Perlite

Place Of Origin
China
Packaging
100L/bag or as customer's request.
Delivery
15 Days


Expanded perlite for insulation

1.Physical properties

Softening temperature 890-1100 °C
Melting temperature 1260 °C
Cellular structure open-cellular
Porosity 97 % by volume
Moisture content( in the open air) Up to 0.5 % by weight
Max. moisture content Up to 900 % by weight
Density of the perlite ore 2200 to 2400 kg/m3
Density of the fine-ground perlite ore 1200 kg/m3
Bulk density 70-120kg/m³

2.Chemical properties

Item Content(%)
SiO2 70 ~ 75
Al2O3 12 ~ 16
Fe2O3 0.15 ~ 1.5
MgO 0.2 ~ 0.5
CaO 0.1 ~ 2.0
Na2O 2.5 ~ 5.0
K2O 1.0 ~ 4.0
PH 6.5-7.5

expanded construction insulation board perlite

expanded construction insulation board perlite

Raw perlite ore

expanded construction insulation board perlite

3.Perlite in the steel and Foundry Industries


Perlite insulation is used in high temperature applications in the steel and foundry industries such as ladle topping, hot topping and risering, in topping compounds, in exothermic and insulating shapes, as a cushioning agent, in molding sand and in the manufacture of refractory blocks and bricks.

expanded construction insulation board perlite

4.Agriculture perlite application

THE ADVANTAGES OF AGRICULTURAL PERLITE

· Improves soil aeration and drainage.

· Makes moisture and nutrients readily available to plants.

· Inorganic and does not deteriorate.

· Serves as an insulator to reduce extreme soil temperature fluctuations.

· Has essentially neutral PH of 6.5 to 7.5.

· It is sterile and free of weeds and disease.

· It is clean, odorless, lightweight.

Benefites of Hydroponic culture

· Horticultural perlite provides more constant moisture status aroun the roots at all times irrespective of we ather or stage of root growth.

· Perlite ensures more even watering throughout the grwoing area.

· Thera is less probability of over-watering with horticutlural perlite.

· Perlite culture avoids wasting of water and nutrients.

· The use of perlite eliminates the need to grade growing floors accurately.

expanded construction insulation board perlite

5.Construction Applications

Because of perlite's outstanding insulation, light weight, fire retardant and sound control characteristics and its being rot, vermin and termite resistant perlite is widely used in the following construction applications.

· Loose fill insulation

· Portland cement and gypsum plasters

· Underfloor insulation

· Concrete roof decks

· Chimney Linings

· Fireproofing

· Blocks

· Pipe insulation

  • Country: China (Mainland)
  • Business Type:
  • Market:
  • Founded Year:2008
  • Address:1-1-903 Yinghua Building No.230 Youyi North St. Shijiazhuang, Hebei, China
  • Contact:Linda Lin
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