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?Cenosphere,?sometimes?called?microsphere,?is?a?light?weight,?inert,?hollow?sphere?made?largely?of?silica?and?
alumina?and?filled?with?air?or?inert?gas.,?typically?produced?as?a?byproduct?of?coalcombustion?at?thermal?power?
plants.?The?color?varies?from?gray?to?almost?white?and?their?density?is?about?0.6–0.9?g/cm3,?all?these?property
?give?it?a?widely?application?for?insulation,refractory,oil?drilling,coating,construction?use.
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Chemical?Analysis:
SiO2?-------------------------------------------55-60%
Al2O3?-----------------------------------------30-35%
CaO?-------------------------------------------1.2-1.7%
K2O?-------------------------------------------1.4-1.7%
Fe2O3?----------------------------------------0-2,2-4%
TiO2?------------------------------------------1-2%
MgO?------------------------------------------0.8-1.2%
Na2O?-----------------------------------------0.5-0.6%
Physical?Propreties:
Specific?Gravity---------------------------0.70-0.90g/cm3?
Bulk?Density------------------------------380-450 kg/m3
Hardness---------------------------------------(MOH)5-6
Compressive?Strength--------------------180-280 kg/m3
Shape-------------------------------------------Spherical
Particle?size?-----------------------------------40-325mesh
Color--------------------------------------Grey-?white
Melting?Point------------------------------1200-1300?Deg?Celius
Thermal?Conductivity---------------------0.11?WM-1K-1
PH?in?water-------------------------------------------6-7
Moisture-------------------------------------------0.5%max
Loss?on?Ignition-----------------------------------2%max
Oil?Absorbtion-----------------------------------16?-?18?G/100G
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Application
1),?Chemicals/Coating/Painting-?Provide?measuring?tool?in?biology?and?drug?research,?besides?added?to?paints?and?epoxies?to?modify?
viscosity?and?buoyancy?;
2),?Plastics?---?Used?to?decrease?material?density?(glass?and?polymer);
3),?Ceramics?---?Used?to?create?porous?ceramics?used?for?filters;
4),?Cosmetics?---?Used?to?hide?wrinkles?and?give?color;
5),?Electronic?paper?---?Dual?Functional?microspheres?used?in?Gyricon?electronic?paper;
6),?Insulation?---?expandable?polymer?microspheres?are?used?for?thermal?insulation?and?sound?dampening;
7),?Retroreflective?---?added?on?top?of?paint?used?on?roads?and?signs?to?increase?night?visibility?of?road?stripes?
and?signs;
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??Shipping time:Around 10days after your the order
? Packing: In 20kg /125kg pp bags, 600kg/1000kg big bags or with pallet,?24TONS/40`GP
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?We DFL Corp. company, as the only Director member of TVA(The Vermiculite Association) in Asia, running ISO9001-2008 quality management system, dealing Non-metallic minerals products over 20 years more. Besides pumice stone, we also deal Vermiculite, Muscovite Mica, Cenosphere/Microsphere, Polypropylene fiber, Perlite, Kaolin clay and Zeolite etc products.
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Based on 20 years import and export experience, we gain a high reputation from our new and regular customers. Also we get a big support from our local government.
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We DFL team is great team who is full of love, passion, responsibility. Every year, all of our DFL members will enjoy some tourings, outdoors training lecture and Thansgiving activities.
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1,?Prepare?samples?freely.
?2,?Draw?20-40%?samples?to?test?quality?for?each?shipment.
?3,?Take?pictures?for?customer's?reference.
?4,?Issue?testing?report?for?customer's?custom?clearance.
?5,?Provide?related?techenical?data?sheet?if?necesarry.
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Contact person:?Candy Cui
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1,?Prepare?samples?freely.
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?2,?Draw?20-40%?samples?to?test?quality?for?each?shipment.
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?3,?Take?pictures?for?customer's?reference.
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?4,?Issue?testing?report?for?customer's?custom?clearance.
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?5,?Provide?related?techenical?data?sheet?if?necesarry.
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