Slate is ancient geological time carry large river sediment deposited by long-term formed geological change. Therefore, on the geology and called the sedimentary rock. Because the SLATE forming process and the geographical environment in different from granite, therefore, it does not contain harmful elements, no radioactive. Meanwhile, because SLATE is by the river sediment in the sedimentation and become, thus has the unique bedding and split reason, can split into pieces (artificial random, and the surface level off a piece), i.e. the nature, texture natural give human natural building decoration materials.
In Europe and the United States, SLATE, as a kind of main construction and decoration materials are widely used in roof (watts SLATE) and wall, ground, and formed the unique architectural style "black roof culture". Natural SLATE, in addition to its practical outside, is more bibulous rate is low, acid, fight decency and compressive strength, flexural strength high, non-pollution etc chemical, physical characteristics. To ensure that the interests of consumers, European and American countries have established the SLATE association, and developed a unified architectural plates quality standards, such as Britain stone B.S. 680 etc. Standard
Gen into SLATE, with its rich design and color, good quality won the praise of many customers in the world. Its green series and rusty series of wall, floor stone by Japan, Singapore, United States, plus the favored customers. Black, grey, green tiles board passed the British standard test, in euramerican B.S. 680 with extensive market. Especially HeiWa board, is in short supply. In the world's largest SLATE company - Germany pull chuck SLATE group's help, upgrading of product quality, but with famous Spanish SLATE rival. In 1998, moved to Berlin, Germany is now before the revision, the speaker floor had adopted its roof into the HeiWa board."
In Europe and the United States, SLATE, as a kind of main construction and decoration materials are widely used in roof (watts SLATE) and wall, ground, and formed the unique architectural style "black roof culture". Natural SLATE, in addition to its practical outside, is more bibulous rate is low, acid, fight decency and compressive strength, flexural strength high, non-pollution etc chemical, physical characteristics. To ensure that the interests of consumers, European and American countries have established the SLATE association, and developed a unified architectural plates quality standards, such as Britain stone B.S. 680 etc. Standard
Gen into SLATE, with its rich design and color, good quality won the praise of many customers in the world. Its green series and rusty series of wall, floor stone by Japan, Singapore, United States, plus the favored customers. Black, grey, green tiles board passed the British standard test, in euramerican B.S. 680 with extensive market. Especially HeiWa board, is in short supply. In the world's largest SLATE company - Germany pull chuck SLATE group's help, upgrading of product quality, but with famous Spanish SLATE rival. In 1998, moved to Berlin, Germany is now before the revision, the speaker floor had adopted its roof into the HeiWa board."
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