50mm exterior thermal rockwool wall sandwich panel
It's one classic sandwich panel type in steel structure industry.A1 level fireproof performance.MOQ:500M²/Color & Size
product orgin:
Chinashipping port:
Xiamen/Qingdaopayment:
T/T;L/C at sightcolor:
CustomizedProduct introduction
What is Sandwich Corner Panel with 90 Degree?
Sandwich Corner Panel with 90 Degree refers to a specialized type of insulated panel used in construction, designed to form a 90-degree corner in buildings where two walls meet. These panels are commonly used in prefabricated structures, cold storage facilities, cleanrooms, and industrial buildings due to their thermal efficiency and structural integrity.
Optional core materials:
PU(PIR)+Rock Wool; PU(PIR)+Glass Wool; PU(PIR)
Product advantages
☆ Excellent Thermal Efficiency
The high-density PU/PIR core in 90-degree insulated sandwich panels minimizes heat transfer, ensuring optimal temperature control for cold storage energy savings.
☆ Strong & Long-Lasting
Reinforced steel or aluminum facings with a rigid foam core provide superior durability, ideal for industrial cold rooms and heavy-duty use.
☆ Quick Seamless Installation
Prefab corner panels with tight 90-degree joints reduce assembly time, labor costs, and thermal bridging in walk-in freezers.
☆ Hygienic & Moisture Proof
Non-absorbent surfaces resist mold and condensation, meeting strict food-grade and pharmaceutical cold storage standards.
Product specifications
Panel type |
Corner sandwich panels |
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Effective width |
300-2000mm |
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Panel thickness |
30/40/50/75/80/100/150mm |
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Coating type |
PE, SMP, HDP, PVDF |
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Steel sheet (GI/PPGI/PPGL) |
0.40-0.75mm |
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Aluminum metal sheets |
0.60-1.20 mm |
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Surface sheets |
Steel sheet (GI/PPGI/PPGL): 0.40-0.75 mm |
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Aluminum metal sheets:0.60-1.20 mm |
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Aluminum foils:0.065 mm |
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PVC sheets |
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Core material |
PIR/PU |
Rockwool with PU edges |
Glass wool with PU edges |
Core density |
35-45 kg/m3 |
110-150 kg/m3 |
48-64 kg/m3 |
Thermal conductivity |
≤0.023 w/m· k |
0.035-0.041 w/m·k |
0.037-0.043 w/m·k |
Product applications
90 degree insulated sandwich corner panels provide seamless thermal protection. These prefabricated panels create airtight 90° corners in walk-in coolers, pharmaceutical storage, and logistics warehouses, ensuring energy efficiency and structural integrity for temperature-controlled environments.They are ideal for cold rooms, industrial freezers, and food storage facilities.
Packing & Delivery
☆ Packing
·Seaworthy packing standards:
PVC on both sides to protect the roof panel surfaces;
Packed with kraft paper to protect the panel ends;
Put EPS foam on the each space to keep the panels from squeezing each other.
If you have special requirement,please feel free to discuss with us.This is to make us improved,and protect your goods well.
☆ Delivery
Delivery time for regular colors,coating types and thickness: 7-10 days ;
Delivery time for special colors,coating types and thickness: 15-25 days ;
Delivery term: FOB/CIF/CFR/DDP is available;
We can find good forwarder for customer or accept appointed forwarder from customers.
Service&Support
☆Service
Xiamen Yumin Xincailiaokeji Co., Ltd. is one combination of industry and trade company, and very professional with steel structure products in China. We are proud of our product quality and customer service and competitive price.And our products are sold worldwide, such as America, South America, Europe, Southeast Asia, Africa etc.
1)Professional sales team,One-to-one service;
2)Combination of industry and trade company,to ensure the service and price;
3)Experienced engineer team to offer professional technology service;
4)Intimate after-sales service.
☆Support
Experienced technology suport, competitive price, professional service, we are here to help you go on with your project smoothly.