
This production line is designed for manufacturing various types of PVC sheets, including PVC free foam sheets, PVC rigid sheets, PVC flexible sheets, and transparent sheets.
The entire system features a compact structure, outstanding performance, and offers multi-purpose operation with high efficiency, stability, and durability.
The equipment mainly consists of a conical twin-screw extruder, mould, three-roller calender, cooling bracket, haul-off unit, cutting machine, and stacking device.
The screws, barrels, and moulds are independently designed by the company and precisely manufactured using high-performance materials to ensure uniform plasticization, stable extrusion, high output, and long service life.
500/1000 Mixer → Auto Loader → SJSZ80/156 Conical Twin Screw Extruder → Mould → Three-Roller Calender → Cooling Bracket → Haul-off Machine → Cutter
One Line, Multiple Applications
Superior Extrusion Stability
High-Quality Surface Finish
Fireproof & Moisture-Resistant
Easy Processing
Eco-Friendly & Recyclable

The PVC foam board produced by Rainbow’s extrusion line features light weight, waterproof properties, and excellent durability.
It offers the strength of plastic and the workability of wood, making it an ideal replacement for timber, aluminum, or steel panels in a wide range of applications.
Used for wall panels, ceilings, partitions, decorative trims, and formwork boards in various construction projects.
Ideal for bathroom cabinets, kitchen panels, wardrobes, and furniture boards.
Excellent for signboards, printing boards, exhibition panels, and photo album covers.
Applied in vehicle interiors, ship decks, cold storage facilities, and corrosion-resistant structures.
Including sports equipment, waterproof structures, aquaculture panels, and creative materials.

Independent screw and die design ensures uniform melt flow and excellent surface finish.
Intelligent temperature control system maintains stable extrusion pressure and quality consistency.
Optimized mechanical layout for energy savings and easy maintenance.
Complete technical support including material formulation, operation training, and production optimization.
The Rainbow PVC Sheet Extrusion Line delivers a comprehensive, reliable, and sustainable solution for producing high-quality PVC sheets.Its excellent stability, versatility, and performance make it the preferred choice for manufacturers in construction, decoration, furniture, advertising, and industrial fields.

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