Phosphating adalah proses perlakuan
terhadap logam (besi, galvanized atau aluminium) menggunakan asam phosphate dan
senyawa lainnya dimana permukaan logam bereaksi secara kimia dengan media asam
phosphate tersebut membentuk lapisan kristal phosphate yang tidak larut yang
melindungi permukaan logam secara keseluruhan.
Mengapa proses phosphating dan metal pre-treatment penting untuk dilakukan ?
a. Membersihkan metal/ logam
(Degreasing)
b. Persiapan untuk proses pengecatan
c. Mengurangi reaksi metal/ cat
d. Meningkatkan ketahanan terhadap korosi
e. Meningkatkan ketahanan terhadap Blister
Faktor-faktor yang mempengaruhi Hasil Phosphating :
-Metode cleaning yang digunakan
-Penggunaan surface conditioning
-Metode aplikasi yang digunakan (Spray atau
dipping)
-Suhu, konsentrasi dan waktu
-Modifikasi
komposisi larutan
a. Spray (Penyemprotan, dengan bantuan mekanik ke arah
benda kerja).
Product list and function :
1. Diafos 1000 Prep ;
Tri-cationic phosphate process for spray application Make up
2. Diafos 1000 ALIM ;
Tri-cationic phosphate process for spray application Repleshing
3. Diafos 1030 ALIM ; Low
Temperature Zinc Phosphate Process
4. Diafos 1222 ALIM ;
Immersion Zinc Phosphate Replenishing
5. Diafos 1222 Prep ;
Immersion Zinc Phosphate Make up
6. Diafos I-5000 ; Iron
phosphating for spray & immersion application
7. Diafos I-5050 ; Iron
phosphating for spray application
b. Immersion (Dipping, pencelupan), benda kerja
dicelupkan ke dalam bak yang berisi larutan Phosphating
Product list and function:
1. Diafos 2000-1 ALIM; Tri-cationic phosphate process for
immersion application Replenishing
2. Diafos 3000 Prep ; Zinc phosphate for steel cold
forming Make up
3. Diafos 3000 ALIM ; Zinc phosphate for steel cold
forming Replenishing
Beberapa type phosphating :
a. Satu Kation :
- Zinc Phosphating (Zn
Phosphate)
- Manganese Phosphating (Mn Phosphate)
- Iron Phosphating (Fe-Phosphate)
b. Dua kation
- Zinc dan Nickel Phosphate
c. Tiga Kation :
- Perpaduan Zinc, Manganese dan Nickel Phosphate
- Manganese Phosphating (Mn Phosphate)
- Iron Phosphating (Fe-Phosphate)
b. Dua kation
- Zinc dan Nickel Phosphate
c. Tiga Kation :
- Perpaduan Zinc, Manganese dan Nickel Phosphate
a. Satu Kation :
- Iron phosphating :
Advantage :
- Coating Thickness : 200 - 800 nm
- No heavy metalls
- Medium energy consumption
- Medium cost for : waste disposal, cleaning and chemicals
- Result of phosphating : Rainbow coating (visual)
Simple process of Iron phosphating in Customer :
a. Degreasing
b. Rinsing
c. Iron Phosphating
d. Rinsing
e. Drying
b. Dua Kation :
- Zn Phosphating:
- Zn Phosphating:
Diafos 1030, Packaging : 30 Kg/Can
A typical process of Zinc phosphating in Customer :
a. Degreasing
b. Rinsing
c. Activation
d. Phosphating
e. Rinsing
f. Post Treatment
g. Drying
c. Tiga Kation :
-Zn Phosphating: c. Tiga Kation :
Advantage :
- Coating
thickness 2.000 - 10.000 nm
- High corrosion protection
- Result of phosphating : Grey coating (visual)
-Metode aplikasi Phosphating ada 2, yaitu dipping (celup) atau spray (semprot):
A typical process of Zinc phosphating in Customer :
a. Degreasing
b. Rinsing
c. Activation
d. Phosphating
e. Rinsing
f. Post Treatment
g. Drying
For more details, please contact us:
PT. Aalen
Chemicals Indonesia
Jl Pulobuaran
III Blok G3,
Kawasan
Industri JIEP, Pulogadung
Jakarta Timur
Tlp :
021-46830522
Website :
www.aalen.co.idEmail : aalen.chemicals@gmail.com, aalen@cbn.net.id
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