Professional hollow grid plate making machine for producing high-quality plastic sheets with precision engineering and advanced control systems.

• Sheet Width: 320-3000mm
• Sheet Thickness: 0.2-2mm
• Production Capacity: 150-450kg/hr
• Mono-layer and multi-layer sheet extrusion system (up to 5 layers)
• Material Compatibility: PE, PP, PS, PC, PMMA and other thermoplastics

• Single/Two/Three layer production capability
• Special extruder screw design with efficient mixing and high plasticizing capacity
• 38CrMoA1A barrel and screw material with 740HV nitride hardness
• Coat-hanger die with double throttling design for precise sheet thickness
• Temperature control precision within ±1°C
• Three-roll calender with horizontal, vertical or tilted arrangement
• Motorized gap adjustment for quick product changes
• Precision manufactured rollers with hardened mirror-finished surfaces
• Independent roller temperature control for uniform sheet thickness
• High-quality torque motor winder with adjustable speed and tension
• Automatic meter counter for precise sheet length setting

PP hollow grid boards are processed into turnover cases, packaging cases, clapboards, lining boards, backing boards, and pallets. Widely used in electronics, household appliances, packaging, machinery, postal services, food, medicine, pesticide, and advertising decoration industries.

• Produces lightweight, high-strength hollow grid boards
• Damp-proof and corrosion-resistant properties
• Environmentally friendly with secondary processing capability
• Replaces traditional paper packaging with superior durability
• Suitable for construction, decoration, packaging, and advertising applications