Horizontal contact shock freezing technology for blood plasma, biological and pharmaceutical preparations. Safety of law and compliance with directives for the preparation of blood plasma storage at a core temperature of < -30°C. Operating temperature: -50°C (preset & recommended) reached within 30 min. Freeze time at core temperature of -30°C for plasma bags of 500 ml (450 ml content): 12 units 40 min. Utility model registered DE 203 03 339.5 Patent pending PCT/EP2004/001634 Clean room classified