3923109010
- Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics
- Boxes, cases, crates and similar articles
- Other
- Photomask or wafer compacts: - consisting of antistatic materials or blended thermoplastics proving special electrostatic discharge (ESD) and outgassing properties, - having non porous, abrasion resistant or impact resistant surface properties, - fitted with a specially designed retainer system that protects the photomask or wafers from surface or cosmetic damage and - with or without a gasket seal, of a kind used in the photolithography or other semiconductor production to house photomasks or wafers