Polaris Electronics Products Following is a list of current Polaris Electronics Products. Click on the links for full details. Projection Welders Parallel Seam Sealers Spot Welder Gap Welder Lid Tacker Optional Equipment Search for: Our Products: • Projection Welders • Seam Sealers • Spot/Gap Welders • Lid Tackers • Atmosphere Chambers • Vacuum Bake-Out Ovens • Accessory Items • Hermetic Sealing Services