High quality copper solder paste

PASTED COPPER BRAZING ALLOY COPPER BRAZING FILLER METAL

HUAZHONG HZ-QJ302 flux is a high temperature flux for use with copper based brazing filler metals melting between 850-1150 degree. Featuring better in fluidity, and permeability, and it could avoid the problem of fluidity and moisture-absorption. HZ-QJ302 paste is used for brazing of copper and copper alloys, stainless steel, carbon steel, hard metal within 850°C to 1150 degree. It can meet the requirement of high process and automation.

Preparation: The surface of the work pieces should be cleansed carefully before brazing. The performance of the flux can be optimized on a surface without oil and oxide. In flame brazing, neutral flame is usually required.

Conditions for use: Stir the paste before using it .The paste should then be brushed onto the joint surfaces before assembly. Further flux should then be applied externally either side of the joint mouth.

Q: How to get a formal effective quotation?

A: According to your required specification, such as material(Article) ,main dimension, and the quantity you need, we will provide a formal effective quotation within a working days.

Q:How to deal with the parts received when they are found to be in poor quality?

A: Please rest assured that all our products are QC inspected completely and accepted with inspection report before delivery. Generally there will no non-conformance. In case of non- conformance, and the errors identified was caused by us, we will arrange to repair or make right parts for you. We are Trade Assurance supplier of Alibaba, it will provide you max protection.

Q: What is the MOQ?                                                                          

A: Usually we don’t set MOQ, but the more, the cheaper. Besides, we are happy to make prototype or sample for clients to ensure quality standard.

Q: Whether some samples can be provided ?

A: Yes, just need some sample cost, we will return it back when proceed into mass production.

Q: If we can not find what we want on your website, what should we do?A: You can email us the descriptions and pictures of the products you need, we will check whether we have them. We develop new items every month, and some of them have not been uploaded to website in time. Or you can send us sample by express, we will develop this item for bulk purchasing.

Anhui Huazhong Welding Material Manufacturing Co., Ltd is established in 2004, and located in Hefei——the central City of Anhui Province. We are specially good in manufacturing and producing brazing materials. Our main products include :silver-based brazing filler metal, copper-based brazing filler metal, aluminum-based brazing filler metal and associated brazing flux, flux-cored welding wire etc. Our brazing flux products include: silver welding paste, silver welding powder, copper welding paste, copper welding powder, aluminum welding paste, aluminum welding powder, spot welding paste (water), etc. The available shape of brazing alloys are rod, ring, sheet, strip, wire etc .