Basalt Volcanic Composites0 pages

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Basalt Volcanic Composites

What are Basalt Fibers?
They are Pultruded fibers made from volcanic rock melted in
high heat furnaces. Pultrusion is a manufacturing process for
producing continuous lengths of FRP (fiber reinforced polymer)
structural shapes. Raw materials include a liquid resin mixture
(containing resin, fillers and specialized additives) and reinforcing fibers. The process involves pulling these raw materials
(rather than pushing as is the case in extrusion) through a
heated forming die using a continuous pulling device.

Basalt FRP is a Composite Rebar (BCR)
Basalt rebar is made as a continuous spiral formed by winding
fibers into a highly durable compound. These fibers form a
strong composite offering a wide range of applications for
construction. Basalt rebars are resistant to corrosion and
aggressive chemical liquids and are extremely light (4 times
lighter than steel), producing considerably longer life
expectancy in construction.

The Main Uses of Basalt Products are
Textile applications for fire protection :
Basalt does not melt nor shrink in flame and when not mechanically stressed, keeps its geometric integrity.
Basalt is exceptionally suited to block fire. Basalt products
resist open flame. A fabric made of Basalt, with a Bunsen
burner pointed at it (1100 - 1200°C) becomes red hot as a metal
fabric would. This can last for hours. For reference, an E-glass
fabric of the same surface density gets pierced by the same
flame in a matter of seconds.
High Temperature Insulation (HTI) :
Basalt fibers, at present, exhibit a resistance to temperature
superior to E glass fibers in the range -260° to +560°C. A
perfect high temperature insulation material chopped Basalt
fibers and non-woven Basalt needled mats find their place in
the construction of auto and motorcycle exhaust mufflers and
ovens. They are also used as the heat insulation of gas turbines,
including nuclear plant locations, as basalt is known to resist
degradation caused by radiation, unlike synthesized materials
such as glasses. Basalt is also functional to very low temperatures (down to – 260°C). Other useful applications are insulation
of liquid nitrogen tanks and pipes, and cryogenics.
continued on page 2 >>

Top Ten Reasons
to use Basalt Fibers
1.

Stronger than fiberglass in tensile strength

2. Non-respirable, inert and safe to work with
3. 18% better elastic modulus
4. UV immune
5. Non-conductive
6. Will not harbor bacterial or microbial
growth
7.

Better impact resistance, does not shatter
like carbon fibers

8. Ten times better electrical insulator than
fiberglass
9. Very resistant to aggressive liquids, acids
and alkalies
10. Has great sound attenuation properties
Oh yes! There are more reasons...cont. pg 4 >>