Properties
Engineered stone is typically worked in the same way as natural stone using a water jet cutter or a diamond blade. This is in contrast with solid surface materials which can be cut with regular saws.
The material can be produced in either 12 mm, 20 mm or 30 mm thicknesses. The most common slab format is 3040 mm x 1440 mm, but other sizes like 3040 mm x 1650 mm are produced according to market demand.
Engineered stone is typically stronger in flexibility and hardness, and less porous, than natural stone, but not in all cases. Less porous varieties are more resistant to mould and mildew then traditional stone. It is typically uniform in structure leading to inherent strength, whereas natural stone may by-nature contain fissures, cracks, or weaknesses in structure. Its polyester resin binding agents allow some flexibility, preventing cracking under flexural pressure. But, the binding agents often continue to harden, leading to a loss of flexural strength over time. The polyester resins are not completely UV stable and engineered stone should not be used in outdoor applications. Continuous exposure to UV can cause discoloration of the stone, and breakdown of the resin binder. The material is damaged by direct application of heat, and should not be used close to a direct source of ignition.
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