Granulated Cork – 4–6 mm
Material: Natural Cork (Quercus suber)
Grain Size: 4 to 6 mm
Appearance: Light brown, irregular granules
Density: ~100–200 kg/m³ (variable)
Description:
Granulated cork is a lightweight, renewable material made from the bark of the cork oak tree. This 4–6 mm fraction offers a coarse grain size, ideal for insulation, lightweight fillers, gaskets, pyrotechnics, and craft applications. It is chemically inert, elastic, compressible, and resistant to moisture, mildew, and many chemicals.
Applications:
Construction & Insulation
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Used as thermal and acoustic insulation in walls, floors, and roofs
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Fills expansion joints in concrete and other building materials
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Lightweight aggregate in plasters or mortars
Pyrotechnics
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Acts as a shock absorber and spacer in rocket motors and mines
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Used in lift charges and burst delays for fragmentation buffering
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Creates low-density effects or debris-like particles in special compositions
Crafts & Model Making
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Ideal for terrains, dioramas, basing material (simulates bark, rocks, or dirt)
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Can be colored or painted for visual effects in miniatures or scenery
Industrial
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Added to rubber/plastic blends for producing gaskets, floor tiles, and vibration-dampening parts
Key Properties:
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Natural & biodegradable
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Excellent elasticity and recovery
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Chemically stable and low conductivity
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Low water absorption
Handling & Storage:
Store in a dry, well-ventilated area. Avoid prolonged exposure to moisture. Safe to handle with minimal PPE.
Packaging:
Available in 250 g, 500 g, 1000 g bags or bulk sacks upon request.
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