Magic Eraser Foam Sponge is ideal for cleaning, formed by sixrowed particles(much smaller than ten thousandth of hair), delicate texture, dense texture; Adopt the micro abrasive principle, fast wipe off the stubborn stains trapped in the microporous internal of the tile/ceramic, with water only, no damage the tile glossy finish. Unique Soap Inbuilt by revolutionary technology. How to use: 1.Wet this Eco-friendly Magic Sponge by clear water and squeeze out gently to be half-dry, do not twist. 2.Gently rub sponge on dirty surface in the same direction to remove the dirt and smudges. 3.Wipe off the upfloated dirt on the surface by dry cloth or paper towel. 4.Rinse the dirty sponge with water after use and dry it, dont need press hard. Can be used repeatedly. 1.Micro-abrasive: Micro-fibres, powerful cleaning 2.Micro-fibres: Delicate texture, no hurt the floor surface. 3.Soap Inbuilt: Effortless clean the stubborn stains. 4.Micro-abrasive principle, porwerful cleaning effect 5.Effortless and Quick clean stains thoroughly. 6.Eco-friendly, No need detergent more 1.Certificated Safe and Eco-friendly material 2.Types of Unique Products with excellent competitiveness in quality and price 3.Flexible production, accept private labelling and trial small orders, fast delivery time 4.Rich experience of exporting to substantial buyers

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Metalized sapphire windows are created by applying thin layers of chrome, nickel and gold around the edge of a sapphire window. This metalized edge creates a surface that can be soldered or bonded directly into your opto-mechanical assembly allowing you to create a hermetic seal. Hermetically sealed optics is used in a variety of applications ranging from infrared imaging systems to medical devices. Technical capability Material: optical sapphire (Al2O3) Diameter tolerance: +0, -0.1mm Thickness tolerance: +/-0.05mm Clear aperture: 90% Surface quality: 80-50 scratches and digs Surface accuracy: 2 lambdas per 25.4mm @ 632.8nm Parallelism: < 3 minutes Coating: AR coating, T > 98% @ 1260-1600nm Metalizing: Chrome, Nickel, and Gold; sputtering method or screen printing method