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The Most Common Surface Treatment—Mill Finish.
Mill finish means to get the finished aluminumproducts by extrusion. Without surface treatment, it forms a natural thin filmafter molding.
Features:
1. No surface treatment.
2. Aluminum alloy of any number all has themill finish form.
3. The surface has the natural anodizing film,the thickness is 3 ~ 4μm. It has the protective effect.
4. Mill finish can be temper or not. Itbased on the customers’ requirements.
5. It has the lowest price in aluminumprofile products.
Applications:
It can be used as non-exposed parts, suchas block and core of curtain wall profile. Some customers need the deepprocessing of products, deep processing should be processed after surface treatment.