SEK produce custom bare Al-frames of various sizes. The frames have the following features: smooth appearance, free deformation, durable in use, and hardly damage after repeated use. Argon arc welding technique is used in welding. The external diameter error is controlled within ±0.5mm, and the flatness error is controlled within 0.1mm. All above can be proved by the testing report enclosed in the products.

Typical Specifications of the Raw Material Profiles for SMT Aluminium Frames:

The merits of Al-Tubular: light weight, strong endurance, high chemical resistance, and easy to clean. Reaching the international quality standard, the SEK Al-tubular has obtained the ROHS certificate authorized by SGS. The material is specially used in screen printing. Custom sizes are available.