Chart Paper is an essential recording consumable used to document critical data during Post-Weld Heat Treatment (PWHT) and pressure testing. These high-quality, thermal or ink-based papers provide a permanent, physical record of temperature cycles, ensuring that your heating processes meet strict engineering specifications and regulatory codes. This category features a variety of formats, including Circular Charts and Strip Charts, designed for compatibility with industry-standard temperature recorders. Whether you are tracking a 24-hour soak or a rapid cooling cycle, our chart paper offers the precision and clarity required for auditable quality control and long-term project documentation.