definition

Mineral fibers is a kind of artificial rock wool fiber. 

Main chemical 

contents

SiO2

Al2O3

Fe2O3

CaO+MgO

Na2O+K20

40-60%

15-25%

3-7%

25-30%

3-6%

Fire retarding

temperature

1580-1770°C

standard

Average fiber length

1.0-3.5mm

Average fiber diameter

3.0-8.0um

Fiber distribution

#40:30-40%, #60:40-60%

Loss on 

ignition

1%(800°C/h) 

Slag ball 

contents

<3%

Fiber contents

<1.5%

Fiber capacity

0.10-0.25g/CM3

asbestos

no

feature

Excellent sound-absorbability, sound-proof, thermal insulation

performance and flammability

application

Friction material and construction

Advantage of brake

lining

No fiber particles on grinding surface, uniform appearance, good texture, 

low braking noise

use

Suitable for all kinds of mixing machines.

Plough type mixing machine:6-10min.,vertical type high speed mixing machine(with high speed reamer):4-6min.

dosage

Brake lining for bus & truck:15-35%, Disc brake lining:8-25%

packing

25kg/bag