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Friction

Barit (Baryte, BaSO4, Natural Barium Sulfate)

Barite; It is one of the important filling materials for brake linings thanks to its inertness, high density, wear resistance and stability at high temperatures.

Barite is used in the manufacture of brake pads/lining as a filler material and provides various solutions for the automotive and railway industries.

  • High density and chemical inertness
  • Abrasion resistance
  • Chemical stability
  • High braking performance
  • High mechanical reinforcement
  • Low production costs
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  Special Products for Brake Linings
Product Groups
Mean Size, D50
(Micron)
Min. - Max.
Top Cut Size, D98
(Micron)
Min. - Max.
Specific Gravity
(gr / cm3)
Oil Absorption
(ml/100g)
Min. - Max.
L*(CIE) Ry, Brightness
(Min. - Max. %)
Double Ex
1,4 - 4,0 7 - 21 4,10 - 4,40 13-1597 94 - 97
EX
1,4 - 6,0 7 - 45 96 90 - 94
A EX
1,85 - 6,0 9,5 - 45 95,5 88 - 90
B EX
1,85 - 6,0 9,5 - 45 94,5 85 - 87
STD
1,4 - 8,5 7 - 45 91 75 - 85
STD NTR
1,85 - 6,0 9,5 - 45 10-12 90 65 - 75
1040
10 40 96-90 65 - 94
1570
15 70 91 65 - 85
NON-MICRONIZED
8 - 15 70 80 55 - 85
  Special Products for Brake Linings
Product Groups
Mean Size, D50
(Micron)
Min. - Max.
Top Cut Size, D98
(Micron)
Min. - Max.
Specific Gravity
(gr / cm3)
BaS04
(Min %)
L*(CIE) Ry, Brightness
(Min. - Max. %)
FRICTION & INSULATION
15 70 4,10 - 4,40
83-94 60-80 65 - 85
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