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Surface Mount Solder Paste
Superior Flux offers a full range of solder pastes for SMT reflow applications, including: Conventional and low-residue No-Clean, water-soluble, and RMA. Superior Solder Pastes, available in Halide/Halogen-free formulations, are designed for Lead-Free and Tin-based alloys.
| Superior Flux Number |
Description | Alloy | IPC Classification | Post Solder Residue Level | MSDS | Spec. Sheet |
| 3000 Series | Conventional No-Clean solder paste | Lead-Free, Tin-based (Lead Bearing) |
ROL0 | 3.3 – 5.5% |  |
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| 4000 Series | Synthetic No-Clean solder paste | Lead-Free, Tin-based (Lead Bearing) |
REL0 | 2.5 – 3.3% | |
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| 8000 Series | Water-soluble solder paste | Lead-Free, Tin-based (Lead Bearing) |
ORM0 | N/A |
No. 3000 Series No-Clean solder paste boasts superior wetting characteristics, lot-to-lot consistency, and stable viscosity. Properties include:
- Capable of printing 12-mil. pitch
- Exhibits no slump
- Supports a long tack time.
No. 3000 Series leaves a translucent residue, and post-solder joints are pin-testable
No. 4000 Series Synthetic No-Clean has a low residue level of 2.5-3.3% that provides superior wetting characteristics, lot-to-lot consistency, and stable viscosity. Properties include:
- Capable of printing 12-mil. pitch
- Exhibits no slump
- Supports a long tack time.
No. 4000 Series leaves a clear residue, and post-solder joints are pin-testable
No. 80000 Series water-soluble solder paste is halide/halogen-free and provides superior wetting characteristics, lot-to-lot consistency, and stable viscosity. Properties include:
- Capable of printing 12-mil. pitch
- Exhibits no slump
- Supports a long tack time.
No. 80000 Series residues are not merely water-washable, but are truly water-soluble.