Name:Solder Paste 45/55 Sn45Pb55
Name:Tin Lead Solder Paste
Alloy:Tin Lead
Flux:No clean flux
Applications:Reflow soldering of electronics assembly
Country of Origin:China

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  • Solder Paste 45/55 Sn45Pb55

Product Description

Tin Lead Solder Paste 45/55 Sn45Pb55

Tin Lead Solder Paste 45/55 Sn45Pb55 is a paste that is mixed with a no clean flux with tin lead alloy powder 45/55. It consisted of 45% tin and 55% lead.

Basic information of Tin Lead Solder Paste 45/55 Sn45Pb55:

Composition: Sn45Pb55, it's a leaded tin alloy.

Powder size: Type 3, 25 to 45 microns. Other powder size available upon request.

Flux: No clean type (about 11.5%)

Melting Point: 183℃ to 225

Packing: Jar or Syringe.

Weight: 200g/jar, 500g/jar, 1000g/jar, 2000g/jar or other weight as per customers’ requirements.

Color & Appearance of Paste: Metallic grey paste form.


Applications of Tin Lead Solder Paste 45/55 Sn45Pb55: 

Solder paste 45/55 is mainly used for SMT (surface mount technology) of PCB assembly, BGA etc. Solder paste is suitable for assembly of small electronic parts or soldering projects by stencil printing. Tin lead solder paste Sn45Pb55 is generally soldered through reflow soldering method, used for LED lighting or other PCB soldering.

tin lead solder paste 45/55 Sn45Pb55 reflow soldering 

Feature of Tin Lead Solder Paste 45/55 Sn45Pb55: 

1. Good wetting property. Solder paste 45/55 can melt and flow well to form a nice solder bead.

2. No clean flux. The residue of tin lead solder paste Sn45Pb55 after soldering is neutral, non corrosive and transparent, in most general applications there is no need to do cleaning.

3. Stable viscosity during the continuous printing process. 

4. Bright & firm solder joints after soldering. 

5. Cost wise it's quite affordable when comparing to solder paste 63/37 or lead free solder paste.

Using & Storage of Tin Lead Solder Paste 45/55 Sn45Pb55: 

1. Recommended storage of tin lead solder paste 45/55: kept in refrigerator at temperature between 0 to 10.

2. Solder paste Sn45Pb55 must be taken out of the refrigerator at least 3 to 6 hours prior to use. This will give the paste enough time to come to thermal equilibrium with the environment.

3. We recommend using out the solder paste 45/55 after the jar is open each time. Mix the solder paste gently for at least one minute after fresh jar is open. In case there’s still leftover paste after using, it must be tightly sealed and refrigerated when not in use. Before re-using, it’s a must to double check if the solder pastes hasn’t become separated or thicken to its usual state.

4. Read and follow TDS of solder paste Sn45Pb55 before using.

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