Which is large harm of natural marble and artificial stone

The harm of natural marble and artificial stone   The radioactivity is the main harm of natural stone,radiation can be divided into two kinds,

The one type is direct exposure to the human body to the human body blood and nervous system damage,another is the radiation characteristics of radon,this kind of material to be inhaled by people in the air,natural marble emit harmful material is very low, and the dangers of artificial marble is very great.In order to let everyone in to purchase marble type to make discrimination, to share a few tips.  


 Natural marble characteristics   Texture: Each natural marble has unique natural design and color   


Voice-listening:In general, good quality stone the knocking sound is ringing pleasing to the ear   Transmittance:High light transmittance of natural marble, with a cigarette lighter or flashlight irradiation on the back of the marble, high light transmittance   Diluted hydrochloric acid test:Natural marble is acuteness blister, is artificial marble or even no bubbles - See more at: 

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