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English 
The heat insulating strip is the core component of the inserting-strip heat-insulating profiles, and it is also the structural connector of the aluminum profiles on both sides of the heat insulating profiles.
The thermal expansion coefficient of thermal expansion is similar to that of the aluminum profile (2.5-3*10-5/K), which ensures the thermal insulation strips and aluminum materials will be tightly combined for a long time not to fall off under sunlight exposure and freezing conditions.
It is our honor that DIMEX upvc window & door profiles have been certified with CE. The certificate number is M.2022.206.C71523. The inspection is very strict and the products must comply with the relevant EU requirements.
DIMEX has been committed to improving the energy saving K value and safety performance of building doors and windows in order to meet the ever-changing needs of the high-quality profiles’ market. In this context, DIMEX and ROTO have established a comprehensive strategic partnership to jointly develo
