Negotiable
The date of payment from buyers deliver within days
Shandong
Long-term effective
2017-09-15 15:08
108
Company Profile
By certification [File Integrity]
Contact:zhonglishiye(Mr.)
Email:
Telephone:
Phone:
Area:Shandong
Address:No.135 Fuzhou Road North, Qingdao, China
Website:http://www.sinoygroup.com/ http://zhonglishiye.longshizhaoming.com/
red grey volcanic lava rocks
1.Chemical Composition:
| SiO2 | CaO |
MgO |
Fe2O3 |
FeO |
Al2O3 |
TiO2 |
K2O |
Na2O |
53.82% |
8.36% |
2.46% |
9.08% |
1.12% |
16.89% |
0.06% |
2.30% |
2.55% |
2.Properties:
a.It has lots of holes.
b.Weight is very light.
c.Perfect intensity
d.Heat preservation and thermal insulation, noice insulation.
e.Fireproofing
f.Corrosion and acid-base resisting
g.Non-pollution and no radioactivity, environment protection
h.Different specifications.
3.Physical properties:
| Volume-weight(kg/m3) | 430-870 |
Water absorption |
11.7-17.03% |
Loose volume-weight(kg/m3) |
520 |
Cylinder pressure strength |
1.218Mpa |
Moisture |
1% |
Mechanical Intensity |
5.08Mpa |
Heat conductivity coefficient w/(m.k) |
0.326 |
Soften coefficient |
0.84 |
Apparent density |
Kg/m3 640-860/(390*240*190) |
Hollow ratio(%) |
48/(390 *240 *190) |
4.Usage:
Lava is used in construction,irrigation works, grinding, filter material, barbecue charcoal, garden scene, soilless culture, etc. It is also a perfect material used in hot stone therapy, which is good to Promote the body's metabolism.












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