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Guangdong  Yonglong Aluminum Co., Ltd. 
Guangdong Yonglong Aluminum Co., Ltd.
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Quality Light Powder Coated Aluminum Extruded Aluminum Tube For Window And Door Frame

Guangdong  Yonglong Aluminum Co., Ltd. 
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Quality Light Powder Coated Aluminum Extruded Aluminum Tube For Window And Door Frame

Place of Origin : Guangdong, China (Mainland)
Brand Name : HONGYING
Certification : ISO9001:2000,ISO14001:2004
Model Number : customize
MOQ : 1 ton
Price : negotiation
Packaging Details : protective film for each piece, then each bundle in Kraft paper.or according to customer request
Delivery Time : Within 15-25 days after receive deposit and and moulds are passed.
Payment Terms : L/C, D/A, T/T, Western Union, MoneyGram
Supply Ability : 6000 tons per month
Alloy Or Not : Is Alloy
Color : In Customer's Order
Process : Powder Coating
Temper : T5
Grade : 6063
name : powder coated aluminum profile
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Powder Coated Aluminum extruded aluminum tube , aluminum window and door frames


Product Description


ProductAluminum extruded aluminum tube,aluminum window and door frames
MaterialAlloy 6060, 6061, 6063, etc.
temperT5, T6,etc
ColorDifferent colors available (black, blue, green, champagne, bronze, golden, vermillion, etc.)
Surface treatmentMill finish, anodized, electrophoretic coating, powder coating, thermal break, wood grain/wood-in-shift, etc.
MouldBased on your drawing or use our mould free
Sample timeUsual practice: within 15 working days against payment
UsagesWindows, doors, curtain wall, solar panel, LED panel, heat sink, industry, etc.
CertifiedISO9001-2008 Quality System,

The process control elements are described as follows:


2, pickling


In the process of molding or storage, the surface produces rust. Because of rust layer structure is loose, and substrate adhesion not firm, and the oxide of iron and aluminum can be galvanic cell, further make aluminum corrosion, the coating soon be destroyed, so it must be cleaned out before painting. Product pickling is usually used, it will not make the aluminum workpiece deformation, rust can be cleared, in every corner of rust removing speed, relatively low cost. The quality of pickling is mainly due to the fact that the non-visible oxide, rust and over-erosion are not due to the following factors.


(1) free acidity (FA)


It is the most direct and effective evaluation method to measure the effect of the acid washing trough. Low free acidity, bad rust removal effect. When the acid level of the free acid is too high, the acid fog in the working environment is too high to be harmful to labor protection. The surface of aluminum is prone to "over-erosion"; Moreover, it is difficult to clean the residue, which can cause the contamination of the liquid.


(2) temperature, time


Most pickling was conducted at room temperature, when using heating pickling, general control between 40 ℃ ~ 70 ℃, while the temperature to improve the ability of pickling, but too high temperature will aggravate the workpiece, the equipment corrosion, the influence on the work environment is also very bad; And the acid cleaning time should be as short as possible in order to reduce the corrosion of aluminum and the effect of hydrogen brittleness. The temperature of the tank and the processing time of the workpiece should be strictly controlled.


(3) aging of pollution


Acid in the process of removing rust, the oil or other impurities can be brought in, and the suspension impurities can be removed by scraping. When the iron over a certain content of soluble liquid tank cleaning effect will not only greatly reduced, and the excess iron ion with the residual liquid mixed with phosphating slot on the surface of the workpiece, accelerated phosphating bath pollution aging, seriously affect the quality of workpiece phosphating, general acid iron ions content should be controlled in less than 6% ~ 10% advisable. The fluid must be replaced when controlling the target.



Product Tags:

standard aluminium extrusions

      

extruded aluminum window frame

      
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