Lead Free Active Solder Wire
Catalogue：Lead-free Solder Wire
Product features:
The distribution of flux is uniform, with a deviation of ≤ 0.1%;
Good wettability and fast soldering speed;
Low smoke and minimal splashing;
The solder joints are bright, with minimal residue after welding, and high insulation resistance between solder joints.
This product is widely used for automatic and manual welding of electronics, instruments, household appliances, and printed boards.
Information
This product is mainly made of high-quality hydrogenated rosin and high-purity refined tin, using a composite multi-component active flux formula, combined with advanced production technology, strict quality control process, and complete testing system. The product complies with and exceeds the requirements of the EU RoHS directive.
Product features:
The distribution of flux is uniform, with a deviation of ≤ 0.1%;
Good wettability and fast soldering speed;
Low smoke and minimal splashing;
The solder joints are bright, with minimal residue after welding, and high insulation resistance between solder joints.
This product is widely used for automatic and manual welding of electronics, instruments, household appliances, and printed boards.
Model: SnCu0.7 (lead-free active solder wire)
Alloy composition: 99.3% tin, 0.7% copper
Melting point: 227 ℃
Packaging specifications: 100g/roll (80 rolls/box), 500g/roll (40 rolls/box), 1kg/roll (10 rolls/box)
Wire diameter specification: 0.3-15mm
Flux content: 2.2% (conventional), 1.5% (low content), 3.3% (high content), solid core
The flux content can be customized according to demand
Suggested welding temperature: 340 ℃~380 ℃, which needs to be adjusted appropriately according to the size of the welded part, welding process, and welding effect.
Lead free solder wire flux type
Flux model | Expansion rate% | Purpose |
H1(convention) | ≥80 | Suitable for soldering high insulation resistance requirements in electronics, instruments, meters, household appliances, PCB boards, etc. |
H2 | ≥85 | Suitable for welding difficult to weld metal base materials, such as galvanized, nickel plated, Kovar alloy, Dummy wire, beryllium bronze, etc., which require high efficiency for welding. |
H3 | ≥90 | Suitable for welding difficult to weld metal base materials, such as capacitors, zinc spraying, gold spraying, nickel plating, zinc plating, Dummy wire, beryllium bronze and other welding with high efficiency requirements. |
R0 | ≥80 | Suitable for welding in electronics, instruments, meters, household appliances, PCB boards, etc. that require high halogen content. |
S1 | ≥80 | Suitable for high insulation resistance spot welding, drag welding, secondary repair welding, etc. in electronics, instruments, meters, household appliances, PCB boards, etc. |
- Related products
Lead Free Low Temperature Solder Wire
Product features:
Low melting point (melting point: 139 ℃);
The flux is evenly distributed and has good wetting properties;
Low smoke and minimal splashing;
There is less residue after welding, and the insulation resistance between solder joints is high.
This product is suitable for welding thermal sensitive components, thermal overload protectors, fire alarms, temperature control components, air conditioning safety protectors, etc.
