Explore our premium selection of cold storage hardware, insulated panels, and refrigeration components manufactured under stringent ISO quality controls.
In modern building envelope design, high performance refrigeration, and industrial cleanrooms, the 50mm composite panel represents a highly engineered equilibrium between structural integrity, insulation efficiency, and space optimization. Often utilized in partition walls, ceiling structures, and medium-temperature envelopes (0°C to +15°C), these panels are developed using precise mechanical engineering methods.
With a core density of 40–42 kg/m³, 50mm PUR/PIR panels deliver an outstanding thermal conductivity rate (λ value) as low as 0.022 W/m·K. This translates into high energy conservation for conditioned workspaces, agricultural grow rooms, and medium-temp commercial refrigeration.
Leveraging polyisocyanurate (PIR) cores, these 50mm composite systems achieve B1/B2 flame-retardant classifications under European standards (EN 13501-1). Upon contact with fire, the PIR material generates a carbonaceous layer that prevents oxygen ingress and delays structural combustion.
Due to the composite action between high-tensile metal outer skins (galvanized steel or aluminum) and the rigid foam core, these panels support impressive spanning capabilities (up to 3.5m under normal load conditions), reducing the demand for structural framing.
Procuring 50mm composite panels directly from China offers significant structural, cost, and logistics advantages for international projects. OEM suppliers in Shaanxi and other manufacturing hubs integrate high-tech chemistry with scaled production to meet strict global specifications.
Continuous double-belt laminators ensure precise thickness control (±0.5mm tolerance), uniform foam distribution, and bubble-free bonding between metal and core.
Direct sourcing from major petrochemical hubs for isocyanates and polyols, alongside local steel mills, keeps input costs low while maintaining material reliability.
OEM design flexibility accommodates custom dimensions, color-coded steel options, specific core densities, and integrated cam-lock configurations.
Protective polyethylene films, tight bundle clamping, and customized wood-pallet arrangements prevent abrasion during complex maritime transit.
Below are the standard engineering benchmarks for 50mm Polyurethane (PUR) and Polyisocyanurate (PIR) core composite panels manufactured under standard OEM conditions.
| Performance Parameters | Polyurethane (PUR) Core | Polyisocyanurate (PIR) Core | Testing Methods / Standards |
|---|---|---|---|
| Nominal Core Density | 40 - 42 kg/m³ | 42 - 45 kg/m³ | ASTM D1622 / EN 1602 |
| Thermal Conductivity (λ) at 10°C | 0.022 W/m·K | 0.020 W/m·K | ASTM C518 / EN 12667 |
| Fire Classification | Class B2 (Flame Retardant) | Class B1 (Self-extinguishing) | GB8624 / EN 13501-1 |
| Compressive Strength (10% deformation) | ≥ 140 kPa | ≥ 160 kPa | ASTM D1621 / EN 826 |
| Closed Cell Content | ≥ 95% | ≥ 97% | ASTM D2856 |
| Skin Thickness (PPGI Steel) | 0.4 mm - 0.8 mm | 0.4 mm - 0.8 mm | EN 10143 |
| Effective Width Options | 950 mm / 1000 mm / 1120 mm | 950 mm / 1000 mm / 1120 mm | Factory Standard |
Shaanxi YuanShengHeTong Refrigeration Equipment Co., Ltd. is a professional factory and enterprise focusing on insulation panels and refrigeration equipment. Besides product manufacture, we also provide services like project design, construction, installation, as well as after-sales service.
We integrate "high quality products, one-stop project solution, engineering advanced services, and international trade" to provide customers with excellent products and satisfied services. Our involved professional fields include refrigeration of fruits, vegetables, food industry; also refrigeration of large supermarkets, restaurants, hotels, medical and logistics companies etc. Our business in refrigeration fields started in 1996, with more than 20 years experience in refrigeration industry, we are confident in our professionality. And our factory is specializing in refrigeration manufacturing and technology.
From a small mechanical installation team to an advanced developer of continuous sandwich panels, explore our technological timeline.
Our founder started the business from refrigeration equipment marketing and installation.
With our first factory completed in Shaanxi, we produced our first cam-lock sandwich panels.
The second factory in LanZhou completed, our business started to cover the whole north-west market in China.
Follow with larger business and international business, the Shaanxi factory relocated to a larger fields, now we possess with 120 acers area with 8 advanced workshops.
With more advanced technology in insulation panel industry, we input our first automatic split-joint production line. Here the new chapter begins.
Our second advanced automatic production line put on stream, we reach to a higher productivity and efficiency with better quality.
With the responsibility of sustainability, we are now moving into a eco-friendly factory.
With about 180 workers and 10 QC team, the quality and efficiency are guaranteed of our products. And we are always aiming for higher quality products and better service. Now, the factory has an existing production site of 60,000 square meters, 4 standardized workshops, high quality and efficient production equipment, as well as advanced production lines and techniques. Our factory mainly produces PIR(Polyisocyanurate) and PU(Polyurethane) sandwich panels, cold storage doors, air coolers, condensers, condensing units, compressor units etc.
Our manufacturing facility and products undergo rigorous international compliance checks, securing CE certifications, ISO 9001 quality audits, and environmental management standardizations to ensure global trade compatibility.
Our 50mm composite panels are designed for structural durability, ease of maintenance, and high thermal resistance, making them suitable for a variety of industrial environments:
Microelectronics and pharmaceutical environments demand flush joints and non-particle-shedding surfaces. Our 50mm flat profile panels minimize airborne dust accumulation, support HEPA integration, and withstand rigorous sterilization washdowns.
Ideal for storing fresh fruit, agricultural produce, and dairy products. 50mm insulated metal panels maintain precise temperatures (+2°C to +8°C) while preventing the ingress of atmospheric humidity.
Designed with integrated cam-locks for quick structural assembly. These lightweight panels are easily flat-packed, transported, and configured into mobile medical labs, command structures, and temporary shelters.
Our engineers address the technical, logistics, and quality assurance questions frequently raised by global procurement departments.
Complete your thermal enclosure project with our high-durability cold storage doors, condensers, and air cooling units, engineered for compatibility with our 50mm sandwich panel systems.
YuanShengHeTong
