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| Various types of glasses used in doors. |
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| Various types of glasses used in doors are following. |
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| 1) Clear window glass |
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| 2) Plate glass |
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| 3) Prism glass |
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| 4) Quartz glass |
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| 5) Processed glass |
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| 6) Frosted glass |
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| 7) Wire glass |
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| 8) Bullet proof glass |
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| 9) Pinhead glass |
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| 10) Insulating glass |
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| 11) Colored glass |
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| 1.Clear window glass: |
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| It is thin transparent flat glass. Its thickness varies from 2.5 to 7.5 mm. |
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| 2. Prism glass: |
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| It has prism shaped ribs which reflect light. These prisms are provided at different angles. |
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| 3. Plate glass: |
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| It is also plain flat transparent glass in thickness of 3 to 32 mm; fitted in the windows of costly buildings. |
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| 4. Quartz glass: |
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| The glass transmits ultra- violet rays and is used in hospitals. |
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| 5. Processed glass: |
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| The various types available in the market are ground glass, chipped one process and chipped two process glass. |
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| Some are used for providing privacy because they scatter/diffuse light while others transmit maximum light. |
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| 6. Frosted glass: |
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| This glass is made by breaking up of the polished surface by a sand blast (High-pressure air mixed with sand applied to the surface of glass to carve texture or to get a cloudy dull finish). |
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| It is used to reduce heat and glare. |
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| It is referred as ground glass or translucent glass also and is used mainly in toilets and other places where vision is blocked. |
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| 7. Wire glass: |
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| A network of wire is embedded in the glass for strengthening. |
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| 8. Bullet proof glass: |
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| This is manufactured with laminated plate glass. The glass breaks under the impact but does not turn into pieces. |
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| 9. Pinhead glass: |
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| This is also called perforated glass. Holes are made in sheet or plate glass with the help of roller to produce diffusion. It is used for the same purposes as frosted glass for. |
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| 10. Insulating glass: |
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| It is fitted in windows to prevent heat loss. The glass consists of two or more tightly sealed sheets, separated by 6-12 mm of dry air. |
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| 11. Colored glass: |
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| It is made by adding oxides of metals to molten glass. |
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