• 1.0
• NY N348791
• Sep 09, 2025

• Type: Classification • HTSUS: 6806.10.0020; 6806.10.0040; 6806.10.0090; 6806.90.0090; 6902.20.1010; 6914.90.8000; 9903.01.24; 9903.01.25; 9903.88.03
  

The tariff classification of three ceramic fiber products and two ceramic bricks from China.

• 1.0
• HQ 954877
• Dec 21, 1993

• Type: Classification • HTSUS: 7104.20.00
  

Protest No. 0401-92-100306; Sapphire crackle; Chapter 71Note 1(a)

• 1.0
• NY 850785
• Apr 11, 1990

• Type: Classification • HTSUS: 2818.20.0000
  

The tariff classification of alumina from Jamaica, Surinam,Australia, Brazil, Venezuela or India.

• 1.0
• HQ 960969
• Jun 15, 1998

• Type: Classification • HTSUS: 2818.10.20
  

Protest 1901-97-100014; brown fused alumina

• 1.0
• HQ H317151
• Jan 13, 2023

• Type: Classification • HTSUS: 2818.20.00
  

Application for Further Review of Protest No. 2809-20-107151; Classification of Aluminum Oxide Hollow Cylinder Rings

• 1.0
• NY N306328
• Oct 17, 2019

• Type: Classification • HTSUS: 2818.20.0000
  

The tariff classification of “Aluminum Oxide” from Japan

• 1.0
• NY N306197
• Oct 04, 2019

• Type: Classification • HTSUS: 2818.20.0000
  

The tariff classification of “Aluminum Oxide” from Japan

• 1.0
• NY N303225
• Mar 21, 2019

• Type: Classification • HTSUS: 2818.20.0000
  

The tariff classification of “Tabular Alumina” from Russia

• 1.0
• NY N306449
• Oct 18, 2019

• Type: Classification • HTSUS: 2818.20.0000; 2826.19.9000; 2846.90.8090; 8102.94.0000; 8105.20.6000; 9903.88.03
  

The tariff classification of Cobalt Pellets, Magnesium Fluoride Granules, Molybdenum Pellets, Yttrium Oxide Granules, and Aluminum Oxide Granules from China

• 1.0
• NY N306331
• Oct 15, 2019

• Type: Classification • HTSUS: 2818.20.0000
  

The tariff classification of “Aluminum Oxide” from Japan