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معامل
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معامل

The "Jun" brand fused mullite main raw materials are industrial alumina and high-quality quartz sand, which is smelted by large high-temperature electric arc furnaces. Fused mullite is the only stable binary compound in alumina-silica dual system. lt is a high-quality refractory material. The colors are gray -white, needle shaped, cylindrical crystals, and high bending strength. lt has the
characteristics of uniform expansion, good thermal shock stability， highly refractoriness under load, small high temperature creep value , high hardness,good anti -chemical corrosion etc. With its excellent heat shock resistance and abrasion resistance, it is widely used in glass kiln body furnace lining bricks,alkaline -free glass sedimentation tank mullite bricks, large smelting blast furnace hot air furnace bricks, blast-furnace low creep sillimanite brick, ceramic kiln furniture, saggar, petrochemical and other industries are raw materials for high -end refractory materials.

الخصائص الفيزيائية والتركيب الكيميائي

العناصر	المجموعة الأساسية
تكوين (٪)	ضمان القيمة	القيمة النموذجية
Al₂O	72 ~ 76	74.10
SiO	23 ~ 27	25.08
Fe₂O₃	≤ 0.10	0.05
R₂O	≤ 0.50	0.18
Mullite phase(%)	≥93
المرحلة الزجاجية (٪)	≤ 7
Coeffcientof linear expansion (1/℃)	-6.0x10
الكثافة الظاهرية (جم / سم 3)	≥2.9
حجم الجسيمات	0~1~3~5~8mm,180 mesh,200 mesh,240 mesh,325 mesh
معيار التفتيش	جيجابايت/T21114-2007؛ جيجابايت/T2999-2002
حزم	البلاستيك الداخلي والنسيج الخارجي 25 كجم / كيس (يمكن تخصيصه وفقًا لمتطلبات العملاء)