agriculture black pumice stones
Black types of pumice stone
Size pf black types of pumice stone : 0.1-1mm,1-3mm,3-5mm,5-10mm.10-20mm,20-40mm,40-100 mm,100-300 mm or as requested
Color of black types of pumice stone: Black and red, white
1.Chemical Composition:
|
SiO2 |
CaO |
MgO |
Fe2O3 |
FeO |
Al2O3 |
TiO2 |
K2O |
Na2O |
|
73.32% |
0.73% |
0.20% |
1.34% |
1.12% |
13.24% |
0.10% |
4.33% |
3.58% |
2.Properties:
1.It has lots of holes.
2.Weight is very light.
3.Perfect intensity
4.Heat preservation and thermal insulation, noice insulation.
5.Fireproofing
6.Corrosion and acid-base resisting
7.Non-pollution and no radioactivity, environment protection
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/m 3 640-860/(390*240*190) |
|
Hollow ratio(%) |
48/(390 *240 *190) |
4.Usage:
|
Application |
washing clothes |
|
construction |
|
|
irrigation works |
|
|
grinding |
|
|
filter material |
|
|
barbecue charcoal |
|
|
garden scene |
|
|
soilless culture |
|
|
hot stone therapy |
Hebei Ranyu Trade Co.,ltd
Tel: +86-0311-68123201
Fax: +86-0311-68006101
Mobile:+86 15303110406
Wechat/whatapp:+8615303110406
Address: Room1708 Ximei building,Yuhua Distract,Hebei,China
- Step 1Find your interested products by search keywords
- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
- Step 4Set up meeting with the Chinese supplier without language barrier