Manual Clamshell Sealers Perfect for sealing almost any clamshell PVC, OPS, PSP, EPS. For low volume production. ...More POINT-V Ultrasonic Clamshell Welder /Sealer Fast and clean sealing, very versatile can seal almost any plastic, PVC, PET, OPS, HIPS etc. For low volume production. ...More Automatic Rotary Sealers for Plastic-Plastic Heat Sealing PHS Series (Also for Blister to Card Heat Sealing)...More Call us for used or new RF Sealers, Constant Heat Sealers, Ultrasonic  Welder /Sealer Sealers for almost any budget 817-461-9555 Clamshells Slide Blisters  Check out are large assortment of stock sizes. We can Custom Thermoform almost anything.