GW2021-2 No-Clean Flux for PCB Soldering
GW2021-2 No-Clean Flux for PCB Soldering
● Mobel: 1150D
● MOQ : 1 set
● Packing details:
● Subject to discussion:
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Product overview GW2021-2 No-Clean Flux
GW2021-2 is made of improved rosin resin ,organic active agent,various additives and solvent. It has excellent solderability, shining & full solder spot, good tin-penetration ability and even-spreading. It can apply to the welding temperature of various leadless solders. It is an ideal No-clean flux for leadless solder.
Technical specifications
| Items | Technical Parameters | Standards |
| Part Number | GW2021-2 | / |
| Flux Classification | REL0 | J-STD-004A |
| Appearance | Clean, Pale Yellow Liquid | / |
| Solid Content (wt%) | 3.40 ± 0.50 | GB/T 9491-2002 5.4 |
| Specific Gravity (20°C) | 0.814 ± 0.005 | / |
| Acid Value (mg KOH/g) | 25.00 ± 5.00 | IPC-TM-650 2.3.13 |
| Expansion Rate (%) | ≥ 75 | JIS-Z-3197 8.3.1.1 |
| Chromate Paper Test | PASS | IPC-TM-650 2.3.33 |
| Copper Mirror Corrosion | PASS | IPC-TM-650 2.3.32 |
| Corrosion Test | PASS | IPC-TM-650 2.6.15 |
| SIR (Ω) | ≥ | IPC-TM-6502.6.3.3 |
| ECM | PASS | IPC-TM-6502.6.14.1 |
| RoHS | PASS | RoHS Directive |
Applications
GW2021-2 No-Clean Flux – It is widely used in power products, computer motherboards, display cards, communication devices, audio devices, refrigeration equipment, medical appliances, and more. It can be applied with leadless solder using techniques such as spraying, dipping, or expanding foam.
