High Temperature Injection Molding Factory
Specializing in heat-resistant polymer molding (330°C+), serving automotive, aerospace, and medical industries. Custom high-temp prototyping to bulk production.
LOW MOQ 100 PCS
Complex Part Precision Molding
Fast Turnaround & Global Shipping
Machines Ranging From 30 Tons to 1,600 Tons
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What Our Clients Say
Our clients are located worldwide, and their feedback speaks for itself. If you’d like to verify our reputation with customers in your area, don’t hesitate to contact us—we’d be happy to connect you with them and share relevant case studies.
8 Key Industries Relying on High Temperature Injection Molding Solutions
Discover how heat-resistant components enable peak performance across critical sectors through precise molding solutions.
Automotive
Turbocharger components, engine covers, exhaust system parts, ignition coil housings, EV battery module brackets.
Electronics
PCB connectors, power module housings, inductor insulation brackets, high-frequency transformer cores.
Home Appliance
Oven heating element brackets, Coffee machine boiler components,air fryer internal components.
Aerospace
Aircraft engine sensor brackets, cabin heat-resistant panels, avionics housings.
Industrial Machinery
hot runner system components, high-temp pump/valve parts, molten metal transfer liners.
Medical Devices
Autoclave trays, endoscope housings, surgical instrument sterilization cases.
Lighting Industry
LED headlight reflectors, high-intensity spotlight heat sinks, stage lighting lens mounts.
Energy & Power
olar inverter housings, EV charging connectors, radiation-resistant insulation parts in nuclear plants.
Why Choose PTSMAKE for High Temperature Injection Molding?
Material Expertise
We process 50+ high-temperature materials (PTFE, PEEK, PPS, PPSU, PPO, PI, PVDF, PEI, PAI, PBI, LCP) with ±0.01mm precision
Advanced Technology
Utilizing advancedmachines, we ensure dimensional accuracy and optimize designs, reducing production costs by up to 30%.
Rapid Turnaround
Our 50+ advanced molding machines enable 15-day prototype cycles and 30% faster production timelines.
Rigorous Quality
Our 3-stage quality checks maintain a defect rate below 0.2% with full traceability for every molded parts.
How We Ensure Top Quality in High Temperature Injection Molding at PTSMAKE
- High temperature injection molding requires strict quality control to meet demanding industry standards. At PTSMAKE, we use a 5-stage quality management system to guarantee precision and reliability in every part. Let’s break down how we do it.
- Stage 1: Material Selection & Pre-Testing
We start by testing polymer materials at 300°F–500°F using ASTM D638 standards. Our engineers verify heat resistance, shrinkage rates, and chemical stability before approving materials. This prevents warping and degradation during high-temperature molding.
- Stage 2: Precision Mold Design
Our team designs molds with ±0.005mm accuracy using Siemens NX software. We simulate heat distribution patterns to identify hot spots and optimize cooling channels. 98% of our molds pass first-article inspection (FAI) thanks to this digital validation process.
- Stage 3: Real-Time Production Monitoring
During molding, sensors track barrel temperatures (up to 450°F), injection pressure (1,500–2,500 psi), and cycle times. Any deviation triggers automatic alerts. Our operators perform hourly checks using calibrated tools, ensuring consistent output across batches.
- Stage 4: Post-Process Verification
We test 100% of parts for:
• Dimensional accuracy (CMM measurements)
• Surface defects (3D optical scanners)
• Mechanical strength (ISO 527 tensile tests)
Critical components undergo additional heat aging tests at 250°F for 48+ hours.
- Stage 5: Continuous Improvement
Every project is documented in our cloud-based QMS. We analyze data like defect rates (consistently <0.3%) and customer feedback to refine processes. This system helped clients like Huawei reduce part failures by 67% in high-heat robotics applications.
- With 20+ years of experience and ISO 9001-certified workflows, PTSMAKE delivers high temperature injection molding solutions you can trust. Our 24/7 engineering support team resolves issues 3x faster than industry averages.
"PTSMAKE delivered heat-resistant nylon gears for our aerospace project. Their molding process met MIL-spec requirements. Zero warping issues even at 130°C continuous use. Saved us 3 weeks vs. previous suppliers
Ryan Carter, Manufacturing Director, USA"
Top Materials for High Temperature Injection Molding
PTFE
Chemically inert & heat-resistant (260°C+). Used in seals, non-stick coatings. Low friction but poor creep resistance.
PEEK
High strength, 250°C resistance. Aerospace/medical parts. Excellent mechanical, chemical, and wear properties.
PPS
Stable up to 220°C, inherently flame-retardant. For automotive/electrical components. Resists chemicals and creep.
PPO
High dimensional stability, 100–175°C range. Automotive/electronics. Good dielectric properties, processable.
PI
Extreme heat (300°C+), low thermal expansion. Aerospace/electronics. Brittle but radiation-resistant.
PEI
Amorphous, 170°C+, transparent. Aircraft interiors/sterilizable devices. Strong, UL94 V0 flame-rated.
PBI
Highest heat tolerance (430°C short-term). Aerospace suits/seals. Exceptional stability, costly.
LCP
Ultra-thin wall molding, 240°C-capable. Miniature connectors. Low warp, high flow, anisotropic strengths.
Typical Lead Times for High Temperature Injection Molding
Balancing speed and precision in manufacturing timelines
- High temperature injection molding projects often face longer lead times due to material-specific challenges. At PTSMAKE, we’ve reduced average lead times to 2-3 weeks for custom molds and 7-10 days for production batches. Our 20+ years of expertise in precision manufacturing helps streamline processes without compromising quality.
- Key factors affecting lead times include material curing requirements (e.g., PEEK, PEI), part complexity, and order volume. For urgent needs, our team offers expedited services that cut timelines by 30-40%. Over 85% of projects meet or beat initial deadlines through our dedicated project management system.
- We maintain 48-72 hour response times for quotes and design feedback. Clients like HUA WEI and BMW rely on our ISO-certified facilities in Shenzhen and Dongguan, where 90% of tooling is completed in-house. Real-time updates via our client portal ensure transparency at every stage.
High-Temperature Injection Molding: 8-Step Manufacturing Process
Learn the key steps to produce high-quality large injection molded parts efficiently.
1. Material Selection
Choose high-temperature-resistant polymers compatible with your application. PTSMAKE uses advanced materials like PEEK, PEI, and LCP that withstand 300-400°C.
2. Mold Design
Create precision tooling with heat-resistant steel alloys. Our 20+ years experience ensures optimal gate placement and cooling channels.
3. Machine Setup
Configure injection units with precise temperature controls. We use 450+ ton machines with ±3°C stability for consistent results.
4. Material Drying
Remove moisture using industrial dryers. Our ISO-certified process prevents bubble formation in hygroscopic materials.
5. Injection Molding
Inject molten material under controlled pressure. PTSMAKE’s closed-loop systems maintain 0.5% shot weight consistency.
6. Cooling Process
Optimize cooling time using thermal simulations. Our dual-circuit systems reduce cycle times by 15-20%.
7. Part Ejection
Implement automated demolding with custom lifters. We prevent deformation in thin-walled components.
8. Quality Inspection
Verify dimensions using CMM and CT scanning. Our 100% inspection protocol meets aerospace standards.
Request a Custom Quote Today
Get an accurate estimate for your project today. Let us help you meet your exact specifications.
Cost-Effective Solutions for High Temperature Injection Molding
Practical strategies to cut expenses without sacrificing quality in high-heat applications
1. Material Optimization
Select heat-resistant polymers like PEEK or LCP only where essential. PTSMAKE uses simulation tools to identify minimum material thickness.
2. Mold Design Efficiency
Multi-cavity molds increase output per cycle. Our 20+ years’ expertise ensures durable tooling with quick-change inserts to reduce downtime.
3. Cycle Time Reduction
Precise temperature controls shorten cooling phases. We achieve 18% faster cycles via real-time thermal monitoring.
4. Automation
Robotic part removal minimizes human intervention. PTSMAKE deploys integrated systems for 24/7 production.
5. Bulk Purchasing
Pool material orders with similar projects. We negotiate volume discounts for clients through consolidated sourcing.
6. Design Simplification
Reducing undercuts and wall thickness variations decreases cycle time. Our DFM analysis typically identifies 12-18% cost-saving opportunities.
7. Secondary Process Elimination
In-mold labeling/texturing at PTSMAKE removes post-processing steps. Our single-source service handles CNC machining and molding under one roof.
Customization Options for High Temperature Injection Molding
High temperature injection molding requires specialized customization to meet demanding industrial needs. At PTSMAKE, we focus on adapting materials, tooling, and processes to handle extreme thermal conditions. Our solutions ensure your parts maintain structural integrity and performance under high heat.
Material Customization for High-Temperature Resistance
We offer over 20 high-temperature plastics like PEEK, PEI (Ultem), PPS, and LCP. These materials withstand temperatures from 300°F to 500°F while resisting warping or degradation. Clients choose specific grades based on mechanical strength, chemical resistance, or electrical insulation needs. For example, medical device manufacturers often select Ultem for autoclave compatibility.
Tooling and Mold Design Flexibility
Our engineers create custom molds with heat-resistant steel cores and cooling channels optimized for thermal control. Multi-cavity molds with hot runner systems are available for high-volume orders. We adjust gate locations and venting to prevent burn marks during high-temperature cycles. Complex geometries like thin walls (down to 0.5mm) or undercuts are achievable through modular mold designs.
Surface Finish and Post-Processing Options
Choose from textured, polished, or custom-branded surfaces. We apply anti-static coatings for electronics or low-friction treatments for moving components. Secondary operations like ultrasonic welding spots or EMI/RFI shielding layers can be integrated. All finishes undergo thermal cycling tests to verify durability under repeated heat exposure.
Rapid Prototyping to Full Production Scaling
PTSMAKE provides fast-turn prototypes using high-temp materials within 72 hours. Our ISO-certified facilities support seamless scaling from short-run batches to 500,000+ unit production. Clients like BMW and Huawei leverage our hybrid approach combining CNC machining for mold adjustments with automated molding processes.
Success Stories: High Temperature Injection Molding Solutions
Medical Device Manufacturer in Germany
A medical device manufacturer in Germany needed high-temperature-resistant housings for sterilizable equipment. Their existing supplier struggled with material warping during injection molding, causing inconsistent sealing surfaces.
PTSMAKE redesigned the mold with conformal cooling channels and switched to a heat-stabilized PEEK material. This reduced cycle time by 18% and achieved ±0.05mm dimensional stability across 500+ sterilization cycles.
The solution helped the client secure a critical WHO certification and expand into emerging markets.
PTSMAKE redesigned the mold with conformal cooling channels and switched to a heat-stabilized PEEK material. This reduced cycle time by 18% and achieved ±0.05mm dimensional stability across 500+ sterilization cycles.
The solution helped the client secure a critical WHO certification and expand into emerging markets.
European Industrial Robotics Company
A European industrial robotics company required complex gear mechanisms that maintained precision at continuous 200°C operation. Previous vendors couldn’t achieve the required <0.01mm backlash tolerance after 10,000 cycles.
PTSMAKE implemented a hybrid approach combining CNC-machined mold inserts with high-precision temperature control during injection molding. The resulting gears showed 98% less wear than industry benchmarks, allowing the client to extend maintenance intervals and win a flagship factory automation project.
PTSMAKE implemented a hybrid approach combining CNC-machined mold inserts with high-precision temperature control during injection molding. The resulting gears showed 98% less wear than industry benchmarks, allowing the client to extend maintenance intervals and win a flagship factory automation project.
Contact Custom High Temperature Injection Molding Expert Today!
We look forward to the opportunity to work with you and contribute to your project’s success.
Overcoming Common Challenges for High Temperature Injection Molding
High temperature injection molding demands specialized expertise to handle unique material behaviors and production requirements.
Challenge 1: Material Degradation
High-temperature polymers like PEEK or PEI break down if overheated. We use real-time thermal monitoring systems and certified material databases to maintain optimal melt temperatures.
Challenge 2: Tooling Wear
Molds degrade faster under extreme heat. Our hardened steel molds with ceramic coatings increase tool life by 40% compared to standard tools.
Challenge 3: Dimensional Instability
Rapid cooling causes warping. PTSMAKE implements multi-stage cooling channels and AI-driven simulation to predict shrinkage patterns before production.
Challenge 4: Gas Traps
Thick-walled parts trap air. Our vacuum-assisted molding process eliminates bubbles, critical for medical and aerospace components.
Challenge 5: Slow Cycle Times
High temps require longer cooling. We optimize cycle times using conformal cooling channels validated through 20+ years of molding experience.
Challenge 6: Color Consistency
Pigments degrade at 300°C+. Our pre-compounded color masterbatches withstand temperatures up to 400°C without fading.
Challenge 7: High Energy Costs
Continuous heating drains power. Our servo-electric machines cut energy use by 35% while maintaining ±1°C temperature control.
High-Temperature Injection Molding FAQs
Q1: What materials are best for high-temperature injection molding?
A: High-temperature injection molding works best with engineering-grade thermoplastics like PEEK, PEI (Ultem), and LCP. These materials resist warping and degradation at extreme temperatures. At PTSMAKE, we use advanced molds and process controls to ensure dimensional stability for aerospace, medical, and automotive applications.
Q2: How does high-temperature molding affect production costs?
A: While material and energy costs are higher, our optimized processes minimize waste. We reduce costs through automated quality checks and bulk material purchasing. Clients like Huawei and BMW trust our cost-effective solutions for complex geometries.
Q3: What tolerances can you achieve in high-temperature molding?
A: We maintain ±0.01mm tolerances even at 300°C+ conditions. Our ISO-certified facilities use temperature-controlled molds and real-time monitoring to ensure consistency across production runs.
Q4: How do you prevent material degradation during molding?
A: Our engineers optimize melt temperature profiles and residence times. We use nitrogen purging in barrels to reduce oxidation. PTSMAKE’s 20+ years of expertise ensures stable processing for heat-sensitive resins.
Q5: Can you handle overmolding with high-temperature materials?
A: Yes. Our dual-shot molding systems combine materials like silicone and PEEK without delamination. We’ve delivered medical device components requiring both thermal resistance and flexibility.
Q6: What industries need high-temperature injection molding most?
A: Aerospace (engine components), automotive (under-hood parts), and electronics (connectors). We’ve produced EMI-shielded housings and fluid-resistant seals meeting AS9100 and IATF 16949 standards.
Q7: How fast can you deliver prototypes?
A: 3-7 days for most high-temp prototypes. Our in-house tooling team and 50+ CNC machines enable rapid iterations. Clients receive DFM feedback within 24 hours.
Q8: What mold steels work best for high-temp applications?
A: We use pre-hardened steels like H13 and stainless steels for corrosion resistance. All molds undergo stress-relief heat treatment to prevent deformation during prolonged high-heat cycles.
Q9: How scalable is high-temperature molding production?
A: Our facilities handle 10 to 1M+ parts annually. We maintain separate production lines for medical-grade and industrial applications to prevent cross-contamination.
Q10: Do you provide material certification and traceability?
A: Yes. Every batch includes full material certs (RoHS, REACH, FDA where applicable). Our digital tracking system records process parameters for each part number.
