R7s Porcelain Ceramic Base Socket Cover for Infrared Heating Lamp

• Material: Ceramic
• Bulb Holder: R7s etc
• Interface Style: According to Customers′ Request
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: R7s
• Type: None
• Certification: ISO9001-2015
• Color: White/Brown/Customized Color
• Length: 10.0mm
• Od: 7.5mm
• ID: 4.7mm
• Material Name: Steatite/Alumina
• Transport Package: Plastic Bag + Carton
• Specification: According to customers′ request
• Trademark: WMT
• Origin: China
• HS Code: 85399090
• Production Capacity: 25million PCS Per Month
• Package Size: 35.00cm * 28.00cm * 21.00cm
• Package Gross Weight: 13.500kg

Product Description

R7s Ceramic Base is used in the heating lamps/infrared lamps. The main material is steatite or Alumina, according to customers' request.

You can purchase all the components of the heating lamp from our company at one time, including quartz glass tube, filament, ceramic base, etc.
Ceramic (Base, Socket, Cover, Tube) is used many fields, including insulation
pole of home lighting and auto lighting lamps, heating lamps, filament lamps,
discharge lamps, etc.

The shape, design, size, color could be made according to the customer's request.
 

Performance for parts made in different materials
Item	Index	Unit	Steatite	Zirconia	95 Al2O3	99 Al2O3
Physical Characteristics	Density	g/cm^3	2.7	5.9	3.6	3.85
	Water absorption	%	0	0	0	0
	Sintering temperature	ºC	1300	1650	1670	1690
Mechanical Characteristics	Hardness	HV	1300	1400	1600	1700
	Rupture strength	4pt	>1100	>11000	>2900	>3500
	Compression strength	Kgf/cm^2	18000	25000	25000	30000
Thermal Characteristics	Max. operation Temp.	ºC	1100	1600	1400	1500
	Linear expansion coefficient	10^-6/ºC, 0-1000ºC	6	10	7.8	8
	Heat resistance impact	T (ºC)	110	350	220	200
	Thermal conductivity	W/m.k	15	3	22	31
Electrical Characteristics	Valume resistivity	Ω.cm	>10^12	>10^12	>10^12	>10^12
	Insulation Demage Strength	KT/m	20	15	16	18
	Dielectric constant	1MHz ( E )	5.8	12.5	9.0-10	9.2-10.5

Production Line:

Packaging:

Company Advantage:
Good service and cooperation, reasonable price, customer-trusted quality.

FAQ:
Q: How long is your delivery time?
A: Generally speaking, two weeks according to the quantity.
 
Q: Do you provide samples? 
A: Yes, we could provide the sample free of charge.
 
Q: What is your payment terms?
A: 30% T/T in advance, 70% T/T before shipment. Or irrevocable sight LC. After stable cooperation experience, we would offer better payment condition.

Q: How can I place an order?
A: You can do it through email, wechat, whatsapp, skype.

Q: How do you take care when your clients received defective products?
A: If there are some defective items more than percentage that both sides agreed in the PI or SC, we usually credit to our customer or replace in next shipment.

If you have any request for other information or assistance, please feel free to let us know. Thanks.