• 1.0
• NY a85371
• Aug 01, 1996

• Type: Classification • HTSUS: 2827.33.0000; 2833.40.6000; 3707.10.0090; 3707.90.3290
  

The tariff classification of 410-215g Peroxyl Sulphate and 410-1kg Peroxyl Sulphate; 415-500ml Iron Chloride, 415-1L Iron Chloride, 415-4L Iron Chloride and 415-22L Iron Chloride; 416-50ml Sensitizing Emulsion, 416-100ml Sensitizing Emulsion and 416-15g Sensitizing Emulsion; 418-500ml Photographic Chemical from Canada

• 1.0
• HQ 085914
• Jan 29, 1990

• Type: Classification • HTSUS: 3707.90.30
  

Photoresists

• 1.0
• HQ 087315
• Sep 10, 1991

• Type: Classification • HTSUS: 3707.90.30
   Related:   085914   

Reconsideration of Headquarters Ruling Letter (HRL) 085914; photoresist; resist; emulsion; solution; solvent; photographic; photosensitive

• 1.0
• HQ W967818
• Sep 26, 2006

• Type: Classification • HTSUS: 3707.90.3290
   Related:   A85371; 962688; 950301; I87349; 087315; 085914   

Internal Advice Request No. 06/023; Classification of positive and negative photoresists