SHANGHAI LIJIN IMP.&EXP. CO.,LTD
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6061 Aluminum Turning M4 Thread holes bottom - Accept all kinds of aluminum parts processing.
Aluminum surface treatment
[methods1] Skim the following solution after chemical treatment: phosphoric acid 7.5 Chrome oxide
7.5 alcohol 5.0 Formaldehyde (36-38%)80 in 15 - 30 c.dip 10-15 min And then in 60 - 80 c.
Under the water to wash, dry.
[methods2] After degreasing anodized in the following solution: concentrated sulfuric acid 22 g/l in 1-1.5
A/dm2 The dc is strong Under the degree of impregnation 10-15 min ,Again in saturated potassium
dichromate solution,in 95 - 100 c. The impregnation 5-20 min, And then washed,Dry.
[methods3] After degreasing chemical treatment in the following solution: Potassium dichromate 66
Sulfuric acid (96%) 666water 1000 in 70 c. The impregnation 10 min And then washed, dry.
[methods4] Skim the following solution after chemical treatment: nitric acid (D = 1.41)3 Hydrofluoric acid
(42%)1 in 20 c.The impregnation3 s "After washing with cold water, then on 65 c.
Wash with hot water, distilled water rinse, and dry.This method is suitable for copper
The higher casting aluminum alloy.
[methods5] After sand blasting or polished, In the following solution ZhongYang polarization: Chrome oxide
100 Sulfuric acid 0.2 Sodium chloride 0.2 in 40 c.In under the 10 min The voltage from the inside 0 v Rose
to 10 v , keep 20 min,Again in 5 min From the inside 10 v Rose to 5 0 v,keep 5 min And then washed,700
c Under the dry.Note: the free chrome oxide concentration may not exceed 30-35 g/l.
[methods6] After degreasing chemical treatment in the following solution:Sodium silicate 10
Non-ionic detergent 0.1 in 65 c. The impregnation 5 min And then in 65 C Under water, then use distilled
water washing and drying.Suitable for bonding of aluminum foil.
[methods7] After degreasing chemical processing in the following solution: Sodium fluoride 1
Concentrated nitric acid 15 water 84 Soaking at room temperature 1 min , After wash again in the
following solution treatment: concentrated sulfuric acid 30 Sodium dichromate 7.5 water 62.5 Soaking
at room temperature 1 min, washed
32mm Internal Diameter, 2mm Wall thickness, 60mm Length
Black annodized
n.w.: 19g/pc
Material: 6061-T6
Describe
| Finish: | Zinc/Nickel/Chrome/Tin/Gold/Brass/Silver/Titanuim/Cataphoresis |
| Surface process: | Polishing/Painting/Laser etching/Engraving/Silk printing |
| Anodizing work: | Regular anodize and hard Anodize, Color can be Black/Gold/Red/Blue/Silver/Yellow |
| Tolerance accuracy: | +/- 0.05mm to 0.01mm |
Primary Competitive Advantages
Experienced Staff Guarantee/Warranty Product Features Product Performance Prompt Delivery
Service Small Orders Accepted OEM Many finishes choice Many raw material
FAQ
→ If i need the parts urgent, how can you help?
We are alway here to help.our factory production time is flexible,we will prioritized arrange urgent order
to meet customer urgent requirement.
→ I want to keep our design in secret?
Sure.
→ Can i buy some products from your company?
All our products are customized made according to customers' drawing or sample,not stock products
available.
→ Can i get some sample for check quality?
Yes, single sample will charge sample fee.For batch production we will provide sample for check before
mass production,or we will charge sample fee first, will refund after batch production.
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