Solder Paste
We provide a full range of lead and Lead-Free Solder Pastes. Including Solder Pastes by both Qualitek and Senju, our Solder Paste range cover most electronics applications.

Senju Solder Paste
Senju is at the forefront of development for new solder pastes to address society’s ever changing need for faster communication, greater memory , product miniaturisation, higher reliability in automotive and medical fields, together with personnel devices and wearables.
Senju now offers both printable and jetting solder pastes that utilise particle 6 powder which can easily cope with 01005 chips and micro BGA devices. Common process problems such as Voiding, BGA Head in Pillow (HIP ), flux and solder splatter during laser reflow, low temperature alloys for temperature sensitive components and the need for stronger alloys offering higher reliability under shear strain and drop shock have all been addressed and are commercially available
Lead-Free Paste
Performance Indicators | Product | SAC305 | M794 | M10 | M40 | L29 | Type 4 | Type 5 | Type 6 | J-STD |
---|---|---|---|---|---|---|---|---|---|---|
Low Voiding | GRN360-K1-V8 | x | x | x | ROL0 | |||||
Fine Pitch Printing | ULT369 | x | x | ROL0 | ||||||
Ultra-Fine | RGS800HF | x | x | x | ROL0 | |||||
Low-Ag | LS720V | x | x | ROL0 | ||||||
Low Temperature | L29-145HF | x | x | ROL0 |
Leaded Paste
Performance Indicators | Product | 63/37 | 62/36/2 | Type 3 | J-STD |
---|---|---|---|---|---|
Excellent Reliability | 221CM-Z | x | x | x | ROL0 |
Qualitek Solder Paste
Qualitek is at the forefront in solder paste technology, producing formulations including Delta 825HF, a market leader throughout Europe, which meets the latest IPC standards. Delta 825HF is Halide and Halogen free, available in fine particle size across a range of alloys.
Qualitek produce a complete range of solder pastes, including no clean, water soluble and traditional rosin based pastes ideal for military & aerospace applications. Qualitek solder pastes are manufactured in the UK offering short lead times and low MOQs.
