Technical Support Circuit
Frequently Asked Questions
How can I prevent iron contamination when crushing potassium feldspar or quartz?
The most effective method is replacing high-speed impact mills with a low-RPM Hydraulic Double Roller Crusher. Traditional hammer or impact crushers shatter rock through violent, high-velocity collisions, which wears down metal plates and sheds fine iron dust into your minerals, ruining their whiteness.
In contrast, our hydraulic double roller crusher operates at slow speeds and crushes materials using smooth, static hydraulic pressure. It gently squeezes the feldspar along its natural crystal fault lines. When paired with our specialized non-magnetic, high-alloy roller shells, frictional wear drops to near-zero, completely safeguarding the chemical purity and strict whiteness grades required for high-end ceramics and glass batches.






















