# Brady: B-438 technical data sheet

> Sheet dated 10/05/2022; product-specific checkerboard tamper-function limitation and stated R4300/aluminum sample construction. Not a universal material or service-temperature rule.

Canonical page: https://datacenterlabeling.com/references/s39

Original source: [Brady: B-438 technical data sheet](https://tds.bradyid.com/TDSdocs/B-438.pdf)

## Scope of this source

Sheet dated 10/05/2022; product-specific checkerboard tamper-function limitation and stated R4300/aluminum sample construction. Not a universal material or service-temperature rule.

The cited data sheet describes a particular material and its tamper-indicating function under specified conditions. Its limits are not a universal rule for tamper-evident labels.

Rackstamp provides editorial field guidance. IDs, cases, and worksheet entries are fictional examples unless identified otherwise. Distinguish local conventions from adopted standards. Source notes describe the evidence scope; a linked overview is not the full standard or a project approval.

## Related guidance

- [Labels peel, fade, or fail in service](https://datacenterlabeling.com/problems/label-material-failure)