The "65" grade has a unique coefficient of thermal expansion. It expands at nearly the exact rate as the wax pattern, preventing the dreaded "fins" (thin metal flaps caused by mold cracking). Furthermore, it withstands the shock of centrifugal or vacuum casting without shattering.
: Many brands use Kittithada for logos and banners due to its professional and "workhorse" reliability. kittithada medium 65
| Problem | Likely Cause | Solution using Medium 65 | | :--- | :--- | :--- | | | Insufficient vacuum during mix. | Extend vacuum mixing to 90 seconds. | | Cracking during burnout | Ramp rate too fast (>10°C/min). | Slow the ramp between 200-400°C. | | Metal fails to fill fine details | Investment too cold at pour. | Cast at 600°C, not 450°C. | | Hard to remove investment | Over-fired beyond 750°C. | Reduce peak burnout temp to 730°C. | The "65" grade has a unique coefficient of thermal expansion
The term "Medium 65" refers to the 65 meditation methods and techniques that are central to the Kittithada tradition. These methods were compiled and codified by Phra Kittithada and his disciples, who sought to make Buddhist teachings more accessible and practical for laypeople. Over time, the Kittithada Medium 65 evolved into a distinct school of Thai Buddhism, influencing the spiritual lives of countless devotees. : Many brands use Kittithada for logos and