Promarks’ HDCH Heavy Duty Constant Heat Sealer is an ideal for laboratory testing of thermoplastic and laminated materials. Each unit is available with a bar sealer, heat platen or machined tooling for contour shapes. Standard features include pressure regulator and gauge, a variable timer, digital temperature control and a low-pressure safety descent. All construction is heavy duty for high-pressure sealing applications. Powder coat finish makes the HDCH clean room compatible. 110 or 220 Volt is available.