alumina wear-resistance ceramic tube from China manufacturer - Tangshan Fenghua Porcelain Industry Co.,Ltd

Product Detail

Model No.: CT-003

Production Capacity: 10000pcs/day

Delivery Date: 15 days

Al2O3: 99.5%

Means of Transport: Ocean,Land,Air

Packing: carton or wooden case packi...

Brand Name: FH

it has the high insulartion, abrasion resistance, compression resistance, corrosion resistance, and heat resistance.

High temperature furnace Al2O3 alumina ceramic Tube

Material: Alumina ceramic

Mainly Usage:

1. Heat treatment furnace and toughened furnace

2. Inner liner tube and heating tube in electric furnace

Features:

1.Great mechanical strength

2.High softening temperature

3.Good resistance to thermal impact

4.Small thermal expansion coefficient

5.Good chill and abrupt heat properties

6. Resistance to acid and alkali corrosion

Material	70 Al₂o₃	75 Al₂o₃	80 Al₂o₃	85 Al₂o₃	90 Al₂o₃	95 Al₂o₃	99 Al₂o₃
Al₂o₃	65%	75%	80%	85%	90%	93%	99.3%
Fe₂o₃	≤ 4	≤ 2	≤ 1.5	≤ 1.0	≤ 0.5	≤ 0.5	≤ 0.3
Desnsity:g / cm³	2.8	3.10	3.20	3.40	3.50	3.60	3.85
Vickers Hardness	7.5	≤ 7.8	≥ 8	≥ 8.6	≥ 8.8	9	9
Water Absorption:%	≤ 4	≤ 1	≤ 0.5	≤ 0.2	≤ 0.1	≤ 0.085	≤ 0.01
Refractoriness:℃	1300 ℃	1400 ℃	1450 ℃	1580 ℃	1600 ℃	1650 ℃	1800℃
Flexural Strength:Mpa	80	100	150	180	200	240	280
Wear Rate( at room temperature, erosion, 100 grinding)%	≤ 5	≤ 4.5	≤ 3.5	≤ 3	≤ 2.5	≤ 1	≤ 0.5

Chemical competent	Al2O3	≥99.5%
	SiO2	<0.2%
	Fe2O3	<0.1%
Alkaline matter		<0.1%
Density		3.9 g/cm3
Hardness		9 M
Water absorption		<0.1%
Ruptures trength		>2000kg/cm2
Gas tightness		Kept for ten minutes at negative pressure of 1.3Kpa. The pressure drop is less than 0.3Kpa.
Thermal tolerance		Insert the pipe into the furnace at a depth of 20mm. Heat to 1600ºC and maintain for 30 minutes.
Alkali tolerance		In the Na2CO3 solution of 2N concentration, boil for 15 hours with the weight loss not greater than 20mg/dm2.
Volume resistance		>9*10(5) Ω·cm/1600ºC
Breakdown voltage		20kv/cm
Expansion coefficient		8*10(-8)
Temperature for use		Long-term: 1600ºC Short-term: 1800ºC