• 1.0
• HQ H256546
• Sep 21, 2016

• Type: Classification • HTSUS: 7020.00.60
   Related:   N028802   

Internal Advice; Classification of fireglass

• 1.0
• HQ H233584
• Aug 13, 2014

• Type: Classification • HTSUS: 7001.00.20
   Related:   086734; A80667; J81797; H086736   

Application for Further Review of Protest No. 2704-12-102632; E6 Glass Chunks; 7001.00.20, HTSUS

• 1.0
• HQ 086734
• May 02, 1990

• Type: Classification • HTSUS: 7001.00.20
  

Astrosital Glass ceramic ingots