Sandwich panel machine
The BN 500 PU/PIR/Rockwool Continuous Sandwich Panel Production Line is an all – in – one multifunctional equipment set. It is engineered to execute a series of processes such as decoiling, film cutting, conveying rock wool or glue, preheating, foaming, heating, cutting, air cooling, stacking, and packing.

This production line is applied to manufacture sandwich panels. These panels find wide applications in industrial buildings, wall decoration, livestock farming, cold storage facilities, and other fields.
Specification: sandwich panel line
Production speed range (m/min): 3 – 7, with adjustable settings
Effective length of double – belt conveyor: 16000 – 40000mm, providing flexibility in production
Pouring foam work pressure: 150 – 200 Bar, ensuring proper foam application
Total power consumption: Approximately 200kw, indicating energy requirements
Overall dimensions (L*W*H): (100 – 200)m × (16 – 30)m × 6m, giving a clear idea of the equipment’s size
Suitable raw material
Type: Color Steel Sheet, Stainless Steel Sheet, Aluminum Sheet
Available thickness range: 0.4 – 0.8 mm for Steel Sheet, 0.35 – 0.6 mm for Stainless Steel Sheet
Maximum width: 1250mm
Maximum weight options: 6T or 10T
Available core materials: PU, PIR, Rockwool, Glass Cotton
The general specification of PU panel
Panel Length: Ranging from 2000mm to 18000mm
Panel Width (mm): Varying between 600mm and 1200mm
Panel Thickness(mm): 30 – 200mm, and 250mm for Cold Storage Panel
Machine components
Roll forming system
A double – headed roll forming machine is available for the upper layer profiles. The width of this roll forming machine is adjustable. Its forming system consists of double – sided, independent sets of rolling shafts, and the frame can be adjusted within a specific range.
Rockwool system
The rock wool system encompasses a rock wool lifting device, a rock wool slitting device, a rock wool turning device, an upper and lower foam spraying system, a two – components side sealing foaming machine, a dust collecting device, and a conveyor, among others.

Pre-heating system
The continuous sandwich panel production line is equipped with a hot air circulating heating furnace. This furnace plays a crucial role in keeping the temperature for polyurethane foaming and curing at an appropriate level. Thanks to this, the produced sandwich panels achieve a high standard of quality.

The panels manufactured by our Polyurethane Sandwich Panel Line possess multiple excellent properties. They are highly effective in heat preservation and insulation, capable of reducing heat transfer significantly. Additionally, they offer remarkable sound insulation, effectively blocking out external noises. These panels also have strong fire retardance, enhancing safety in various applications. Moreover, their water resistance ensures durability even in humid environments. With this machine, you can produce panels that not only look aesthetically pleasing but also are highly practical, meeting diverse needs for different projects.
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