| Explanations regarding Pebble lime or Quick lime and
Hydrated lime produced by PT. BUMIPASIR MANDIRI –
CALCIUM CHEMICAL PROJECT, TALIWANG, SUMBAWA
Pebble lime or Quick lime is burnt crushed limestone
(in our processing facilities, using high technology
ROTARY KILN), with chemical composition as follow:
CaO = Min 90%
MgO = Max 2%
SiO2 = Max 3%
CaCO3 = Max 3%
This chemical composition listed above is our conservative
measurement. With our raw materials and high technology
equipments, we can produce much more high quality products.
Some people confused Hydrated lime with Slack Lime,
however Hydrated Lime (CaO(OH)2) is not slacked lime,
similar to pebble lime chemical composition, with slightly
different chemical composition. Stated below is the
chemical composition of our hydrated lime:
Ca(OH)2 = Min 90%
MgO = Max 3%
SiO2 = Max 3%
CaCO3 = Max 3%
H2O = Max 2%
This chemical composition listed above is our conservative
measurement. Similar to pebble lime or quick lime, our
raw materials and equipments have the abilities to produce
much higher quality products.
The size of pebble lime is depend on the buyers, with
the minimum size of 15 mm. We are equipped to produce
both pebble lime and hydrated lime according to the
buyers’ specification requirement.
To clarify the chemical composition, which confused
most people, described below is our specifications of
both pebble lime and hydrated lime. The following below
are moderately detailed specification (Conservative
measurement).
Pebble Lime or Quick Lime
CaO = Min 90%
MgO = Max 2%
SiO2 = Max 3%
CaCO3 = Max 3%
Insoluble = Max 2%
Foreign Object = None
Size = Depend on the buyers’ specification, with
min size = 15 mm
Hydrated Lime
Ca(OH)2 = Min 90%
MgO = Max 3%
SiO2 = Max 3%
CaCO3 = Max 3%
H2O = Max 2%
Insoluble = Max 2 %
Foreign Object = None
We are currently have a contract with PT. Newmont Nusatenggara
to supply both pebble lime and hydrated lime. Since
our processing facilities are still under construction
(90% completion), we are planning to start operating
by the end of January 2004.
If you have any further questions or concerns, we are
very gladly to explain or provide further information
regarding this subject. Moreover, we are pleased to
invite any interested buyers to inspect our location.
We are a mining company with 22 years of experiences.
Specifically for pebble lime and hydrated lime products,
we are proud to announce that we have all the facilities
required in 1 (ONE) location, including lime-stone quarry,
processing facilities (with high technology ROTARY KILN),
and private port.
Our lime-stone quarry is equipped with new heavy duty
equipments, experience and competent personals. Further,
our processing facilities are equipped with ROTARY KILN
CALCINATION PLANT controlled by computerized system.
Moreover, our ROTARY KILN uses gas from coal burning
system to ensure high quality product. To ensure the
quality of products being produced, we have built 2
concrete silos and quality assurance department to control
and to test products.
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