Diagram showing the major parts of a modern incandescent light bulb.
1
Glass bulb
2
Inert gas
3
Tungsten filament
4
Contact wire (goes to foot)
5
Contact wire (goes to base)
6
Support wires
7
Glass mount/support
8
Base contact wire
9
Screw threads
10
Insulation
11
Electrical foot contact
Size Watt
25W
40W
60W
100W
150W
200W
300W
500W
A55
√
√
√
√
A60
√
√
√
√
A70
√
√
A75
√
√
A100
√
√
A110
√
√
Size Base
E27
E40
B22
QTY/40HQ
A55
√
√
242000 pcs
A60
√
√
190000 pcs
A70
√
120000 pcs
A75
√
89900 pcs
A100
√
√
31750 pcs
A110
√
√
27500 pcs
Bulb colors
Different glass shell optional
Clear glass shell incandescent bulb.
Frosted glass shell incandescent bulb.
Milky white glass shell incandescent bulb.
Colored Incandescent bulb
Red color glass shell incandescent bulb.
Green color glass shell incandescent bulb.
Blue color glass shell incandescent bulb.
Yellow color glass shell incandescent bulb.
Ralated products
Certifications
Company Information
FAQ
Q1. Can I have a sample order for incandescent light bulb?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
A:Sample needs 1-3 days, mass production time needs around 25-30 days depends on order quantity.
Q3. Do you have any MOQ limit for led light order?
A: Low MOQ, 1pc for sample checking is available
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 5-7 days to arrive. Airline and sea shipping also optional.
Q5. How to proceed an order for incandescent light bulb?
A: Firstly let us know your requirements or application. Secondly We quote according to your requirements or our suggestions. Thirdly customer confirms the samples and places deposit for formal order. Fourthly We arrange the production.
Q6. Is it OK to print my logo on led light product?
A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q7: Do you offer guarantee for the products?
A: Yes, we offer 1 year warranty to our products.
Q8: How to deal with the faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%. Secondly, during the guarantee period, we will send new lights with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution i ncluding re-call according to real situation.