Generally, there are no national standards for label paper used for self-adhesive labels.
At present, the standard for self-adhesive materials is environmental protection requirements. Nowadays, we basically test whether the heavy metals contained in self-adhesive materials exceed the EU's highest standards, which is EU 8 or Sixteen items. There are six or seven testing institutions, and the three that are widely recognized are: SGS CTI and SONY. These testing institutions can be found online.
There is no national standard, but currently the association Currently, consideration is being given to raising existing industry standards to national standards.
Consider adding two difficult testing items, mainly because the current industry standards are too low. The current industry standards: HG/T 2406-2002 Pressure-sensitive adhesive label paper, drafted by Shanghai Huazhou.