How to choose artificial  manufactured cultured stone veneers? 

Artificial culture stone in 2000 by the United States, South Korea's exports to China. At present, China has no specific quality standards, but it is used as the outer wall decoration materials, should be consistent with building materials, wall materials and other related aspects of the basic requirements. 


First, the artistic effect of selection (this determined by the Institute) 


Second, the intrinsic quality of products 
(A) the relevant color 
No fading? (A) the quality of the pigment (American Culture Stone and national brands have used the German "BAIER Bayer" pigment, made with cheap goods, such as "a product" and so on, the former price of the latter times) 
(2) color (pigment) is not anti-aging? --- Testing standards can refer to the "national standard exterior paint anti-aging." GB/T1865 
(3) whether the whole body colored? (American culture stone and large domestic brands are henselae coloring) 
(Two) physical indicators 
A density ≤ 1.4g/cm3 (finished weight 30kg ~ 50Kg / m.) 
2, the compressive strength load-bearing wall  china cultured manufactured stone veneers though, but there is the impact of wind, you can refer C746-1999 "concrete tile" requirement for the (unimportant). 
3, the flexural strength can JC/T641 "decorative concrete block" in the provisions of tiles or wall tiles reference GB flexural strength requirements. (Tulip culture stone average flexural strength of 27.6MPa; domestic other big brands 5.12Mpa) 
4, frost resistance can refer JC746-1999 "concrete tile" the regulations (domestic many cultural stone is by GB/T6955-1986 "ceramic tiles frost resistance test methods" for the (minus at minus 30 ℃ to 10 ℃ After 50 freeze-thaw conditions, no peeling, no breakage.). 
5, according to GB/T1865-1997 for artificial aging resistance, 150H did not change significantly. 
6, water absorption according to GB/T2579-1989 conduct (water absorption of 17%, after 2.5% protection). 
7, acid corrosion of A-level (by 0.01mol / L hydrochloric acid solution and 0.01mol / L sodium hydroxide solution was dropped after no obvious damage to the stone surface, the phenomenon of falling blocks without mortar, and restored to its original state). 
8, radioactive according to GB655 regulations (internal exposure index ≤ 0.6Bq/Kg, external exposure index ≤ 0.8Bq/Kg). 
(Three) other indicators 
1, china cultured manufactured stone veneers surface hardness (equivalent to wear). The higher, the more wind resistance, the less easy to swap ash. 
2, turning any culture stone surface alkali alkali will turn ugly. (Not 100 percent not turn base culture stone, there must be one hundred percent turn base culture stone). Concrete base is actually turned off the base, so changing the concrete structure, thus affecting the cultural life of stone. 
(Four) Description: 
Artificial culture of performance indicators reach the above criteria, mainly technical, but related: 
1, did not fully grasp the raw material formulation, the other. 
2, the material quality level is not enough (did not find a good manufacturer, supplier of information in culture stone manufacturers in a commercial secret) 
3, the production process have a problem, or do not place. edited by china stone veneer manufacturers