OEM Polyisocyanurate Core Sandwich Panel Manufacturer

Leading Global Solutions for High-Performance Thermal Insulation & Cold Chain Infrastructure

The Pinnacle of Thermal Performance: Polyisocyanurate (PIR) Technology

A Comprehensive Industry White Paper on OEM Manufacturing and Global Implementation

As a leading OEM Polyisocyanurate Core Sandwich Panel Manufacturer, Shaanxi YuanShengHeTong Refrigeration Equipment Co., Ltd. understands that the modern construction and cold chain industries demand more than just insulation. Today’s landscape requires a synergy of thermal efficiency, structural integrity, and fire safety. Polyisocyanurate (PIR) has emerged as the gold standard, offering a superior alternative to traditional Polyurethane (PU) and mineral wool.

Our PIR core panels are engineered with a high-index polyisocyanurate foam, which provides exceptional resistance to heat flow. With a thermal conductivity (λ) as low as 0.019 W/m·K, our panels enable thinner building envelopes without sacrificing energy performance, directly contributing to LEED and BREEAM certifications for sustainable building projects worldwide.

27+Years Experience
60k+m² Factory Area
100%Quality Compliance
B1Fire Rating Grade

Global Industry Status & Future Trends

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Market Dominance in Green Building

The global PIR sandwich panel market is projected to grow at a CAGR of 6.5% through 2030. In Europe and North America, stringent energy codes are making PIR the mandatory choice for cold storage and industrial warehousing.

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Enhanced Fire Safety Standards

Unlike standard PUR, PIR panels form a protective char layer when exposed to fire, significantly slowing flame spread. This has led to a massive shift in insurance requirements favoring PIR core systems in commercial hubs.

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Sustainability & Circular Economy

The trend is moving towards "Circular Insulation." As a responsible manufacturer, we are integrating recycled polyols and focusing on panel designs that can be easily dismantled and repurposed at the end of a building's lifecycle.

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Digitalization (Industry 4.0)

Advanced manufacturing now involves real-time monitoring of foam density and cell structure. Our automated production lines ensure every millimeter of the core is consistent, eliminating thermal bridges.

Technical Roadmap & Innovation Strategy

Our R&D department is currently executing a five-year technical roadmap focused on the next generation of insulation materials. Key pillars include:

  • Low GWP Blowing Agents: Transitioning entirely to HFO-based blowing agents to achieve a Global Warming Potential (GWP) near zero.
  • Integrated Sensors: Developing "Smart Panels" with embedded temperature and moisture sensors for real-time monitoring of large-scale cold storage facilities.
  • Ultra-High PIR Index: Moving beyond standard 250-index foam to 300+ index systems that provide near-combustible resistance without the weight of mineral wool.

Shaanxi YuanShengHeTong is not just a supplier; we are an engineering partner providing macro industry solutions for the pharmaceutical, high-tech manufacturing, and logistics sectors.

About Shaanxi YuanShengHeTong Refrigeration

Shaanxi YuanShengHeTong Refrigeration 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.

Manufacturing Excellence & Development History

With about 180 workers and 10 QC team, the quality and efficiency are guaranteed of our products. 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.

1996

Founder started the business from refrigeration equipment marketing and installation.

2006

First factory completed in Shaanxi, produced our first cam-lock sandwich panels.

2011

Second factory in LanZhou completed, covering the north-west market in China.

2012

Relocated to 120 acers area with 8 advanced workshops for international business.

2018

Input our first automatic split-joint production line for high-precision panels.

2020

Second advanced automatic production line put on stream for higher productivity.

2023+

Transitioning into a fully eco-friendly factory with sustainable manufacturing goals.

International Certifications & Standards

Expert Insights: PIR Core Sandwich Panel Q&A

Q1: What is the main difference between PUR and PIR sandwich panels?

A: While both are polyurethanes, PIR (Polyisocyanurate) is produced using a higher ratio of isocyanurate, leading to a more cross-linked molecular structure. This results in significantly better fire resistance (Class B1 vs Class B2/B3) and slightly higher thermal insulation properties.

Q2: How do PIR panels contribute to LEED certification?

A: PIR panels contribute to LEED credits in categories such as Energy and Atmosphere (Optimizing Energy Performance) due to their superior R-values, and Materials and Resources (Life-Cycle Impact Reduction) if they use sustainable blowing agents and are recyclable.

Q3: Can these panels be used for cleanroom environments?

A: Yes. Our OEM PIR panels can be manufactured with specialized finishes like PVC-coated steel or Stainless Steel, which are resistant to chemical cleaning agents and do not harbor bacterial growth, making them ideal for pharmaceutical and food processing cleanrooms.

Q4: What is the expected lifespan of a PIR core panel in cold storage?

A: When properly installed, PIR panels maintain their structural and thermal integrity for 25 to 30+ years. The closed-cell nature of the foam (>95%) prevents water absorption, which is the primary cause of insulation failure in humid environments.