THE INSTRUCTIONS OF PUMICE POWDER

         Pumice Powder ,the processed high-level abrasive and filler,which are carefully chosen from the natural glass volcanic ash ,has been widely used at industrial production by internal and abroad companies.
        The produce's physical functions is firm, and the chemical composition can't be changed in the process of producing under 1100 ºC Celsius, when it is affected by damp or heat.

1 Physical functions

1)colour: greyish white and yellowish brown.
2)unit weight: 0.5g/cm³-0.7g/cm³.
3)standards  :0.154mm; 0.125mm; 0.100mm; 0.080mm; 0.071mm; 0.045mm
4)content of magnetic substance: < o.1%
5)content of impurity: 0.1%.
6)content of water: < 3%.

2 Chemical composition(%)

SiO2	Al2O3	CaO	MgO	Fe2O3	K2O	Na2O	ÉÕʧ
71.8	11.28	1.08	0.11	4.70	4.30	4.97	1.4

3 The scope of using

1) grinding scope

(1)the glass surface of negative pole ray pipes.
(2)the optical glass.
(3)artificial and natural
(4)plastics,hard rubber,Bakelite
(5)polishing the surface of the gold,silver and other metal
(6)wooden articles
(7)carefully polishing of leather articles

2) The scope of filler

(1)about plastics and rubber
(2)about skidproof of road and deck
(3)about light and weight cement
(4)acid-resisting filler
(5)acid-resisting cement and essential material used in the tower of sulphuric acid

4 Package:double plastics bags

5 Transport and storing up : the dry and waterproof place

¡¡

Antu Mineral Exploit Company
Address: In front of the Station of Erdao Baihe Town,Antu,Jilin
Province
Account: Agricultural Bank Erdao Town, Antu
No. of Account:8740025712
Post:133600
Tel: 86-433-5718955 86-433-5750695(Fax) 13904464935
Contractor: Yu Hainian