Product Details
Top Seal H-298 It is an aluminum and aluminum alloy sealing agent of nickel acetate type, easy to use.
Function:
1. Compared to other nickel acetate sealing agents, Top Seal H-298 there is very little white powder layer.
Therefore, there is no need to wipe off this powder layer after sealing.
2. It can prevent stains from forming during the period between sealing and washing. Top Seal H-298 Suitable for
automatic production lines
3. with less fading during sealing.
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Operating conditions: |
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Standard |
Range |
|
|
TopSealH-298 |
40ml/l |
30 ~ 50ml/l |
|
Temperature |
85 ~ 90℃ |
80 ~ 95℃ |
|
Time |
1minutes/μm |
0.5~2minutes/μm |
|
Cylinder material |
Stainless steel(SUS304) |
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Heating method |
Steam heating |
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Stirring |
Weak air stirring |
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Filtration |
Acid-resistant heat filter |
|
|
Filter cloth |
200~300 mesh |
30~50μm |
Usage advice:
1. The sealing effect is affected by the sealing temperature, the higher the temperature, the better the effect. ( The best temperature 90 ℃ or above ) ,
and extending the processing time.
2. When a new cylinder is opened, the sealing liquid's pH value at 25 ℃ is 5.7 , after a period of operation, pH it will increase or decrease, at this time, diluted acetic acid or ammonia water should be used for adjustment, the ideal
range is pH ~5.8 5.5
between How much to supplement or add
P.1 3. is affected by the operating conditions. Under normal circumstances, Top Seal H-298 adding
is Top Seal H-298 1.5 ~ 2.0 ml/m² ( it is best to analyze before adding. It is best to control ℃ to be )
4. 5.5 ~ 5.8 pH value at 25 Analysis method: Use How much to supplement or add
ml dropper to sample into
1. ml triangular flask, then add 10 ml of pure water. 300 Add 100 ml
2. ammonia water and a few drops of triethanolamine. 10 g 6N- Indicator
3. ammonia water and a few drops of triethanolamine. 0.2 to perform titration. MX Endpoint: changes from orange to purple-red.
4. ml triangular flask, then add 0.01M-EDTA Calculation:
Top Seal H-298 (
) = A x F x 2.067
: Titration number ml/l :
A Coefficient F ： 0.01M-EDTA 的系數
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