| natural black granite stone, the black granite is a naturally hard, non-porous material, which is highly resistant to chipping, scratching and staining. granite is not affected by household acids and alkalis. Silgranit is also heat resistant up to 536° Fahrenhe it. Granite Sink Care To remove Calcium Deposits (a white ring around the bottom of your sink): use LIME AWAY. To remove Adhesive Labels: use Acetone (nail polish remover). Note: Always test non-Blanco branded stain remover in a small, non-visible location. WHAT NOT TO USE: 1) Do not use any abrasive cleaning agents or scrub pads, such as Steel Wool 2) Straight bleach 3) Commercial alkalis, such as ammonia and/or caustic solutions ) Drain blocking chemicals that involve filling the sink with water Note: Always test non-Blanco branded stain remover in a small, non-visible location. |