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Spherical Ceramic Sand rau Foundry

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Foundry Ceramic Sand, technically lub npe hu ua "Sintered Ceramic Sand for Foundry", tseem hu ua ceramsite, ceramcast, yog cov khoom zoo nkauj zoo nkauj uas yog tsim los ntawm calcined bauxite. Nws cov ntsiab lus tseem ceeb yog aluminium oxide thiab Silicon oxide. Ceramic xuab zeb, muaj ntau yam zoo dua li ntawm silica xuab zeb kom tau txais kev ua tau zoo hauv kev tsim khoom. Nws muaj refractoriness siab, me ntsis thermal expansion, zoo angular coefficient, zoo heev flowability, siab tsis kam hnav, crush thiab thermal shock, siab reclamation tus nqi.

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Product Detail

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Ceramic Sand Property

Main Chemical Component	Al₂O₃≥53%, Fe₂O₃＜4%, TiO₂＜3%, SiO₂≤37%
Grain Shape	kheej kheej
Angular Coefficient	≤1.1
Qhov Loj	45μm -2000μm
Refractoriness	≥1800℃
Kev ceev ceev	1.5-1.6 g / cm3
Thermal Expansion (RT-1200 ℃)	4.5-6.5x10-6/k
Xim	Xuab zeb
PH	6.6-7.3
Mineralogical Composition	Mos + Corundum
Acid Nqi	＜1 ml/50g
LOI	± 0.1%

Qhov zoo

● Ntsuab xuab zeb. SAFE rau ib puag ncig piv nrog silica (silicosis) thiab zircon xuab zeb
● High refractoriness (＞1800°C)，can be used for casting various materials. There is also no need to use different sand type according to material.
● High reclamation tus nqi. Ob qho tib si Thermal thiab mechanical reclamation. Muab lub neej ua haujlwm ntev dua thiab txo cov xuab zeb siv.
● Siab collapsibility. Sintered Ceramic xuab zeb spherical zoo piv nrog angular zoo li cov nplej pub kom yooj yim sib cais los ntawm cov khoom cam khwb cia thiab txhim kho collapsibility uas ua rau qis seem thiab casting efficiency.
● Zoo heev fluidity thiab filling efficiency vim yog kheej kheej.
● Tsawg Thermal expansion thiab Thermal Conductivity. Casting qhov ntev yog qhov tseeb dua thiab qis conductivity muab pwm ua haujlwm zoo dua.
● Tsawg qhov ntom ntom. Raws li cov xuab zeb dag ceramic yog li ib nrab ntawm lub teeb li fused ceramic xuab zeb (dub pob zeb), zircon thiab chromite, nws tuaj yeem tig tawm li ob zaug ntawm cov pwm ntawm ib chav tsev qhov hnyav. Nws tseem tuaj yeem ua haujlwm yooj yim heev, txuag kev ua haujlwm thiab hloov cov nqi hluav taws xob. Txawm li cas los xij, yuav tsum tau saib xyuas tus nqi ntawm cov binder ntxiv.
● Yuav tsum tau 40-50% tsawg resin.
● Castings yog coated nrog me me los yog tsis muaj txheej.
● Yuav siv tau los ua ib qho xuab zeb.
● Kev muab khoom ruaj khov. Txhua xyoo muaj peev xwm 200,000 MT kom ceev thiab ruaj khov khoom.

Daim ntawv thov

Raws li cov khoom siv nruab nrab, KAIST ceramic xuab zeb siv tau rau cov kua qaub thiab alkali resins.

Nws tuaj yeem siv dav rau cam khwb cia hlau, cam khwb cia hlau thiab nonferrous hlau casting, xws li poob ua npuas ncauj casting, coated xuab zeb, resin xuab zeb, txias tub ntxhais lub thawv, precision casting, thiab 3D luam ntawv.

Parts ntawm Particle loj Distribution

Lub particle loj tis tuaj yeem kho raws li koj xav tau.

Mesh		20	30	40	50	70	100	140	200	270	Pan	AFS
μm		850	600	425	300	212	150	106	75	53	Pan
Code	20/40	15-40	30-55	15-35	≤5							20±5
	30/50	≤1	25-35	35-50	15-25	≤10	≤1					30±5
	40/70		≤5	20-30	40-50	15-25	≤8	≤1				43±3
	70/40		≤5	15-25	40-50	20-30	≤10	≤2				46±3
	50/100			≤5	25-35	35-50	15-25	≤6	≤1			50±3
	100/50			≤5	15-25	35-50	25-35	≤10	≤1			55±3
	70/140				≤5	25-35	35-50	8-15	≤5	≤1		65±4
	140/70				≤5	15-35	35-50	20-25	≤8	≤2		70±5
	100/200					≤10	20-35	35-50	15-20	≤10	≤2	110±5