Scope of activity

Management, Owners

Productrange, Qualifications

Sales activity

References

Domestic and foreign relations

 

Raw perlite grinding:

The perlite grinding suitable for expansion is produced from the perlite rock by breaking, drying and grading. The adherent water content of the raw perlite is changing between 2 and 5%.

Chemical composition:

SiO2

68 - 75%

Al2O3

10 - 15%

Fe2O3

1,0 - 2,5%

CaO

1,5 - 2,0%

MgO

0,2 - 1,5%

K2O

3,2 - 4,5%

Na2O

2,8 - 4,5%

Ignition loss

2,0 - 5,0%

In the milling and grading plant in Pálháza following grain sizes are produced at present :

Perlit-92 Kft. Termékspecifikáció 2012

 

 

 

Type

Size (mm)

Regulations (%)

 

 

 

A

 - 1.000

   5 -  15

 - 1.600

 25 -  55

 - 2.000

 65 -  85

 - 2.800

 95 -100

 

 

 

M

 - 0.315

   0 -  13

 - 0.500

 15 -  35

 - 1.000

 60 -  85

 - 1.600

 95 -100

 

 

 

Ms0,8

- 0,200

max. 10

+ 0,630

25 - 20

+ 0,800

max. 5

+ 1.000

0

 

 

 

F35

 - 0.125

 max.   8

 - 0.200

 max. 20

 - 0.250

 max. 35

+ 0.630

 max.   5

 

 

 

FF

 - 0.200

   0 -  20

 - 0.500

 72 -  90

 - 0.630

 90 -100

 - 1.000

100

 

 

 

FF150

 - 0.200

   0 -  50

 - 0.500

 72 -  90

 - 0.630

 90 -100

 - 1.000

100

 

 

 

FF130

 - 0.200

   0 -  30

 - 0.500

 72 -  90

 - 0.630

 90 -100

 - 1.000

100

 

 

 

FF120

 - 0.200

   0 -  20

 - 0.500

 72 -  90

 - 0.630

 90 -100

 - 1.000

100

 

 

 

 F

 - 0.200

 max. 75

 - 0.500

 min. 95

 - 0.630

 min. 99

 

 

 

C

 + 0.250

 max.   6

 - 0.125

 max. 80

 

 

 

SZ

 - 0.050

 max. 95

 +0.125

 max.   3

 

 

 

RT

       - 60.0

 max. 95

          -1.0

 max. 10

 

The material coming out of the quarry and the milling plant is qualified according to following aspects:

1. Expansivity: In the lab grains of size 0,1-0,3 mm are expanded in a lab-oven. The loose litre weight of the expanded material must not exceed 35 g/l.

2. Dead rock content: The dead rock content of the perlite is checked by watery separation, the permitted dead rock content is max. 5%.

3. Surface moisture: The perlite grinding is dried until weight uniformity at105 degree Celsius. The moisture content of the grinding has to be under 1%.

4. Grain Monitoring

5. Strength: The single-axle strength of the perlite coming out of the
blowing lab-oven is tested by a compaction of 20 and 40% respectively accordant to the Brook-method.

Modern sorters

 

 

 

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