This standard is equivalent to adopting the international standard ISO7801: 1984 "Test Method for Repeated Bending of Metallic Wire Materials". From the date of implementation, it replaces GB / T238-1984 "Test Method for Repeated Bending of Metal Wires". This revision of this standard cancels the provisions on the sampling location, length of the sample, hardness and smoothness of the curved cylinder and clamping surface, and the content of the criterion for terminating the test.
Basswood shutter Components are made of high-quality basswood material with excellent durability and stability. Its structural design is exquisite, including louvers, connecting rods, drawstrings and other components, which can effectively adjust indoor light and ventilation. The surface of the shutter parts has been finely polished and painted, making it smooth and delicate, with a natural color. It is easy to install and operate. The opening and closing angle of the louver can be freely adjusted according to actual needs to achieve personalized light control. Basswood shutter components not only have a beautiful appearance, but also have good heat and sound insulation effects. They are a high-quality window decoration product suitable for various places such as homes and offices.
1. shutters blade: It is the main component of the blind, used to adjust the angle of sunlight and control the brightness of indoor light.
2. shutters track: supports the blind blades so that they can open, close and rotate smoothly.
3. shutters controller: used to manually or electrically control the opening, closing and rotation angle of the shutters.
4. Louver blades: connected to the shutters blades to increase the sealing and sound insulation effect of the shutters
5. Shutter frame: supports the entire shutter structure to ensure its stability and durability.
6. shutters fixings: Used to fix the position of the shutters to prevent them from being damaged or moved in wind and rain.
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