using oil and activator to reclaim burnt petrobond molding sand and keep it in good working order. Plus how I fixed my sand muller when the oil bonded sand polished the wear plate so smooth that the sand would slide instead of getting rolled over.
- 2 жыл бұрын
Petrobond maintenance and a sand muller improvement
- Рет қаралды 604
Пікірлер: 9