Cheap copper and tinned copper jumper wires

Jumper wire description

1) Structure

2) Conductor: copper or tinned copper

3) Insulation:PVC;

4) Colour: red and white;

                black and white;

                yellow and blue; or as customer's requirement

Technical specification

Jumper wire test requirement and method
Spec.	1P x 24AWG	Length	500m or 1000m	Temperation	20℃
No.	Test items	Technical requirement		Test method
1	Conductor material	Tinned copper	ASTM B-33
2	Conductor dia	0.511±0.005mm		measured by digital micrometer
3	Outer diameter	2.16mm
4	Minimum twist distance	155mm	request 60-80mm aprox
5	PVC insulation thickness	average value:0.26±0.025mm		measured by microscope
6	PVC insulation elongation	150-300%		sample length 36mm,test speed 50mm/minute
7	PVC insulation tension strength at 70℃	≥10MPa		sample length 36mm,test speed 50mm/minute
8	Conductor resistance	≤95 ohm/km (20℃)
9	Mutual capacitance	≤80 nF/km
10	Density	1.4g/cm3
11	Dielectric Rigidez	20KV/mm
12	PVC insulation characteristics	non flame propagation
13	Insulation resistance(15.6℃)	≥2000ohm/km
14	Insululation colors	blue/yellow-red/white		good
15	Operating temperature	-15℃ to +70℃
16	Attenuation(20℃)	150KHZ	≤10dB/km
		772KHZ	≤21dB/km
		1MHZ	≤24dB/km
17	Packing
	1km wooden drum
	Flange thickness 0.9mm ezch side
	Note:both cable ends must be accessible for testing(15cm for inner end)

Other types of copper wire

 About Us

 Hangzhou Jincheng Industry Co., Ltd. (former Hangzhou Jincheng Plastics Co., Ltd.)was founded in 1988, the company specializes in producing PVC, PE, PP, PPR series of pipes,pipe fittings, PVC wires and cables, digital communication standard with solid polyolefin insulation and twisted pair cables (network cables), plastic inspection chamber and the PVC cable compounds. Hangzhou Jincheng Industry Co., Ltd. was named Zhejiang Province, Zhejiang Province science and technology enterprises, Province execellent products, high-tech enterprises in Hangzhou, Hangzhou brand, is focused on AAA-class hundred and integrity Enterprise, Zhejiang industrial and commercial enterprises credit AAA level "good credit" unit. 

The company is located in the western suburbs of Hangzhou, the scenic town of Jingshan Lu(Tea siant)capital, land and water and convenient air transportation, business area of 50,000 square meters, construction area of 18,000 square meters, the company has assets of 130 million yuan, with advanced production equipment and technology, strong technology, with the most advanced imported and domestic testing equipment, the annual production capacity of 680 million yuan. 

The company has always insisted that "science and technology innovation, first-class products, satisfactory service, continuous upgrading of quality standards to meet customer requirements," the quality, in strict accordance YD/T1019-2001, ISO3633, GB/T8815-2008, GB / T2782-2006, CJ/T233-2006 standards organizations such as the production, since 91 years, our products are qualified by the Bureau of Technical Supervision sampling products and participate in national industry standards, quality and prestige in Zhejiang Province was named products, product sales to more than 20 domestic provinces and the Americas, Europe, Southeast Asia and Hong Kong. 

Companies adhere to the customer as the center in 1998 through ISO9001 quality system certification, certification in 2008 by Theil, stable product quality tends to improve the development of state enterprises to improve customer service and management network, the company chairman Mr. Zheng Jinbang, General Manager Mr. Wang Yun warmly welcome new and old customers to create the future. 

Test equipment and Production equipment

Patent certificate of wire and cables

Package of jumper wire