Solder Pastes

Solder paste is a type of solder used when manufacturing PCBs to connect surface mount components to pads on the board. The paste is a mixture of small solder spheres with flux.
The paste initially adheres components in place because of its stickiness. You then use heat to melt the paste to form a mechanical bond and an electrical connection.
Solder paste is applied to the board by stencil printing and the components are put in place by a pick and place machine or by hand.
Why use a solder paste?
Defects in circuit-board assembly are caused due to issues in the solder-paste printing process or due to defects in the solder paste. This can give short circuits, incomplete circuits, and head on pillow defects.
How to use Solder paste
• Remove oil, grease, polishing compound and any excessive oxides from the joint. Make sure that the joint is smooth, flat and free from any burs.
• Apply the solder paste to the top joint. The paste will not fill large gaps so make sure that the pieces to be soldered actually touch.
• Apply heat to the piece away from the joint, keep the heat source moving too prevent overheating the paste.
• Once the paste flows remove the heat source

Typical Applications
Solder pastes are used in mass production of PCBs and prototype PCB assembly.

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RS Stock No. 835-2699
Mfr. Part No.SKU-0018
HK$71.36
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- Electric Paint Pen 10ml
RS Stock No. 184-9985
Mfr. Part No.291264
BrandMulticore
HK$244.57
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- - Syringe 25g
RS Stock No. 835-2693
Mfr. Part No.SKU-0216
HK$159.71
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- Electric Paint Jar 50ml
RS Stock No. 551-693
Mfr. Part No.291337
BrandMulticore
HK$323.14
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- - Syringe 25g
RS Stock No. 184-9991
Mfr. Part No.291266
BrandMulticore
HK$354.59
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RS Stock No. 506-4289
Mfr. Part No.653555
BrandMulticore
HK$594.12
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RS Stock No. 555-232
Mfr. Part No.GEL FLUX MOB 39 - SERINGUE DE 10CC
BrandMBO
HK$204.83
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RS Stock No. 832-9775
Mfr. Part No.1817240
BrandHenkel
HK$532.39
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Yes Loctite HF212 SAC0307 AGS Jar 500g
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Mfr. Part No.2002845
BrandHenkel
HK$852.46
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Yes - Jar, Semco Cartridge 500g
RS Stock No. 832-9766
Mfr. Part No.1817229
BrandHenkel
HK$788.54
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Yes Loctite HF212 97SC AGS Jar 500g
RS Stock No. 832-9750
Mfr. Part No.1791137
BrandHenkel
HK$925.16
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Yes Loctite HF212 97SC DAP Jar 500g
RS Stock No. 146-6187
Mfr. Part No.SMD291AX
BrandCHIPQUIK
HK$132.88
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- - Syringe 15g
RS Stock No. 146-6188
Mfr. Part No.SMD291AX10
BrandCHIPQUIK
HK$187.32
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- - Syringe 35g
RS Stock No. 146-6194
Mfr. Part No.SMD291SNL10T5
BrandCHIPQUIK
HK$364.49
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Yes - Syringe 35g
RS Stock No. 146-6190
Mfr. Part No.SMD291AX250T3
BrandCHIPQUIK
HK$395.87
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- - Jar 250g
RS Stock No. 146-6197
Mfr. Part No.SMD4300AX10
BrandCHIPQUIK
HK$204.29
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RS Stock No. 146-6201
Mfr. Part No.SMDLTLFP250T3
BrandCHIPQUIK
HK$656.57
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Yes - Jar 250g
RS Stock No. 146-2877
Mfr. Part No.4902P-25G
HK$182.84
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Yes - Syringe 25g
RS Stock No. 146-6193
Mfr. Part No.SMD291SNL10
BrandCHIPQUIK
HK$236.64
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Yes - Syringe 35g
RS Stock No. 146-6189
Mfr. Part No.SMD291AX10T5
BrandCHIPQUIK
HK$294.22
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- - Syringe 35g
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