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20% off your first order. Save up to $1,000/€1,000. Ends 31 Dec 2024.
IATF16949:2016
ISO13485:2016
ISO9001:2015
Call Us 24/7
+86 135 1000 5651
Send Mail Us
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What is Two Shot Injection Molding?
Two Shot Injection Molding is a process that fuses two different materials or colors of plastic into one piece using a single mold and two injection cycles. Compared with traditional single-material injection molding, its core advantages are as follows:
√ Enhanced product functionality: It can combine hard plastic and soft plastic (e.g., PP+TPE) to balance strength and anti-slip properties, suitable for scenarios such as handles and seals.
√ Simplified production process: No secondary assembly is required, reducing labor costs while minimizing product assembly errors and improving precision.
√ Rich appearance performance: It supports double color injection molding to meet the visual differentiation needs of products.
Comparison of Core Injection Mold Types
The table below clearly shows the applicable scenarios of different molds, helping you quickly match your needs:
| Mold Type | Core Features | Applicable Scenarios | Material Compatibility |
| Two Shot Injection Mold (Double-Material Mold) | Two injection cycles, one mold, and integrated molding of two materials | Automotive interior parts (e.g., buttons + bases), electronic device housings | PP+TPE, ABS+PC, PA+elastomers |
| Multi Shot Injection Mold (Multi-Material Mold) | Three or more injection cycles, supporting combinations of multiple materials/colors | Complex medical components, high-end home appliance control panels | Various engineering plastics + special materials (e.g., flame-retardant materials) |
| Double Color Injection Mold | Focus on two-color molding; materials can be the same or different | Consumer electronics housings (e.g., phone cases), toys | Same material with different colors (e.g., double-color ABS), different materials with two colors (e.g., PC+PMMA) |
Advantages of Our Two Shot Injection Mold Services
As a Chinese manufacturer of double-color injection molds, we ensure customers’ needs throughout the entire process from technology to delivery:
√ Customized design: Based on product drawings, material requirements, and usage scenarios, we optimize the mold structure to ensure the stability and efficiency of the two shot injection molding process.
√ High-precision production: Using CNC machining centers and EDM equipment, the mold precision can reach ±0.005mm, meeting the needs of precision components.
√ Full-process quality control: From raw material inspection and mold testing to mass production, each link has an inspection report to avoid batch quality issues.
√ Fast delivery guarantee: Standard molds are delivered within 30-45 days, and rush orders can be shortened to 25 days. We also provide post-mold maintenance services.
Cooperation Process
1. Needs Communication: Customers provide product drawings, material requirements, and production volume expectations, and we initially evaluate the feasibility of two shot injection molding.
2. Scheme Design: We output mold structure drawings and two shot injection molding process plans, and start production after confirmation.
3. Mold Manufacturing and Testing: After mold processing is completed, we conduct mold testing and provide samples. Mass production starts after customer confirmation.
4. Delivery and After-Sales Service: After mold delivery, we provide installation guidance services to ensure stable long-term production.
Our Other Manufacturing Solutions
Tolerances as low as ±.0004 inches (0.010 mm)
Quick delivery time as short as 5-7 business days
Over 80 metal and plastic raw materials
Various popular surface finishes
Milling (3-axis, 4-axis, and high-precision simultaneous 5-axis), CNC turning
View Our CNC Machining Services
Quick turnaround molds
Tolerances as low as ±0.10mm
Short production cycle
Wide range of applications
View Our Silicone Molding Services
Most cost-effective
Quality guaranteed
Quick delivery time as short as 5 days
More than 10 surface finishing processes
View Our Sheet Metal Manufacturing Services
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