishing rods. Nylon can also be moulded into articles such as dishware, combs and machinery parts. Magnification: x25 at 35mm size.
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