technical parameter Water absorption About 10% Bending strength 3.4Mpa Compresstion strength 12.8Mpa Bulk density 1120kgs/m3 Freezing resistance 10.7 Mpa at -20°C Sticking strength 1.5Mpa Description artificial stone: 1.has always provided timeless beauty and character, and now, more than ever, people can take advantage of architectural stone veneers and products to beautify their residences, their businesses, or even their back yards. 2.architectural stone provides the same authentic look as natural stone, but because it can be mass produced, it does so regardless of nature's supply. 3.Your home or business will look great without depleting or eroding the environment. mass produced architectural stone is generally cheaper than natural stone, which has to be hand-picked one rock at a time. 4.Remarkably lighter and much less awkward than natural stone, architectural stone is specifically designed to arrange easily, and stick in place permanently. How to install 1.Ensure wall surface is free from dirt , paint or grease. If necessary, roughen wall and apply mortar on the wall for better gripping. 2 .Apply tile adhesive on the entire back side of the stone. Avoid cement stain on stone surface by using tools, instend of bare hand. 3.arrange the stone first on the floor and then install on the wall. Always start with corner component before laying the flat component. Start for one end and work towards the other. Press each stone firmly into the mortar bed in a sliding motion. Ensure that individual stones are placed as closely as possible, creating uniform joints between them. 4.For random series with gaps, fill the joints with color grout using a grout bag..Better results can be archived by selecting color grouts which is similar in color with the stone. 5.It is recommended to use a trowel to archive a smooth and even finishing of color grout inside the joints. 6.Before the grout harden, use a stiff brush or wooden racking tool to remove excess grout or mortar from the surface of the stone. You may also use a wet brush to brush away small cement stains that got left behind.