Rubber suction cups and metal bond damage are divided into four types. R: The surface of the rubber suction cup is broken. RC: Destruction between HNBR rubber material and adhesive. CP: cohesive failure of the adhesive (or damage between the topcoat adhesive and the primer adhesive). M: Destruction between the adhesive and the metal. If …
The nylon cord has high heat shrinkage. In order to ensure the dimensional stability of the cord, it is necessary to perform heat stretching treatment before rolling, and a certain tension is applied to the cord during the rolling process to prevent heat shrinkage deformation. Although the dimensional stability of the polyester cord is much …
The dipping process of the cotton cord includes the steps of guiding, dipping, extruding, drying and winding of the cord. After the curtain is opened, it is adjusted by the joint and the storage cloth and then enters the dipping liquid. When the dipping liquid is left after contact for a certain period of time, …
First, resolve the resorcinol with a small amount of water, and then dilute to the specified concentration with water. Then, formaldehyde is added and a sodium hydroxide solution is added under slow stirring to control the pH between 8 and 10, which is the phenolic resin mother liquor. Thereafter, the phenolic mother liquor and the …
The fiber textile is subjected to dipping treatment before calendering. The fabric is passed through a special latex impregnating solution, and after a certain period of contact, the glue penetrates into the structure and adheres to the textile fabric, thereby reducing the dynamic fatigue property of the textile and the bonding strength with the rubber …