5 Year Warranty Global Running Partner In PU Vertical Filed
5 Year Warranty Global Running Partner In PU Vertical Filed
Resin molds are custom-shaped tooling made from high-strength casting resins, widely used for low-pressure molding, prototyping, and small to medium-volume production. These molds are lightweight, cost-effective, and easy to fabricate, making them ideal for short-run polyurethane (PU) foam products and elastomer casting.
Compared to metal molds, resin molds offer faster turnaround, reduced tooling costs, and sufficient mechanical strength for moderate production use. They can accurately reproduce complex geometries, surface textures, and fine details, making them a practical solution for applications that do not require long-term mold durability.
Property | Unit | Typical Value | Remarks |
Base Material | – | Polyurethane Resin / Epoxy Resin | Often filled with silica, fiberglass, or metal mesh |
Shore Hardness | Shore D | 65–85 | Adjustable based on required flexibility |
Tensile Strength | MPa | 25–45 | Sufficient for low-pressure PU foam casting |
Flexural Strength | MPa | 40–80 | Supports large or long molds |
Thermal Resistance | °C | 80–120 | Depending on formulation and reinforcement |
Demolding Cycles | shots | 100–3,000 | Varies by PU type, care, and coating |
Surface Finish Accuracy | µm | ≤ 10 | Excellent for replicating textures and patterns |
Typical Mold Size | mm | Up to 3000 × 1000 × 500 | Customizable for large cultural stone panels |
Reinforcement Options | – | Fiberglass mesh, metal rods, carbon fiber | For structural integrity in large molds |
Compatible Materials | – | PU Foam, Concrete, Plaster, Gypsum | Mold coating may vary for each material |
Typical Curing Time (PU) | minutes | 10–30 | Depends on foam formulation |
Weight (per mold) | kg | 5–40 | Lightweight compared to aluminum or steel molds |
Note: These are general values. Actual specifications may vary based on mold formulation and intended application.
Resin molds are widely used in architectural decoration, especially for the production of polyurethane moldings and artificial Faux Stones. These molds are versatile, affordable, and have clear surface detail reproduction, making them ideal for beautiful custom building components.
Resin molds are commonly used to make polyurethane decorative moldings, such as crown moldings, wall edges, ceiling moldings, and eaves. Lightweight, durable, and easy to install, these moldings can give the appearance of traditional plaster or wood, while better resisting moisture and deformation.
Resin molds suitable for this application:
Faux Stones used for interior and exterior wall decoration are usually cast using silicone-reinforced resin molds. These molds can capture the natural texture of real stone, brick, or slate, while being easy to demold and highly efficient in production.
Advantages of using resin molds to make cultural stones:
Most resin molds are made from polyurethane or epoxy resin, often reinforced with fiberglass, silica, or metal mesh to improve strength and durability.
They are commonly used for casting polyurethane decorative trims, artificial cultural stones, concrete panels, and other custom-molded products where high surface detail and short production runs are required.
Depending on the material, coating, and usage, resin molds typically last between 100 to 3,000 molding cycles. Proper handling and regular mold release application can extend lifespan.
Yes, high-performance resin molds can withstand temperatures up to 100–120°C, which is suitable for most PU foam curing processes.
Some resin molds (especially those for cultural stone) are semi-flexible to help with easy demolding and reducing the risk of cracking or chipping during part removal.
Clean regularly with mild solvents, store in a dry, flat area away from direct sunlight, and apply mold release agents before each casting to prevent sticking and wear.
Resin molds are more affordable, quicker to manufacture, and lighter in weight—ideal for prototyping, decorative items, and small to medium production volumes.
Absolutely. Resin molds can be cast from master models with intricate details, including textures, logos, and complex contours. They are highly adaptable for artistic and architectural designs.
