Czochralski Crystal Puller Heater Element from Mexico
A graphite or molybdenum heater element used in Czochralski crystal growers to melt polysilicon for producing monocrystalline semiconductor boules. It falls under HTS 8486.90.00.00 as a part of semiconductor boule manufacturing equipment specified in the statistical note for crystal growers and pullers.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Verify compatibility with specific crystal grower models from manufacturers like Kayex or PVA; ensure material certificates for high-purity graphite/molybdenum; common pitfall is misclassification as general heating elements under 8516