| 摘要 |
<p>Concrete product such as a building block or tile paving element having a thermoplastic or thermosetting continuous or non-continuous coating to render the product less susceptible to discolouration and erosion. Methods of treating a concrete product with such coatings by applying coatings to simultaneously or prior heated concrete products are also disclosed. The coating material may be applied as powder, aqueous dispersion or by dipping the product in liquid coating material.</p> |
