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Болот куюу үчүн жогорку Refreactorness Ceramsite Foundry кум

Кыска сүрөттөмө:

Ceramsite foundry sand is kind of man-made spherical shape ceramic particles featured by high refractoriness, low thermal expansion. Ceramsite Foundry Sand provides a simple and efficient way in the foundry industry to improving the quality of the castings, reducing the production cost and avoiding environmental pollution so it is much better than silica sand. And it is also good substitution to Chromite sand and Zircon sand because of its lower price. At the present, Ceramsite Foundry Sand is acknowledged in the worldwide as the newest and the best ideal sand for the foundries and Ceramsite Foundry Sand has a very wide feasibility of applications for the future development.

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Продукт тегдери

Негизги химиялык компонент	Al₂O₃≥53%, Fe₂O₃＜4%, TiO₂＜3%, SiO₂≤37%
Дан формасы	Сфералык
Бурчтук коэффициент	≤1.1
Particle Size	45μm -2000μm
Отко чыдамдуулук	≥1800℃
Массалык тыгыздык	1.45-1.6 g/cm³
Жылуулук кеңейүү (RT-1200℃)	4,5-6,5x10-6/к
Түс	Кум
PH	6.6-7.3
Минералогиялык курамы	Жумшак + Корунд
Кислотанын баасы	＜1 ml/50g
LOI	＜0,1%

Артыкчылык

● Solid Sphere: The shape of Ceramsite is spherical with smooth surface and less surface area and offering a very good flowability and filling ability. To compare with other sands else, less binder is used at the same mold strength and higher venting ability. It also offers the excellent collapsibility.

● Lower thermal expansion rate: It makes the dimensions of castings better, less crack and defect and higher output.

● Lower breakage rate: Ceramsite has a higher particle strength and a very lower breakage rate at the reclamation. It makes a better reclamations rate to reduce the waste sand and the pollution.

● High refractoriness: The major chemistry is Al2O3 and SiO2, so mostly mullite and corundum phase in the Ceramsite which will make sure the high refractoriness and thermal stability. And PH value appears neutral. It is suitable for all kinds of metal and alloy castings.

Колдонмо

Ceramsite Foundry Sand has been engineered specifically for foundries to provide the best performance in various types of castings.

Aluminum, gray and ductile iron, steel, copper, magnesium and other metals can be made using sand and most any binder system including phenolic urethanes, phenolic ester, furan, sodium silicate, bentonite clays, shell resins and alkyd oils.

High Refreactoriness Ceramsite Foundry Sand For Steel Casting (2)

High Refreactoriness Ceramsite Foundry Sand For Steel Casting (3)

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Тор		20	30	40	50	70	100	140	200	270	Пан	AFS
μm		850	600	425	300	212	150	106	75	53	Пан
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