The Lumen Stone Black is a granite-composite double-bowl sink shaped for kitchens that want to separate washing-up from food preparation. Both bowls are moulded into a single, joint-free body — no welded edges, no silicone bridges to discolour with age. The matt black colour comes from high-density natural granite particles bonded into a UV-stable resin matrix, so the tone stays consistent rather than fading toward grey.Composite construction makes the sink heat-resistant to roughly 280°C and unaffected by acidic foods, wine or coffee stains.The dual-bowl format fits a 600 mm cabinet via undermount installation, with mounting brackets supplied. Pair with white, grey or wood-look worktops for contrast.
To keep your sink looking its best, clean regularly with warm soapy water and a soft cloth, then rinse and dry thoroughly to prevent water spots and limescale build-up. Avoid abrasive pads, harsh chemicals, bleach, or acidic cleaners, as these may damage the surface finish. For everyday marks, use a non-abrasive cleaner suitable for the sink material and always wipe in the direction of the grain where applicable. Do not leave standing water, metal objects, or staining substances on the surface for long periods. With simple routine care, your sink will maintain its appearance and performance for years to come.
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