Factory Supply White Purity Insulating Ceramic Washer Ring

• Refractoriness (℃): 1770< Refractoriness< 2000
• Type: Industrial Ceramics
• Shape: Ring
• Material: Alumina
• Bulk Density: 3.7-3.85
• Color: White
• Model NO.: Ceramic Ring
• Al2O3: 95%-99%
• Transport Package: Sea-Worthy Wooden Pallet
• Specification: Alumina
• Trademark: Jucos
• Origin: China
• Production Capacity: 1000 Ton/Tons Per Day

Product Description

 

Product Description

Ceramic ring: Wear-Resistant alumina ceramic ring is a product made of special corundum ceramics, in which Al2O3 is the main raw material, rare metal oxides as the flux. It is calcined at a high temperature of 1,700ºC and then combined with high-strength organic/inorganic binders.

ITEM	UNIT	Alumina|A950	Alumina|A990
Main Conten	_	95%Al203	99%Al203
Color	_	White /Pink	Ivory
Density	g/cm3	3.7	3.85
Vickers Hardness	Gpa	14	17
Flexural Strength	Mpa	310	360
Compressive Strength	Mpa	2,200	2,500
Electrical Resistivity	Ω-cm	>10¹	>1014
Dielectric Strength	KV/mm	15	17
Dielectric Constant	1 MHz	8	9
Thermal Conductivity	W/m.K	25	29
Max.Working Temperature	ºC/°F	1,500/2,730	1,650/3,000
Resistance to Thermal Shock	∠T(ºC)	210	230
Thermal Expansion Coefficient (25-1,000ºC)	10/K	7-9	7-9

Q1 : How can you control your quality?
A1 : For each production processing, JUCOS have complete QC system for the chemical
       composition and Physical properties. After production, all the goods will be tested, and
       the quality certificate will be shipped along with goods.

Q2: Are you a manufacture or trader?
A2: We are truly a manufacturer, we not only can provide the high quality products with the
       best price, but also can offer the best pre-sale service and after-service.

Q3 : Do you provide free samples?
A3 : Of course, free samples are available.

Q4 : What is your lead time? 
A4 : It usually needs about 15- 20 days after receiving the PO.

Q5 : Can we visit your company?
A5 : Yes, for sure, you are welcome to visit JUCOS company and our products.
       Also, we can talk more about the technique details if you need.

Q6 : What is the warranty of your products?
A6 : Our products have at least 1 year warranty,if any quality problems,
    we will take responsibility of the cost of the shipment and the replacement.

Q7: What's the MOQ of trial order?
A7 : No limit, we can offer the best suggestions and solutions according to your condition.

Q8: Why choose us?
A8: We had been in this line for more than 25 years, we can not only provide you high
      quality products with competitive price, but also we can supply good technique service
      which can help you solve problems.