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Technical Data Sheet
I. DESCRIPTION
- 1. TF-9000-5 is clean-free flux. It is applied in a wide range. In spraying or foaming wave-soldering, its performance is superb. The activity of the flux is specially designed, especially fit for leadless welding. Even for PCB with common weldability, its performance for welding is still good. The moderate solid content in the flux and the internal activity ensures the least residues after the welding of PCB. In addition, the surface of PCB is dry and clean. If there are no special requirements, the cleaning procedure can be saved to reduce the production cost of manufacturers.
- 2. Another feature of TF-9000-5is that it has a high insulation resistance after being welded. This can ensure the reliable performance of PCB.
- 3. As to TF-9000-5, it has a wide range of technical data. Thus it can be applied in different environment, equipment and practical techniques.
II. FEATURES
- 1. Smooth and polished surface of weld spot
- 2. High wettability
- 3. Non-corrosiveness
- 4. Less residues and clean-free after being welded
- 5. Comply with IPC J-STD-004
- 6. High insulation resistance of surface
III. HANDLING
- 1. Expiration date for TF-9000-5in air-tight condition is 1 year. Do not refrigerate it.
- 2. Keep away from fire. Avoid direct sunlight or high heat.
- 3. Do not pack used flux and new flux together. Keep container air-tight.
- 4. If flux is reserved for a long time, the user should calculate its proportion before using it, and adjust the proportion to normal by adding diluent to it.
IV. FLUX APPLICATION
Project |
Suggested Technical Data |
|
Coverage of Flux |
Foaming: 25-55 mg/in2 calculated by solid content
|
|
If foaming technique is employed: Aperture of silica foam silica foam Top immerge depth expending foam Hatch of top enclosure Air pressure
If airbellsdoctor technique is employed: Aperture of airbellsdoctor Hole pitch Airbellsdoctor pressure Distance between airbellsdoctor and foam generator Angle of airbellsdoctor |
20-50um 25-40mm 10-13mm 1-2 psi
1-1.5mm 4-5mm 2psi 10-15cm 3-5° |
Arm-up temperature of top side |
80-110℃ |
Warm-up temperature of under side |
100-130℃ |
Heating rate of top side |
2-5℃/s |
Gradient of belt conveyor |
4.5-7°, usually 5-6° |
Speed of belt conveyor |
0.8-1.8 m/min |
Time of pass wave crest |
1.5-5 second |
Temperature of solder machine |
250-270℃ |
|
Note: Hereinbefore parameter is for reference only, no guarantee for the best welding effect. For the equipment, components, PCB adopted by users are different, it is suggested that experimental design should be applied to acquire optimized parameter. | |
V. PROCESS CONTROL
The use of flux is very important during the operation, which can keep the stability of the compositions of the flux. The accurate control of wave-soldering not only guarantees constant soldering effect, but also reduces the residue after soldering to minimum, thus eradicating the disturbance to soldering probe.
VI. PHYSICAL PROPERTIES
Basic Physical Properties
Project |
Test Results |
Appearance |
Yellow liquid |
Smell |
Of Alcohol |
Physical Properties |
Passed: 5±2ºC No delamination or separation by crystallization; no delaminattion below 45±2 ºC |
Solid Content |
5.8±0.5% |
Proportion |
0.814±0.01 |
Reliability
Project |
Technical Requirements |
Test Results |
|
Resistivity of Extracted Liquid |
JIS Z3197-99 JIS Z3283-2001 |
Pass: 5.0×104 ohm · cm |
Bronze Mirror |
IPC-TM-650 2.3.32 |
pass |
AgCrO4 |
IPC-TM-650 2.3.33 |
pass |
Halogen Content |
JIS Z3197-99 JIS Z3283-2001 |
pass |
Surface Insulation Resistance
Test Standards |
Requirements |
Standard |
Test Results |
J-STD-004 |
85ºC, 85% RH, 168hrs |
> 1.0×108 Ohms |
4.7×108Ohms |
VII. RESIDUE PROPERTIES AND REMOVE
- 1. TF-9000-5 is cleanse-free flux. There is no need to remove residue after soldering in common applications.
- 2. If cleanse is necessary, the residue of TF-9000-5after soldering can be removed with relevant cleaning agents provided by Tongfang Electronic New Materials Co. Ltd..
VIII. STORAGE
l TF-9000-5 is flammable. Keep away from fire or high heat. Avoid direct sunlight.
IX. HEALTH AND SAFTY
- 1. Ensure good ventilation during operation and pay attention to personal protection.
- 2. Read Material Safety Data Sheet (MSDS)carefully before using this product.
- 3. Do not waste or dispose the product at random.
Note:
- 1. This document is only used for reference and should not be used as basis of legal responsibilities.
- 2. While using the item, please customize the most suitable procedure or control methods according to different techniques to guarantee the stability of quality.
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