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Manhole covers made of polymer concrete are resistant to many types of chemicals


Polymeric concrete is one of the resistant materials against all kind of chemical products without any reaction to contact, deformation or disintegration.

1Sulphuric acid 10%No effect
2Hydrochloric acid 10%No effect
3KerosinNo effect
4Sodium Hydroxide solutionNo effect
5Sodium chlorideNo effect
6Sulphate solutionNo effect
7Sulphate solutionNo effect
8Nitrate solutionNo effect

All test above mentioned are performed by NATIONAL RESEARCH CENTER, Egypt

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