The surface of the profile is free of open air bubbles and ash. The reason is that the thickness of the anodised film is thin or the thickness is different, which will directly affect the corrosion resistance of the aluminium profile products. The surface color will change over time, seriously affecting the decorative effect.
Common Applications
What’s the Difference Between Cast Iron vs. Wrought Iron?


cast iron picket castings. Once the castings have been fabricated and prepared, they can be easily attached to posts or rails to create a stunning and functional fencing or railing system. And because cast iron is a low-maintenance material, regular cleaning and occasional touch-ups are all that is needed to keep these castings looking their best for years to come.
It hardly requires foreign fixing, which facilitates recycling. Snap-fit technique features lead-in barbs allowing the top extrusion to slide and clip over the bottom one.
PE film for each profile/ Shrink PE film for each bundle, Slot packing, Craft paper/ Foam Paper/Carton box


To ensure that the rollers of your aluminum sliding windows remain in good working condition, regular maintenance is essential
. Here are some tipsCasement aluminum windows and doors profiles
These profiles are taken through a special surface treatment module to attain the ideal surface finishing. It varies based on user preference and actual setting of the windows and doors.
According to the regulations, from 2021 onwards, the Uw value of a vertical window must not exceed 0.9 W/(m2*K). However, it is worth mentioning that each of the two basic elements that make up a window, namely the frame and the glazing, have a different thermal transmittance. Consequently, the thermal transmittance of the glazing Ug is lower than that of the profile Uf, which makes the glazing a warmer window element. Uw is, in turn, only the resultant of the two values we mentioned.
Type II-Sulfuric Acid Anodize
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- Second, consider the locking mechanism. Some metal storage boxes come with a traditional key lock, while others have combination locks or even biometric locks for added security. Choose a locking mechanism that works best for you and provides the level of security you need.
- A metal cash box with a lock is a practical and secure way to keep your money and valuables safe. These boxes come in various sizes and styles, but they all serve the same purpose – to protect your cash from theft or loss.