Product Description Model NO.: RY-90 Feature: Long Time Materials, Instant Materials Shape: Ball Trademark: RY Origin: China Refractoriness (℃): 1580< Refractoriness< 1770 Type: Refractory Material Material: Alumina Cement Specification: 0.3 HS Code: 854710000 Product Description
1: Chemshun introduction :

Process ceramic Alumina Pipe of various dimensions for different fields of wearable conditions.  Alumina pipelining is characterized with excellent wear resistant property and long service life; smooth surface, low friction coefficient; resistant to most kinds of acid, alkali and salt; low thermal expansion coefficient and thermal conductivity, operating temperature can be up to 1500 centi-degree max . Chemshun ceramics can engineer and manufacture a totally new pipe system or individual components that will solve customer's piping problem . Alumina pipe linings are pre-engineered with proper side bevel to achieve full face to face contact and maximum interlock .customized and standard-end connections are available .

2:Chemshun ceramic tube pipe advantages : High hardness  Superior abrasion   Corrosion and chemical resistance  Light weight  Low maintenance cost: Super wear-resistance reduce the maintenance frequency and also the maintenance cost. Good fluidity : Smooth surface ensure the free flow of material without  blocking
3: chumshun pipe Size available
 

Chemshun pipe Sizes
Maximum ID 300 mm	Thickness and length according to customer's needs
more sizes and customized size acceptable

4: Technical data : Main performance index about Alumina Ceramic Tube:

Project		Test the condition	Unit	99 porcelain	95 porcelain	Talc porcelain
Backbone				99%AL2O3	95%AL2O3	MgO.SiO2
Physical property	Density of volume	Normal atmospheric temperature	g/cm3	3.8	3.6	2.8
	Airtight	Normal atmospheric temperature	.	.Pass	Pass	-
	Absorbing water rate	Normal atmospheric temperature	%	0	0	0
	Temperature that frit		°C	1800	1650	1350
Mechanical performance	Rockwell hardness	Normal atmospheric temperature	HRA	88	86	76
	Resist the intensity of turning back	Normal atmospheric temperature	Mpa	350	320	150
	Compression strength	Normal atmospheric temperature	Mpa	1300	1200	900
Hot performance	Use temperature at most		°C	1700	1600	1200
	Heat resistant shaking	20O°C-1100O°C	10Num	Pass	Pass	Pass
	Hot coefficient of expansion	20O°C-80O°C	×10-6mm/°C	6.5-8.5	6.5-8.0	5.0-6.2
	Heat-conduction rate	25°C	W/m.k	29	25	2.9
		300°C	W/m.k	18	13	2
Dielectric constant	The medium lossing	1MHz2O°C	×10-4	≤2.5	≤4	≤8.0
	The angle tangent is worth	1MHz8O°C	×10-4	≤3.5	≤4.2	-
	Dielectric strength	Normal atmospheric temperature	KV/mm	15	16	20
	Dielectric constant	1MHz2O°C		9-10.5	9-10	≤7.5
	Resistivity of volume	2O°C	Ω.cm	>1012	>1012	>1013
		10O°C	Ω.cm	1012-1013	1012-1013	1010-1011
		30O°C	Ω.cm	>1012	3.1×109	5×108

 
 
5: Application :

------Chemshun bend pipe liner application :
 
 1), power plant boiler milling system piping:including, primary air duct pipes lose powder, thick powder separator pipes, coal drop pipe, combustion system, secondary air pipe, three pipelines and burner pipe, ash slagging system slagging pipeline back pink piping, dry ash pipelines;
 
 2), steel mills raw material pipelines, pipeline receipts, dust pipes, pipe ash, ash pipeline, ingredients mixing pipe mill outlet pipe, coal pipe, pulverized coal pipeline, separator piping, burner tubes radius wear elbow;

 3), cement sorter machine outlet pipe, sorter inlet pipes, collecting pipes, air  
ducts stand grind, circulating air duct, coal mill high temperature fan duct, cutting tubes wear elbow
 

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