Because PDCPD offers excellent corrosion and salt spray resistance, we have developed a DCPD direct spray coating technology in China by adjusting the curing time and temperature of DCPD. This technology can be widely used on containers and marine engineering components. PDCPD can be used to manufacture chemical plant exhaust fan casings, door and window frames, containers, offshore wind turbine blades, and marine engineering components, resulting in lighter weight and greater salt spray resistance.
- Material Introduction
PDCPD (Polydicyclopentadiene) is a thermosetting polymer material made from dicyclopentadiene (DCPD) through addition polymerization. Its unique three-dimensional cross-linked structure imparts excellent mechanical strength and environmental resistance, making it a leading high-performance engineering plastic. Compared to traditional thermoplastics, PDCPD performs better under harsh conditions such as high temperature, high pressure, corrosive media, and strong impact, making it an irreplaceable new structural material in many industrial fields.
PDCPD possesses the following remarkable material properties:
High impact toughness, far exceeding that of thermoplastics such as ABS and PP;
Excellent chemical stability, with strong resistance to corrosive media such as acids, alkalis, salts, and organic solvents;
Excellent thermal stability, with long-term operating temperatures of 90-120°C and short-term resistance to temperatures exceeding 150°C;
Extremely low water absorption, ensuring dimensional and performance stability even in humid or submerged environments;
Excellent dimensional stability and shape retention;
High strength and lightweight properties make it suitable for integrated molding of large structural parts or complex lining components. These properties make PDCPD an ideal material for building reliable fluid systems in industrial environments.
- Industry Applications
1. Container Manufacturing
With the development of global logistics, containers are not only used for land and sea transportation, but are also widely used in modular buildings and storage and transportation equipment. PDCPD, with its lightweight, high-strength, and corrosion-resistant properties, is used in:
Container shell spray coating: Improves overall salt spray and UV resistance, extending service life.
Structural panels: Replaces some steel plates, reducing weight and improving loading efficiency.
Door frames and sealing strips: Prevents structural loosening caused by corrosion.
The application of PDCPD spray coating technology solves the problem of traditional steel containers being susceptible to corrosion and cracking in ports and maritime transport, making it particularly suitable for demanding applications such as reefer containers and hazardous materials transport containers.
2. Marine Engineering Components
Components in marine environments face challenges such as salt spray, wind erosion, humidity, and mechanical impact. PDCPD is used in the following areas:
Platform component coating: Such as pipes, brackets, ladders, and hatches, effectively blocks salt and oxygen, preventing metal corrosion.
Float and buoy hulls: Lightweight design enhances buoyancy, and weather resistance extends service life. Underwater equipment casings, such as those for ROVs (remotely operated vehicles), provide a reliable protective layer.
3. Offshore wind turbine blades and structural components
Wind turbine blades must be high-strength, lightweight, and resistant to marine corrosion. PDCPD is used for:
Blade leading edge protective coatings: Improves resistance to rain erosion and impact, extending blade life.
Anti-corrosion coatings at tower connections: Prevents failure of connectors due to sea fog erosion.
Compared to traditional epoxy coatings, PDCPD spray coatings offer stronger adhesion and improved crack resistance, significantly reducing the frequency of corrosion repairs during wind turbine operation and maintenance.
4. Chemical plant equipment casings
Traditional plastics and metals are susceptible to corrosion or degradation in highly acidic, alkaline, and toxic gas environments. PDCPD is particularly suitable for the following applications:
Exhaust fan casings: Resistant to deformation and corrosion during long-term operation, improving the stability of chemical equipment.
Window frames and door panel structures: Short maintenance cycles, strong weather resistance, and reduced maintenance costs.
Corrosion-resistant ventilation ducts: Strong pressure-bearing capacity, low moisture absorption, and adaptable to temperature fluctuations.

