FRP Pipe Mold(DN300-4500mm)
FRP pipe mold is ideal for producing large-diameter FRP/GRP pipes, offering exceptional corrosion resistance and long-lasting performance in harsh chemical environments. Made from fiberglass reinforced plastic (FRP), it ensures a smooth inner surface that facilitates easy demolding and produces high-quality pipes.
Product Introduction
The FRP Pipe Mold is made of high-strength fiber-reinforced plastic material, specially designed for the production of large-diameter FRP/GRP pipes ranging from DN300 to DN4500mm. It features excellent durability, corrosion resistance, and thermal stability, making it ideal for continuous production under high-temperature and harsh chemical environments. Its lightweight structure allows for easy handling, reduced maintenance, and longer service life compared to traditional metal molds.

Product Specification
- Diameter range: DN300–4500mm
- Lightweight design simplifies transportation and installation
- High corrosion resistance, perfect for use in chemical production, especially in acid/alkali environments
- Smooth inner surface enhances demolding and improves pipe quality
- Custom sizes available to suit specific production needs
- Lower maintenance cost with reduced upkeep compared to metal molds
- Durability designed to withstand corrosive environments and support large-diameter FRP/GRP pipe production
Product Details

Finished Products




Hengshui Jiubo Composites Co., Ltd. is a leading manufacturer of chemical equipment and fiberglass composite products. We specialize in turnkey solutions for potassium sulfate, sodium sulfate, sulfuric acid, and calcium chloride production lines, as well as FRP pipes, tanks, cooling towers, molded & pultruded products, and complete FRP production machinery.
Beyond manufacturing, we offer material selection, structural design, technical consultation, material supply, transportation, and installation supervision to support our customers’ needs. Now we have 300 employees, with an annual production capacity of 20,000 tons of fiberglass-reinforced plastic products.
With ISO9001, ISO14001, ISO45001, and SGS certifications, we ensure high-quality standards. Our products are exported worldwide, including the U.S., Canada, Australia, Brazil, Japan, Germany, Russia, India, and Egypt, earning global customer trust.
Our Products & Services:
- EPC Solutions: Complete chemical production lines for potassium sulfate, sulfuric acid, etc.
- FRP Production Lines: FRP pipe & tank winding, pultrusion, and grating production lines.
- Fiberglass Products: FRP pipes, tanks, towers, electrolytic cells, cooling towers, and anti-corrosion solutions.
Through robust manufacturing, technological innovation, and comprehensive support, we deliver quality solutions globally and strive for enduring industry partnerships.









