GB/T 21526-2025 is a key guideline for the application of structural Adhesives, focusing on the surface preparation of metals and plastics before bonding. The standard clarifies the requirements, methods and related specifications of the surface preparation of the two types of materials, which are applicable to the surface preparation process before bonding. It provides a technical basis for unifying industry treatment standards, ensuring bonding strength and durability, and improving the Reliability of structural Adhesives.
| Status | Incoming |
|---|---|
| CCS | G38 | ICS | 83.180 |
| Release Date | 2025-08-29 00:00:00 | Implementation Date | 2026-03-01 00:00:00 |