At XIAMEN GOLDCATTLE INDUSTRIAL & TRADE CO.,LTD., we specialize in custom Polypropylene (PP) plastic part manufacturing—delivering lightweight, chemical-resistant, and cost-effective components tailored to your unique project needs. Backed by 26 years of precision manufacturing experience and ISO 9001:2000 certification, we serve global clients across North America, Northern Europe, and beyond, transforming ideas into reliable PP solutions. Guided by “Quality, Efficiency, Integrity, and Service,” we provide end-to-end support from material selection and design optimization to mass production and on-time delivery, ensuring every PP part meets the highest standards of performance and durability.
Our PP Plastic Manufacturing Expertise
Polypropylene (PP) is celebrated for its exceptional chemical resistance, low density, fatigue resistance, and excellent processability—making it one of the most versatile plastics for industrial and consumer applications. Our specialized manufacturing processes are engineered to maximize PP’s inherent advantages, balancing precision, scalability, and cost-effectiveness.
1. High-Efficiency PP Injection Molding
Our core capability for high-volume custom PP parts, optimized for PP’s low melting point and excellent flow properties:
- Excels in thin-wall PP molding (down to 0.6mm) for lightweight packaging, automotive components, and consumer goods
- Supports copolymer PP (impact-resistant) and homopolymer PP (high stiffness) molding, with consistent dimensional stability
- Enables high-speed production (up to 1,500,000 pieces/month) for cost-sensitive, large-quantity orders
2. Precision PP CNC Machining
Ideal for PP prototypes, low-volume batches, or complex geometries requiring tight tolerances:
- 5-axis machining capability with ±0.005mm tolerance for PP parts like living hinges, custom fittings, and mechanical components
- Expertise in machining filled PP grades (e.g., talc-filled PP for enhanced rigidity, glass fiber-filled PP for structural strength)
- Minimizes material waste with optimized tool paths, ensuring cost-effectiveness for small-batch PP projects
3. PP-Specific Secondary & Finishing Services
We offer tailored post-processing to enhance PP’s functionality and aesthetics (addressing PP’s low surface energy challenges):
- Overmolding: Combine PP with TPE/TPR for soft-grip surfaces (e.g., tool handles, consumer device casings)
- Surface Treatment: Corona treatment (to improve adhesion for printing/painting), flame treatment, and anti-static coating
- Assembly: Integration of PP parts with hardware (threaded inserts, snap fits) and ultrasonic welding for seamless joints
- Packaging Compatibility: Food-grade PP finishing (compliant with FDA/EFSA standards) for packaging and kitchenware
Table 1: Custom PP Manufacturing Capabilities at a Glance
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Capability
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Key Process
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Best For
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Tolerance Range
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High-Volume Production
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PP Injection Molding
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Lightweight, cost-sensitive PP parts (packaging, automotive interiors, household items) in large quantities
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+/- 0.05 – 0.15mm
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Prototyping & Low-Volume
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PP CNC Machining
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PP prototypes, complex geometries, tight-tolerance components (e.g., living hinges)
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+/- 0.001 – 0.01mm
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Enhanced Rigidity
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Filled PP Molding (Talc/Glass Fiber)
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Structural PP parts (automotive brackets, industrial fittings) requiring higher stiffness
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+/- 0.06 – 0.12mm
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Value-Added Finishing
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Overmolding, Corona Treatment, Assembly
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Improving PP’s adhesion, functionality, and readiness for end-use
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N/A
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PP Material Expertise: Tailored to Your Needs
Selecting the right PP grade is critical to performance. Our engineering team guides you through premium PP materials, matching properties to your application’s demands:
Table 2: Custom PP Material Selection Guide
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PP Grade
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Key Properties
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Typical Custom Applications
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Homopolymer PP (HPP)
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High stiffness, good heat resistance, low cost
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Food containers, industrial fittings, automotive trim
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Copolymer PP (CPP)
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Excellent impact resistance (even at low temperatures), flexibility
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Living hinges, automotive bumpers, consumer device casings
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Talc-Filled PP (20-40%)
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Enhanced rigidity, dimensional stability, reduced shrinkage
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Automotive dashboards, appliance housings, structural brackets
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Glass Fiber-Filled PP (10-30%)
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High strength, load-bearing capacity, heat resistance
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Industrial machinery components, under-hood automotive parts
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Food-Grade PP
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Non-toxic, chemical-resistant, compliant with FDA/EFSA standards
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Food packaging, kitchenware, beverage containers
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Flame-Retardant PP
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UL94 V0 rating, fire resistance, retained mechanical properties
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Electronic enclosures, electrical components
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Industries We Serve with Custom PP Parts
Our tailored PP solutions are trusted in diverse industries, leveraging PP’s versatility, cost-effectiveness, and durability:
Automotive & Transportation
Lightweight PP interior trim (dashboards, door panels), under-hood components (air intake manifolds), and structural brackets—reducing vehicle weight and improving fuel efficiency.
Packaging & Food Industry
Food-grade PP containers, bottles, caps, and flexible packaging (compliant with food safety standards) with excellent moisture and chemical resistance.
Home Appliance & Hardware
PP housings for white goods (washing machines, refrigerators), power tool casings, plumbing fixtures, and living hinges for appliance doors.
Industrial & Manufacturing
Chemical-resistant PP tanks, pipes, fittings, and industrial components that withstand corrosive environments (acids, alkalis).
Consumer Electronics
Lightweight PP housings for small devices, connectors, and internal components—combining durability with cost-effectiveness for mass-produced products.
The Goldcattle Advantage for Custom PP Parts
PP-Specific Engineering Support
Our engineers provide Design for Manufacturability (DFM) feedback tailored to PP’s unique properties: optimizing part design to minimize shrinkage, improve flow, and enhance impact resistance. We help select the ideal PP grade (homo/copolymer, filled/unfilled) for your application’s temperature, chemical, and mechanical requirements.
Rigorous Quality Control
Every custom PP part undergoes strict inspection: raw material testing (melt flow rate, tensile strength), dimensional verification with CMM and optical tools, and functional testing (impact resistance, chemical compatibility). Our ISO 9001:2000 system ensures consistent quality across all batches.
Efficient Global Delivery
With specialized expertise in PP processing, we offer a 12-15 day average lead time for custom PP orders (faster for high-volume injection molding). Flexible shipping terms (FOB, CIF, EXW) and global logistics experience ensure your PP parts arrive on time, wherever you are.
Our Custom PP Part Process Flow
- Consultation & DFM: Discuss your requirements, select PP grade, and optimize design for manufacturability (addressing PP’s shrinkage and surface properties)
- Quotation & Tooling Design: Custom mold design for injection molding or CNC programming for machining
- Prototype & Approval: Produce sample PP parts for testing and validation (including food safety or chemical resistance checks if needed)
- Mass Production & QC: Scale production with continuous quality checks, ensuring consistency for high-volume orders
- Delivery & After-Sales Support: Timely shipping and ongoing technical assistance for PP part performance optimization
Let’s Create Your Custom PP Plastic Parts
Whether you need high-volume PP injection-molded components, precision CNC-machined PP parts, or food-grade PP packaging solutions, Xiamen Goldcattle has the expertise to bring your project to life.
Contact us today to discuss your custom PP part requirements and receive a detailed material selection analysis and project quote.
Company Information
Xiamen Goldcattle Plastic & Metal Products Co., Ltd.
- Year Established: 2014
- Plant Area: 5,000-10,000 square meters
- Key Certifications: ISO 9001:2000
- PP Production Capacity: 1,500,000 pieces per month
- Export Markets: North America, Northern Europe, and beyond
Contact Information
- Website: https://www.xmgoldcattle.com/
- Location: Xiamen, Fujian, China
- Port: FOB Xiamen
“High-quality, efficiency, honesty and service” – Our guiding principles for delivering exceptional custom PP solutions.
