Closed Cell
Expanded Perlite: Introduction
·
Closed cell expanded perlite, also known as
vitrified microbead, is primarily used as a key raw material in the production
of inorganic thermal insulation mortar, thermal insulation coating, refractory
brick, and enamel material. Closed cell expanded perlite provides many benefits
owing to its inert, fire resistant, thermal, and acoustic properties.
·
Closed cell expanded perlite can act as a substitute for many
traditional lightweight aggregates such as fly ash, glass bead, floating beads,
and polyphenyl granules. It has wide range of applications in various
industries such as agriculture, chemical, metallurgy, and building materials.
·
Key players such as Xinyang Caster New Material Co Ltd. and Gulf perlite
LLC produce closed cell expanded perlite in the following different sizes:
18-30 mesh, 30-50 mesh, 50-70 mesh, 70-90 mesh, and 90-120 mesh.
·
The typical composition of closed cell expanded perlite includes 70%-75%
silicon dioxide (SiO2); 12%-15% aluminum oxide (Al2O3); 3%-5% potassium oxide
(K2O); 3%-4% sodium oxide (Na2O); 0.5%-2% iron oxide (Fe2O3); 0.5%-1.5% calcium
oxide (CaO); and 0.2%-0.7% magnesium oxide (MgO)
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Key Drivers of
Global Closed Cell Expanded Perlite Market
·
Rise in demand for lightweight construction materials is positively
impacting the closed cell expanded perlite market. Increase in usage of
gypsum plasterboard as construction material due to its lightweight property is
estimated to drive the demand for closed cell expanded perlite in the near
future.
Application of
Closed Cell Expanded Perlite
·
Closed cell expanded perlite is widely used in construction applications
owing to its excellent insulation, light weight, and fire resistance and sound
dampening properties. It is also used in the production of Portland cement,
gypsum plasters, ceiling tiles, mortar, concrete, and lightweight cement
plasters.
·
Closed cell expanded perlite is used as soil moisture retention additive
in agricultural applications. Closed cell expanded perlite manufactured by Gulf
Perlite LLC has water holding capacity of 800%. According to the research
conducted by International Center for Biosaline Agriculture (ICBA), expanded
perlite helps reduce the consumption of water for irrigation purposes by 50%.
In addition to its water saving benefits and promotion of plantation growth,
closed cell expanded perlite is used as natural additive to reduce soil mixture
weight by up to one-third of its overall weight. Demand for closed cell
expanded perlite is high in agriculture-based economies such as India, Italy,
Brazil, Vietnam, Thailand, and China due to its outstanding property of water
retention.
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Closed cell expanded perlite can be used in high temperature
applications such as hot topping, ladle topping, and production of refractory
blocks and bricks in the steel & foundry industry
·
Closed cell expanded perlite is also employed as a key ingredient to
produce oil well cement. It has extremely low packing density. This reduces the
density of products and saves costs.
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Covid-19 Impact on
Closed Cell Expanded Perlite Market
·
The COVID-19 pandemic has severely impacted the core end-use industries
of closed cell expanded perlite such as steel and construction. According to
the World Steel Association, global demand for steel is expected to contract by
6.4% to 1,654 MT (million tons) due to the COVID-19 crisis.
·
Lockdown caused by COVID-19 pandemic has halted construction activities
across the world. Further extension of the lockdown in countries in Asia
Pacific such as India, Thailand, China, and Vietnam is estimated to hamper the
sales of construction materials such as closed cell expanded perlite.
·
Decline in demand for closed cell expanded perlite in major end-use
sectors is estimated to negatively impact the market in the current fiscal
year. However, demand is likely to bounce back when the global restriction on
construction activities starts to ease.
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