LECA LIGHTWEIGHT
AGGREGATE
WHAT IS LECA AGGREGATE?
LECA means Lightweight Expanded Clay Aggregate which is produced
by bloating clay with high temperature in a rotary kiln under
temperature 1200~1500 degree C. LECA is round and extremely
light in weight.
Its dense exterior shell and porous interior structure provides
outstanding insulating properties. LECA aggregate is stable
building material being inert to corrosion by acid, chemically
neutral, not attacked by fungi, non-absorbent and frost resistant.
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READY MIXED BAG
In case the site condition is not allowed for the placing ordinary
concrete due to the limitation of the dead load on the existing
structure. The ¡§Ready Mix Bag¡¨ is suitable to recover the problem
and guarantee the required strength. Easy to transport and hand
mix on site with appropriate cement and water.
The weight of each bag is 25kg approximately. It is easy for
delivery. Twenty numbers of bag can make one cubic meter of
lightweight concrete. The lightest of lightweight concrete is
650kg per cubic meter, which is lighter than water. But the
strength is up to 5MPa. The maximum of the strength can be up
to 60MPa and the weight is about 1700kg per cubic meter. That
will help you to solve the heavy dead load of the ordinary concrete
and the problem of the allowable load of the existing structure.
The weight of normal concrete is 2400 kg/m3.
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LECA HOLLOW
BLOCK
LECA hollow block is one kind of hollow block make with lightweight
aggregate. It provides high strength, low price and superior
fire resistance and head insulation, weather and sound resistance
and recycle material. The multi-cell designed block provides
a new better wall material to the building and construction
industry.
LECA gypsum hollow block is a sandwich type block with gypsum
surface finish or waterproofing surface finishing coat for
internal and external use respectively. Hence, it will not
require extra layer of plaster at block wall construction.
Just a thin coat is needed for painting. It is better than
the precast drywall panel.
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LECA LIGHWEIGHT
GRASS PAVING BLOCK
LECA ightweight grass paving block is make with LECA lightweight
aggregate. That is suitable for slope protection due to dead
load is very light on the slope for grass. It is stable and
prevented the slope slide. It is formed the slot in the middle
of the paving block.
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PERLITE
Perlite is the natural volcanic glasses and is a dense glassy
rock. When the crushed rock is flash-heated between 900~1200¢XC
(point of fusion about 1800¢XC), the rock expands to form a light
cellular material with the density ranged about 40kg/m3 to 300kg/m3.
The expended perlite is found useful as an aggregate. The rock
is crushed carefully to graded size and subjected to rapid heating
in a special designed furnace which allow of close control of
temperature and retention time. Due to the physical and chemical
changes which create the expansion and the cellular form to
give the lightness and the insulation value of this aggregate.
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VERMICULITE
Vermiculite is a mica mineral and has a laminar structure. When
heated the vermiculite may expand to about 15~25 times its original
volume. The product formed has a golden luster and density of
only few kilogram per cubic meter. It is a lightweighted sound
resistance material and low thermal conductivity (normal about
0.0047~0.051Wm.K), lightweight and chemical stable. No toxic
and good for constant temperature, resistance, sound aborbant
and vibration resistance. Common suitable temperature is -30~1000¢J
(The fusion point is about 1370¢J). It is non-inflamable and
humidity absorption. Well for mill factory, power supply, petrol
manufacture and building construction. It is also good conditioner
for planting of the landscape works.
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MAYSFIXER
MAYSEAL III
Due to the weather of south hemisphere is very high humidity
and buildings in the region are mainly the reinforced concrete
construction. The seepage of the external surface and the wet
area surface is very common.
The normal oily waterproofing paint is not suitable applied
to the wet area surface of the low level of the structural
due to the surface still wet and not efficiency.
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MAYSFIXER
2000
Maysfixer 2000 is kind of cement additive. It is a water type
polymerides. Mix with cement can strengthen the concrete compression
stress, durable, elastic and shear resistance. Reduce the void
and good for water resistance. It is widely used for in-situ
concreting, pre-cast units, pre-cast wall panel, lightweight
concrete and water-resistance cement-sand plastering, etc.
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MAYSTAPE
Maystape is make with fabric glass and polyester resin. Suitable
use in pre-cast concrete wall panel, gypsum block wall and
fabric wall construction joints to replace the previous textile
tapes. Also used to apply on the plaster repair. It is not
affect due to the temperature changes.
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