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Corrosion of stonework

Stonework is corroding through the world mostly due to pollution of the atmosphere. While the rate of corrosion on structurally used stone may be very slow, a centimetre a century, this rate on decorative stonework is disastrous. Priceless statues are being eaten away
Sulphur dioxide formed by burning high-sulphur fossilized fuel is especially damaging to limestone. The calcium carbonate interacts with the sulphur dioxide and becomes calcium sulphate which is more soluble and washes away in the rain

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To preserve stonework, understand how it was created

Coating ancient objects with materials you think will preserve them may actually bring more deterioration. It is helpful to have a layer of sealing material on carved statues. But if they were cast...

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great post ... very informative site .., the way you have frame the information is really very impressive ., very good work and you did a great job by posting this information here :)
- glamoxy rodial

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