Perlite Sand
Size and Application of Perlite sand
8-12 mesh 12-18 mesh 18-20 mesh | After expanding, it is widely used as the materials of keeping warm and heat insulation in the field of construction. |
20-30 mesh 30-50 mesh | After expanding, it can be used as covering agent and deslagging agent in the industry of casting steel. |
50-70 mesh | After expanding, it can be used as the filtering agent in the field of beer and medicine, and the insulation for cryogenic tanks of oxygen machine. |
Chemical Composition of Perlite sand
SiO₂ | TiO₂ | Al₂O₃ | Fe₂O₃ | MnO | MgO | CaO | K₂O | Na₂O | P₂O5 |
72% | 0.09% | 12.31% | 0.54% | 0.06% | 0.14% | 1.00% | 4.67% | 3.29% | 0.04% |
Expanded Perlite
1. Type: open cell, closed cell ,hollow cell
2. Colour : white
3. Features: porous ,lightweight, non-toxic, non-combustible, heat insulating, sound absorbing, water resisting, corrosion resisting
Application of Expanded Perlite
Construction | lightweight aggregate light insulation materials fireproof materials insulation mortar
|
Industry | insulation in the cryogenic projects, industrial equipment, pipe insulation. |
Agriculture and horticulture | 1. soil amendment 2. soilless cultivation base 3. slow-released agent of pesticide |
Others | 1. filter aid 2. filler 3. abrasive materials |
Perlite Filter Aid
1. Colour:white
2. Features: low- content harmful metals and non-metalsrapid filter velocity good filtering effects
3. Use industry : beer or drinking, pharmaceutical, paint or coating, oil
Specification of Perlite Filter Aid
Item Type | High-speed Type | Medium-speed Type | Low-speed Type |
GK-115 | GK-114 | GK-113 | GK-112 | GK-111 | GK-110 |
Bulk density (g/cm3) | <0.18 | 0.18-0.22 | 0.20-0.25 |
Permeability % | >2.0 | >1.5 | >1.0 | >0.5 | <0.5 | 0.2 |
Suspended matter % | ≤15 | ≤5 | ≤3 | ≤2 | ≤1 | 0 |
+100 mesh % | ≤50 | ≤30 | ≤15 | ≤5 | ≤3 | ≤1 |
New Closed Cell Perlite
Specification of New Closed Cell Perlite
Technical Property | New Closed Cell Perlite | Traditional perlite |
Particle(mm) | 0.1-1.5 | 0.15-3 |
Density(Kg/m3) | 100-200 | 70-250 |
Thermal conductivity(w/m.k) | 0.047-0.054 | 0.047-0.054 |
Balling rate | 70-90% | 0 |
Closed cell rate | ≥95% | 0 |
Water absorption ( by vacuum filtration %) | 50-85 | 360-480 |
Numerical tube pressure (volume loss rate in 1Mpa pressure) | 38%-46% | 76%-83% |
Refractoriness | 1280-1360℃ | 1250-1300℃ |
Operating Temperature | <800℃ | < 750℃ |