Precision Heating Solutions for Plastic & Rubber Processing

Optimize your production with reliable, energy-efficient heating elements designed for the demanding requirements of polymer processing

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Heating Challenges in Plastic & Rubber Processing

Temperature control is critical in polymer processing.
Inconsistent heating can lead to quality issues, production delays, and increased operational costs.

Inconsistent Melt Temperature

Uneven heating causes material flow issues, leading to surface defects and dimensional instability in finished products.

Hot Spots & Material Degradation

Localized overheating breaks down polymer chains, reducing mechanical properties and causing discoloration.

Long Heat-up Times

Slow thermal response increases cycle times, reducing overall production efficiency and throughput.

Energy Inefficiency

Poorly designed heating systems consume excessive energy, significantly increasing operational costs.

Frequent Element Failure

Premature heater breakdown causes unplanned downtime and interrupts production schedules.

Difficulty Maintaining Uniformity

Achieving consistent temperature across large surfaces or complex geometries remains challenging.

Specialized Heating Solutions

We provide targeted heating solutions for each stage of plastic and rubber processing, 

ensuring optimal performance and reliability.

Injection Molding

hongtai injection molding solution

Injection Molding Heating Systems

Precise temperature control is essential for consistent melt quality and dimensional accuracy in injection molding.

Consistent heating along the entire extrusion path ensures uniform melt properties and product quality.

Uniform platen heating is critical for consistent cure rates and product quality in compression molding.

Precise temperature control during vulcanization ensures optimal cross-linking and material properties.

Our Cases

Discover how our heating solutions have helped plastic and rubber processors overcome challenges and improve their operations.

Challenge

A leading automotive supplier experienced inconsistent part dimensions and frequent heater failures in their 500-ton injection molding machines producing PP components.

Solution

We replaced their standard band heaters with custom ceramic band heaters featuring improved thermal distribution and high-temperature cartridge heaters for precise nozzle control.

Results

25% reduction in energy consumption, 40% longer heater lifespan, and consistent part dimensions within ±0.1mm tolerance.

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Automotive Parts Manufacturer

Injection Molding

Challenge

A medical tubing manufacturer faced material degradation and inconsistent wall thickness when extruding high-temperature engineering plastics like PEEK and PEI.

Solution

We designed a multi-zone heating system with high-precision cartridge heaters and temperature sensors for each zone, allowing exact temperature control along the entire barrel.

Results

Eliminated material degradation issues, achieved wall thickness consistency of ±2%, and reduced scrap rate from 8% to less than 1%.

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Medical Device Company

Extrusion

Challenge

A manufacturer of automotive rubber seals struggled with uneven vulcanization, resulting in inconsistent material properties and high rejection rates.

Solution

We implemented a custom platen heating system with strategically placed cartridge heaters and high-temperature sensors to ensure uniform temperature distribution across the entire mold surface.

Results

Achieved consistent vulcanization across all molds, reduced rejection rate from 12% to 2%, and decreased cycle time by 15% through optimized heating profiles.

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Rubber Seal Producer

Compression Molding

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