natural black lava stone rocks for aquarium
natural volcanic rocks lava stone pumice stone
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Product name |
Natural volcanic rocks lava stone pumice stone |
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Shape |
natural and irregular |
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Color |
red,white and black |
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Size |
1-3mm,3-5mm,5-8mm,8-12mm,1-2cm,2-3cm,3-5cm,5-8cm,10-20cm,20-30cm and bigger |
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Volume-weight(kg/m3) |
430-870 |
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Water absorption |
11.7-17.03% |
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Loose volume-weight(kg/m3) |
520 |
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Cylinder pressure strength |
1.218Mpa |
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Moisture |
1% |
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Mechanical Intensity |
5.08Mpa |
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Heat conductivity coefficient w/(m.k) |
0.326 |
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Soften coefficient |
0.84 |
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Apparent density |
Kg/m 3 640-860/(390*240*190) |
|
Hollow ratio(%) |
48/(390 *240 *190) |
We are the only supplier who can supply you refund payment agreement that mean you can refund payment in case of bad quality!
Alibaba.com supplier platform data and supplierblack list.com data show that:
We did not cheat any clinets and did not get any complain!
| Q:Are you a manufacture or trading company? |
| A:Our company Qingdao Sinoy Construction Materials is a manufacture and trading company,we have our own 2 factories of stone carving and sculpture which are set up almost 20 years. |
| Q:What's your Minimum Order Quantity? |
| A:It depends on your order,usually full containers but we also can make test order,trial order and sample order for LCL or Air express,but it will share more expensive cost like delivery and shipping than FCL. |
| Q:May we visit your company and factories? |
| A:We welcome you to visit us!Half an hour driving from Qingdao international airport can reach our headoffice and 2 hours driving to our factories. |
| Q:What's your port of loading? |
| A:We load mainly from Qingdao port,also we can ship from Dalian,Tianjin,Nanjing,Ningbo,Shanghai and Guangzhou,Xiamen. |
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