Solutions from Materials Technology

CarbofillPhenolic Resin Foam for Cavity Filling, Gas Sealing and Fire Fighting in Mining

Carbofill is a fast reacting dual component phenolic resin foam which starts foaming

immediately on mixing and exhibits excellent physical properties. This product ensures a

significant reduction in roof falls of stone or coal while filling the excavation. Thus Car-

bofill contributes to improving the operational safety and efficiency in mining.

Carbofill is well suited for:

Fire fighting

Filling excavations in drifts and longwalls

Cavity filling to prevent gas accumulation

Injection for rock

stabilisation

Filling dams to prevent air

penetration into goaf

Stabilisation of burst

material

Sealing gas dams

Due to the nature of the

Carbofill foam only light shut-

tering is required and in some

cases it is not required at all.

Carbofill can be applied via

hose, pipe or injection bolt.

Tubular films, pack bags or

Carbofill - low-emission - high foaming

Benefits of CARBOFILL

High foaming factor

Low density

Reduced shuttering

needs

Easy handling

High filling capacity,

production can be

started immediately

No waiting time

after completion of

the

filling work

Low-emission

Extinguishes mine

fire

PHP piston pump with resin container

Phenol resin pump SK90

Bullflex hoses can be filled with Carbofill.

To apply Carbofill the A (resin) and B component (hardener)

are pumped on site at a ratio of 4:1 via two-component

pump and hoses. Once at the injection site the resins are

thoroughly mixed via an inline mixer and injected imme-

diately.

The Minova pumps are equipped with a scale to control

the processed volume of the product. Improper emissions

can be avoided if Carbofill is used according to the given

permissions.

Two pneumatically

driven pumps are

available for the on-

site application of

Carbofill:

SK 90 gear pump for pumping distances

of up to approximately 00 m

PHP piston pump for pumping distances

up to approximately 800 m

Benefits of CARBOFILL

High foaming factor

Low density

Reduced shuttering

needs

Easy handling

High filling capacity,

production can be

started immediately

No waiting time

after completion of

the

filling work

Low-emission

Extinguishes mine

fire

Carbofill - extinguishes mine fire

Technical Data of the Components

Unit Resin Catalyst

Density at 5 C kg/cm 190 0 1540 0

pH-value ~ 8 0 - 1

Shelf Life Month 1 6

Storage Temperature C max. 0 max. 5 -5 - 0

Processing Time C min. 15 min. 15

Technical Data of the Resin Mixture (at 0 C)

Unit Mixture

Starting Time Sec. immediately

Reacting Time Sec. 180 60

Foaming Factor, free - 8

Consumption kg/m ~ 6 - 4

Admission of German Mining Authority E 84.1..67-6-1

Phenol resin pump SK90PHP piston pump

in UTE frame with

large storage

containers for A

and B component

Minova UK Ltd.

Unit 8 Freshwaters

Park Road

Holmewood Industrial Park

Holmewood, Chesterfield

Derbyshire S4 5UY

Phone +44 (0)146 857006

Fax +44 (0)146 51054

eMail info.uk@minovaint.com

Internet www.minovainternational.com

October 008

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