Precision Polycarbonate (PC)
Mold Making Services
Custom PC injection molds for optical-grade parts, impact-resistant housings, and PC/ABS components. We support DME/HASCO mold standards, SPI polishing, DFM review, T1 trials, and export-ready tooling.
PC Mold Types We Build
As a custom PC injection molding factory, we build precision polycarbonate molds for optical parts, impact-resistant housings, PC/ABS components, and 2K overmolded products. Each mold is engineered around your part structure, material behavior, surface requirements, and production volume.
1. Optical-Grade PC Molds
We build optical-grade PC molds wholesale for transparent parts such as lenses, light covers, medical clear covers, and display windows. To achieve high clarity and low haze, our molds support SPI A1/A2 polishing, precise venting, and controlled molding surfaces to reduce black spots, flow marks, and visual defects.
2. Impact-Resistant PC Housing Molds
As an impact-resistant PC housing molds factory, we design molds for industrial housings, electronic enclosures, instrument cases, and protective covers. Our tooling focuses on uniform wall thickness, shrinkage control, warpage control, and dimensional stability, helping your PC parts maintain strength and accuracy in demanding applications.
3. PC/ABS and 2K PC Molds
We manufacture PC ABS injection molding tools and 2K PC molds for PC/ABS housings, PC + TPU overmolding, soft-touch grips, and double-shot molded components. Our team optimizes bonding to PC 2K mold structures, parting line design, material compatibility, and double-shot mold structure for stable production and reliable adhesion.
Need a Custom PC Injection Mold?
Send us your 3D drawings, material requirements, and production volume. Our engineers will review your PC part design and provide DFM feedback, mold suggestions, and a fast tooling quotation.
PC Mold Engineering Challenges &
Tooling Solutions
Polycarbonate requires more than a standard plastic mold layout. Its high melt viscosity, sensitivity to trapped air, and tendency toward internal stress must be considered during PC mold design. Here is how we use gate design, precision venting, and cooling layout control to reduce common PC molding defects before production begins.
Precision Tooling Logic
Engineered for optical-grade perfection and zero defects.
Gate & Runner Design for High-Viscosity PC
Problem: PC resin has high melt viscosity and does not flow as easily as many commodity plastics. Poor flow can lead to pressure loss, flow marks, short shots, or unstable filling, especially on large cosmetic surfaces and transparent PC parts.
Tooling Solution: We optimize gate design, gate size, runner balance, and hot runner temperature control during the PC mold design stage. For optical-grade PC molds, the flow path is reviewed carefully to reduce visible weld lines and flow hesitation.
Result: More stable material flow, fewer cosmetic defects, and better filling performance for optical-grade PC molds, transparent PC injection molds, and large PC housing molds.
Precision Venting to Prevent Burns and Short Shots
Problem: High-pressure PC injection can trap air inside the cavity. If the gas cannot escape quickly, the part may show diesel burns, short shots, black marks, or weak areas around the end of fill.
Tooling Solution: We machine controlled precision venting grooves at key locations such as parting lines, inserts, sliders, and end-of-fill areas. Venting depth is typically controlled around 0.03 mm, depending on part geometry and flash risk.
Result: Cleaner parting lines, fewer burn marks, and more reliable filling for thick-walled parts, impact-resistant PC housing molds, and PC/ABS enclosure molds.
Cooling Layouts for Stable PC Mold Temperature
Problem: PC parts are sensitive to uneven cooling, which can lead to molded-in stress, warpage, dimensional drift, or assembly problems after molding.
Tooling Solution: We design balanced cooling channels across the core and cavity to maintain stable PC mold temperature. For complex parts, cooling layout, steel thickness, insert structure, and hot spots are reviewed before mold cutting.
Result: Better dimensional stability for optical-grade PC molds, impact-resistant PC housing molds, and injection molded PC/ABS housings that require consistent assembly performance.
Steel, Mold Life & Surface Finish for PC Molds
We build custom PC injection molds based on your part structure, production volume, PC injection molding surface finish requirements, and molding standard. The table below shows our common PC mold steel, SPI mold life expectations, surface finishes, and tooling options (including 2K PC mold configurations) for PC and PC ABS injection molding projects.
Export-Ready PC Molds for North America and Europe
DME & HASCO Standard PC Molds for Local Production
We build export-ready PC molds that fit smoothly into your local injection molding production. Whether you need a PC injection mold for North America, Europe, or Mexico, our engineering team can design PC molds based on your required mold standard, machine platen size, hot runner system, drawing format, and maintenance needs.
From DME mold components for North American molding shops to HASCO-compatible mold bases for European production, every mold is delivered with complete technical files, trial records, spare parts information, and maintenance instructions to support stable local production.
Tell us your injection machine brand, platen size, mold standard, and preferred hot runner system. Our engineers will design your PC mold for smoother installation, trial, and production in your local factory.
DME Mold Components
For North American molding shops, we can build DME standard PC molds with DME mold components, inch-based specifications, and locally serviceable parts to reduce maintenance difficulty after delivery.
HASCO-Compatible Mold Bases
For any PC mold for European production, we support HASCO standard PC molds utilizing HASCO-compatible mold bases and standard components, helping your local team install, maintain, and replace parts more efficiently.
Inch / Metric Drawing Support
We provide both inch and metric drawing support, including 2D / 3D mold drawings and CAD files, so your engineers can review the mold structure before shipment.
Hot Runner Brand Compatibility
Our PC molds can be designed around your preferred hot runner system, ensuring perfect hot runner compatibility regarding gate layout, controller interface, heating zones, and maintenance access requirements.
Complete Export Mold Documentation
Each export PC mold can be delivered with a comprehensive spare parts list for injection molds, maintenance instructions, mold trial video, inspection records, and molding parameter references for easier local setup.
Ready for Local Trial & Production
Before shipment, we provide mold trial videos, sample reports, adjustment records, and technical support to help your local team start production faster after the mold arrives.
they choose us
Advanced PC Mold Engineering Capabilities
Complex PC injection molding projects often require more than a standard mold structure. Our engineering team supports 2K PC mold design, unscrewing mechanisms, slide and lifter structures, multi-cavity molds, and stack mold solutions based on your part geometry, production volume, material combination, and tolerance requirements.
1. 2K PC / ABS Mold Design
For PC/ABS parts, PC + TPU overmolding, and double-shot applications. We review bonding areas, material flow direction, shut-off surfaces, and tolerance stack-up before final mold design.
2. Slides, Lifters & Unscrewing Structures
For PC parts with undercuts, inner threads, clips, or assembly features. We design reliable slide, lifter, and unscrewing mechanisms to support stable demolding and long-term production.
3. Multi-Cavity & Stack Mold Options
For high-volume PC housings and transparent components. Multi-cavity and stack mold designs can help improve production output and reduce cost per part when the annual volume supports it.
Have a PC part with threads, undercuts, overmolding, or high-volume requirements? Send us your 3D files and our engineers will review the best mold structure for your project.
A Tooling Partner You Can Verify
Trust in PC mold manufacturing should be supported by engineering files, inspection data, and clear project records. From DFM before mold cutting to T1 sample reports and export tooling documentation, we provide the information your team needs to verify mold quality, part accuracy, and production readiness before the mold reaches your facility.
DFM Before Mold Cutting
Before machining starts, we review wall thickness, draft angle, gate location, ribs, bosses, shrinkage, and possible stress areas for PC parts. This helps your engineering team identify potential molding risks before steel cutting begins.
T1 Samples With Inspection Reports
After the first mold trial, we provide T1 samples and inspection feedback, helping your engineering team confirm dimensions, surface finish, fit, and assembly performance before mass production.
Export Tooling Documentation
For export molds, we can provide 2D / 3D mold drawings, steel certificates, spare parts lists, mold trial videos, maintenance notes, inspection records, and packing records for easier local production setup.
Frequently Asked Questions
Find expert answers about our precision injection mold design, manufacturing, and custom molding capabilities.
Need Technical Support?
Our engineering experts are available 24/7 to discuss your DFM, mold flow analysis, and production requirements.
- Annie@gbminjection.com
- +86 15268369865
- Room 101, Jiumo Technology Park, Gangsheng Road, Yabian Village, Shajing Street, Baoan District, Shenzhen City
How much does PC shrink after molding?
What is the typical wall thickness for an injection molded PC/ABS housing?
Why is precise PC mold temperature control important?
Can PC be dual injection molded with ABS or TPU?
What mold steel is recommended for optical-grade PC molds?
What surface finish is needed for transparent PC parts?
Can you build DME or HASCO standard PC molds for export?
Do you provide T1 samples before shipping the mold?
Let's Review Your CAD File for
PC Mold Making
Send us your 3D CAD file, material grade, annual volume, surface finish requirement, and target market. Our engineers will review the PC mold structure and suggest a practical tooling plan.
Direct Contact
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Sales Email Annie@gbminjection.com
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Direct Phone +86 15268369865
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Headquarters Room 101, Jiumo Technology Park, Gangsheng Road, Yabian Village, Shajing Street, Baoan District, Shenzhen City
Request a PC Mold Quote
All uploads are strictly protected by our standard NDA. Our engineering team typically responds with initial feedback and a tooling strategy within 24 hours.