原産地:	中国(本土)	銘柄:	songjia	モデル番号:	SJPB003
タイプ:	玉石及び小石	材料:	天然石	色:	黒
玉石及び小石のタイプ:	小石

包装

包装:

木製のパッケージ

仕様

Apperance: mix color

Raw material:  natural pebble or manufactured gravel

Advantages:

1. Large specific surface area

2. Washed many times and clean

3. Elliptical-shaped, fast speed water filtration.

4. High mechanical strength and good abrasion/pressure resistance

 

Specification of Gravel Stone:

Item	Test Data
Density	2.6 g/cm3
Volume Weight	1.85 g/cm3
Silica	≥98%
Moh's Hardness	7.3
Hydrochloric Acid Soluble Rate	≤3.5%
Silt Content	≤0.1%

 Common Sizes:0.5-1.0mm 0.8-1.6mm 1.0-2.0mm 2.0-4.0mm 2.0-5.0mm 3.0-6.0mm 4.0-8.0mm

The size can be changed according to your requirement.

 

Application:

The pebble (gravel) stone filter media can applied to all kinds of filter pond, especially, pebble (gravel) stone filter media widely used in various supporting layer of mechanical filter. 

 Package and Storage:25kg and 50kg into a woven bag, 500-1000kg per super sack and 20-25mt per container.No mix-storage with chemical materials, store in water-proofing places.