High Density Copper Profile for Electronic Leadframe

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 500 kg

Supply Capability:: 10000 kg/month

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Product: high density copper profile for Electronic Leadframe

Type Specifications: T2, TU1, TU2
Copper profile is processed copper with special shapes, and is mainly used in electric power equipment, railway sliding wire, and electronic leadframe, Feichi Copper & Aluminum owns several patents for high-density copper profile production, with the products of strong competitiveness and widely welcomed by the customers

High density copper profile Specifications

Type	Cu%(WT)	W%(WT)	RWMA	Density	E-conductivity(Min)		heat conduction	thermal expensivity
			Class	(Min)		Hardness	((W/mK))
						(Min)
CuW55	45±2	Balance	10	12.30g/cm3	49%IACS	125HB	~260	~11.7(10-6/K)
CuW60	40±2	Balance		12.75g/cm3	47%IACS	140HB
CuW65	35±2	Balance		3.30g/cm3	44%IACS	155HB
CuW70	30±2	Balance		13.80g/cm3	42%IACS	175HB	~240	~9.7(10-6/K)
CuW75	25±2	Balance	11	14.50g/cm3	38%IACS	195HB	200~230	9.0~9.5 (10-6/K)
CuW80	20±2	Balance	12	15.15g/cm3	34%IACS	220HB	190~210	8.0~8.5 (10-6/K)
CuW85	15±2	Balance		15.90g/cm3	30%IACS	240HB	180~200	7.0~7.5(10-6/K)

Copper profile is processed copper with special shapes, and is mainly used in electric power equipment, railway sliding wire, and electronic leadframe, we owns several patents for high-density copper profile production, with the products of strong competitiveness and widely welcomed by the customers

Q:Air conditioning on a thick and thin, two copper tubes play what role?: 2. heating system, refrigerant from the external machine through the big tube into the internal machine, and through the tube back to the external machine, condenser, compressor.3. refrigerant mode, refrigerant from the external machine through the small tube into the internal machine, and through the big tube back to the external machine.

Q:radiant system is old and copper pipe in concrete: Not recommended as wood is a fairly good insulator.

Q:I have a copper IUD the NOVA-T by Bayer.My boyfriend has ejeaculated in me... is that safe ?what are the chances I am pregnant ?I am supposed to get my period in like 3/4 days.This morning I have been throwing up with diarrhea cause i ate some old chickenand i didnt knowPLEASE GIVE ME ALL THE INFO YOU KNOW !& PERSONAL EXPERIENCE: it's possiable, similar to any being pregnant can exhibit a fake bad, I have had 3 ectopic pregnancys and all of mine have confirmed up on a scan even though. Make certain u get checked, an IUD places u at a mild bigger danger for an ectopic, and they're not anything to clutter with! well good fortune

Q:i‘m installing copper pipes to my bathroom and i know that the standard size to supply water to faucets and showers is a half inch. but would spending a little more now and getting 3/4 inch pipes be better in any way or just a waste of money and water? the reason that i ask this is because when i look at the inside of my old pipes (galvenized), there is barely any room left from all the mineral or whatever build up. that‘s why i was thinking if i were to install larger pipes now, wouldn‘t that increase the life of my pipes? does copper pipes even get build up like iron? what exactly happens to copper pipes after 40-50 yrs. (i‘m told that‘s the average life).: its common to use 3/4 as in comes into your home after that you take off 1/2 to furnish the rest of the house.you will not get a build up with copper .as with galvenized because of a chemical reaction that takes place in the lines over time as minerals react with the galv.not so with copper. 65

Q:When they soldered my pipes, they did not remove the flux. Years later, they look realy bad. What can I put on the pipes to clean or neatrulize the corrsion?: Actually cleaning off the corrosion will do more harm than good. That layer of ugly green white crud is keeping oxygen from getting to the copper, antimony, tin etc that is the sweat joint.

Q:GREE air conditioner in connection with copper to test machine: Connect to the online line, plug in the power line, set the air conditioner, the normal boot can be, but only to see the outside machine does not start, as soon as possible after shutdown, power failure. Because if the air conditioning overvoltage protection settings are not sensitive, it may damage the air-conditioning.

Q:What torch works best to solder copper pipes?: Any propane torch will work. One with MAPP gas will burn hotter and work faster. The real important point to soldering copper pipes is cleaning the copper before soldering. Clean the outside of the pipe with sandpaper and the inside of the coupling also. Do not touch the cleaned area with your fingers which will leave an oil residue on the material. Use flux on the joint. Heat the joint, not the pipe. Apply solder around the joint. When it flows remove heat and do not move until solder sets.

Q:What's the speed? Is it dangerous to do such experiments? The longer the brass tubes, the more obvious the effect is: There is a magnetic field around the permanent magnet. When it is placed in the metal tube, the magnetic field of the magnet passes through some cross section of the metal tube, causing magnetic flux in some cross sections of the metal tube

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