Phosphate Bonded High Alumina Brick

Phosphate bonded high alumina brick is also known as high alumina wear-resistant brick. It is a kind of high alumina refractory made by semi dry high-pressure molding and heat treatment at 400 ~ 600 ℃ with high bauxite clinker as aggregate and fine powder, phosphoric acid or aluminum phosphate as binder.

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Physical and Chemical Index :

Items	Brands	Chemical Composition %			BD g/cm³	AP %	CCS MPa	RUL℃	Refractoriness ℃	TSR (1100℃，water ,tiems)
Items	Brands	AL₂O₃	Fe₂O₃	CaO	BD g/cm³	AP %	CCS MPa	RUL℃	Refractoriness ℃	TSR (1100℃，water ,tiems)
High-RUL Phosphate	TP-1	≥80	≤2.0		≥2.85	≤18	≥80	≥1500	>1790	≥15
Common Phosphate	P-80	≥80	≥3.2	≤0.6	≥2.77		≥70	≥1350	>1790	≥10
Phosphate Abrasive Brick	PA-80	≥80	≥3.2	≤0.6	≥2.75		≥75	≥1300	>1790	≥10

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