When sourcing acrylic sliding doors, the material thickness is the most critical factor; for structural integrity, panels should be at least 5mm to 10mm thick. Ensure the use of cast acrylic rather than extruded acrylic for superior optical clarity and better resistance to crazing. Additionally, verify the UV-stabilization properties to prevent yellowing if the doors are exposed to sunlight, and confirm that the sliding track system uses stainless steel or heavy-duty aluminum with nylon-coated ball bearing rollers for silent, smooth operation.