Custom Aluminum EPS Mold Tooling for ICF Blocks, Grape Packaging Boxes & EPS Shape Molding Machine Punching Dies

Specification

Our custom aluminum EPS foam mold is engineered for multi‑purpose production, covering insulating concrete form (ICF) blocks, protective packaging for grapes and other fresh produce, and punching dies integrated into EPS shape molding machines. The mold is fabricated from high‑grade aluminum alloy, selected for its rapid thermal response and resistance to steam corrosion, which together support consistent heating and cooling cycles. Cavities, venting slots, and fill ports are machined to match each specific part geometry, ensuring thorough bead expansion and clean pattern formation. For punching applications, the mold incorporates hardened steel cutting edges and stripper plates, enabling trimming or perforation of molded EPS components with crisp, burr‑free edges. Designed for quick changeover, this tooling is compatible with conventional EPS pre‑expanders and both vertical and horizontal molding presses.

We can make EPS mould for any EPS products like electrical products packaging, boxes, EPS pallets, construction panels, ICF etc.

Choosing the right EPS Foam Mould partner is crucial. We go beyond simply supplying a mold; we offer comprehensive support from initial design consultation and material selection guidance through mold commissioning and troubleshooting. Our commitment is to be your trusted partner, ensuring your EPS molding project achieves optimal quality, efficiency, and return on investment.

• Precision‑Machined Cavities for Consistent Dimensions
  Each cavity is cut to customer‑supplied CAD data, ensuring that all molded ICF blocks, packaging inserts, or punched shapes remain within tight geometric repeatability, reducing post‑process adjustments.
• Modular Split‑Block Design for Easy Handling
  The mold is assembled from separate cavity blocks and removable inserts, which simplifies mounting on the press and allows rapid disassembly for cleaning or geometry modifications.
• Corrosion‑Resistant Construction with Reinforced Wear Zones
  The aluminum body is treated to withstand prolonged steam exposure, while high‑stress areas are fitted with hardened steel inserts, minimising maintenance frequency and extending productive life.
• Smooth Surface Finish for Clean Pattern Release
  Polished cavity surfaces reduce bead adhesion and produce EPS components with a fine external finish, cutting down on secondary sanding or coating operations.
• Rugged Steel‑Reinforced Frame for Demanding Operations
  The mold base is stiffened with steel support plates and heavy‑duty guide pins, maintaining alignment under clamping pressure and ensuring stable performance in punching and forming cycles.

• Insulating Concrete Form (ICF) Blocks – Producing EPS inserts that serve as permanent formwork for poured concrete walls, providing thermal insulation and structural backing in residential and commercial construction.

• Fruit and Produce Packaging – Molding custom EPS trays, cups, and clamshell boxes for grapes, berries, and other delicate fruits, designed to cushion produce during storage and transportation.

• Punching and Perforating EPS Shapes – Using the mold as a cutting die to trim excess material or create ventilation holes in EPS components directly on the shaping machine.

• Industrial Protective Packaging – Manufacturing foam cushions, corner guards, and fitting blocks for heavy machinery, electronic equipment, and medical devices.

• Building Insulation Panels – Forming shaped EPS boards for under‑floor heating systems, roof insulation, and cavity wall filling in energy‑efficient buildings.

1. High Precision Processing Machine - Make Tolerance ≤ 5um. Positional Accuracy can be controlled within ± 2um for some workpieces
2. High quality - Passed the ISO9001:2008 quality system authentication and ROHS authentication
3. Superb workmanship - Get more than 20 Certificates

Flexible Shipping Options: We understand that every customer has unique needs. That's why we offer flexible shipping options, including air freight, sea freight, and expedited delivery services. Our team will work with you to determine the most cost-effective and efficient shipping method based on your timeline and budget.

• Geometry‑Driven Engineering Support – We review your part models early and offer practical recommendations on draft angles, vent placement, and parting line location to improve moldability and reduce trial runs.
• Full Material Traceability – Aluminum alloys and tool steels are sourced from certified mills, and we provide material test reports upon request for complete quality transparency.
• In‑House Manufacturing and Assembly – All design, CNC machining, fitting, and pressure testing are performed within our facility, ensuring direct communication and swift response to modifications.
• Sample Validation Service – We run trial cycles using your specified EPS bead grade and supply molded samples with dimensional inspection reports for your approval before mold dispatch.
• Complete Technical Documentation – Each tool is delivered with assembly drawings, steam and cooling circuit diagrams, spare parts checklists, and a clear maintenance guide.

Luoyang Liushi Mould Co., Ltd was established on 2001, which is National Standard Setting Unit for Lost Foam Casting Mould. The company is located in the Millennium Emperor, peony flower city of Luoyang City. We have 9800 office building, and 22000 workshop, which is well equipped with research, development, design, foundry, machining, assembly, surface treatment and other equipment. It's a Luoyang municipal R&D center and technology center.

Company technicians can provide on-site guide mould assembly, test production, free repair and complete technology for lost foam casting process according to customer demands. With the business philosophy of "careful design, lean manufacture, best service, perfect quality", we strive to provide satisfactory products and services for customers. After years of development, our company has become the preferred mould suppliers of many lost foam casting manufacturers and the exclusive supplier.