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Dehumidifying Dryer Series

Drying and Dehumidifying System

Topstar drying and dehumidification systems are specifically designed for injection molding applications, providing precise humidity control, stable low-dew-point drying, and contamination-free material handling. These dryers and dehumidifier dryers utilize PID temperature control, energy-efficient airflow design, stainless steel construction, and comprehensive safety features to effectively improve product quality while reducing energy consumption. From standard hot air dryers to advanced three-in-one drying systems and nitrogen dehumidification systems, Topstar offers reliable drying solutions for hygroscopic plastics, optical-grade plastics, and high-performance plastics.

Products

Drying and Dehumidifying System

Products

Drying and Dehumidifying System

  • High Performance
  • Reliability
  • Durability
  • Universally Applicable
TCDHE-50

TCDHE Series 3-in-1 Honeycomb Energy-Saving Dehumidifying Dryer

The TCDHE Series 3-in-1 Honeycomb Energy-Saving Dehumidifying Dryer integrates variable-frequency energy-saving technology with heat recovery capabilities, reducing energy consumption by up to 60%. Equipped with an advanced honeycomb rotor, the unit maintains a stable dew point of -40°C, ensuring consistent, highly precise drying performance. An optimized airflow design—complemented by a “lantern-style” air outlet and a three-zone thermal insulation structure—guarantees uniform, thorough drying of the material. 1. Up to 60% Energy Savings 2. Stable dew point at -40°C 3. Third-generation PID algorithm adapts to ambient changes. 4. Offset inlet/outlet design enhances dehumidification

TDN Series Nitrogen Dryer 1

TDN Series Nitrogen Dryer

The TDN Series Nitrogen Dryer is designed for optical and high-precision injection molding applications, utilizing over 98% high-purity nitrogen to effectively reduce oxidation, yellowing and moisture-related defects. With a fully enclosed nitrogen circulation system and advanced filtration technology, it delivers ultra-clean, energy-efficient drying performance while improving product quality and reducing maintenance costs. 1. >98% High-Purity Nitrogen 2. Reduced Oxidation & Yellowing 3. 0.3 μm × 99.99% Filtration 4. Enclosed Nitrogen Circulation 5. Extended Screw Carbonization Time

TDB-Double-hopper-3-in-1-Compact-Dehumidifying-Dryer 1

TDA/TDB Double Hopper 3 in 1 Compact Dehumidifying Dryer

The TDA/TDB double hopper 3 in 1 compact dehumidifying dryer is an integrated system with two hoppers, capable of drying two different plastic materials simultaneously at different temperature settings. It retains all the core functions of a standard three-in-one system—dehumidification, drying, and conveying—while saving energy and space. This design is particularly suitable for multi-material injection molding, color changes, or small-batch production, offering advantages such as flexibility, high efficiency, and low operating costs.

TCDH-Series-3-in-1-Compact-Dehumidifying-Dryer 1

TCDH Series 3 in 1 Compact Dehumidifying Dryer(Honeycomb Rotor)

The TCDH 3 in 1 compact dehumidifying dryer utilizes a high-performance honeycomb rotor to deliver stable, low-dew-point dry air, thereby enhancing the processing quality of precision- and optical-grade plastics. Its dual-cooler dehumidification system ensures consistent drying performance, while the sealed conveying circuit effectively prevents material re-absorption of moisture and contamination. 1. 3-in-1 Integrated System 2. High-Performance Honeycomb Rotor 3. Dual-Cooler Dehumidification Technology 4. Sealed Conveying System 5. Optical-Grade Design

TCDE-25

TCDE Series 3 in 1 Compact Dehumidifying Dryers (Energy-Saving Type)

The TCDE Series 3-in-1 Compact Dehumidifying Dryer integrates dehumidification, drying, and multi-stage conveying into one compact, energy-efficient system. With a dew point as low as -40°C, it provides stable dry air to improve the quality of hygroscopic and optical-grade plastics. The insulated drying hopper and fully enclosed conveying system reduce heat loss and prevent moisture reabsorption, ensuring efficient and consistent drying performance. 1. 3-in-1 Integrated Design 2. -40°C Low Dew Point 3. Energy-Efficient Drying System 4. Moisture-Proof Conveying 5. Smart Control & Protection 6. High-Precision Plastic Processing

TDH Honeycomb Rotor Dehumidifier 1

TDH Series Honeycomb Rotor Dehumidifiers

The Honeycomb Rotor Dehumidifier mainly works with hopper dryers, which are specialized for drying engineering plastics that are highly hygroscopic, such as Nylon, PC, PBT, PET, etc. It adapts high efficiency rotor, which can ensure a dew point at -40°C with a stable dehumidifying effect. 1. ≤ -40°C Low Dew Point for Precision Molding. 2. Silica-Gel Honeycomb Rotor for Energy Savings. 3. Dual-Cooler System for Stable Humidity Control. 4. Dust-Proof Filtration for Longer Service Life. 5. Compact Design for Flexible Factory Integration.

TCD Series Cabinet Dryers 1

TCD Series Cabinet Dryers

The TCD Series Cabinet Dryers are mainly applied to plastic material drying, particularly for simultaneous drying of various plastic materials with small quantities or for trialmolding purpose. It can avoid annoy on changing and cleaning plastic materials to save working time. All these models adopt precise P.I.D. temperature control and a 24-hour timer to start/close the dryer at the set time, with drying temperature up to 200°C. This series has superior features in easy operation, stable function, and low consumption. 1. PID Temperature Control for Stable Drying Quality. 2. Hot Air Circulation & Heat Recovery for Higher Efficiency. 3. Stainless Steel Trays for Clean Material Processing. 4. Multiple Safety Protections for Reliable Operation.

THDP-50DT 1

THDP Series Hot Air Dryer

The Topstar THDP Series Hot Air Dryer delivers efficient, intelligent, and energy-saving drying performance for injection molding applications. Featuring PID temperature control with ±1°C accuracy, smart timer programming, and optional RS485/MODBUS RTU communication, it enables precise operation and seamless integration into smart manufacturing systems. The double-layer insulated drying module and optimized air outlet design improve energy efficiency and drying consistency while ensuring safe operation. 1. ±1°C Precise Temperature Control 2. Smart Factory Connectivity 3. Energy-Saving Insulated Design 4. Optimized Air Flow System 5. Comprehensive Safety Protection

THD-U-1_1

THD Series Hot Air Dryer

Topstar THD series hot air dryers are designed specifically for standard plastic materials used in injection molding, achieving rapid and stable drying through precise temperature control and uniform hot air distribution. With a temperature resolution of 1°C, PID auto-tuning, and a top diffusion system, this hot air dryer ensures consistent drying performance while minimizing material contamination and enhancing operational safety. 1. Precise Temperature Control 2. Uniform Hot Air Distribution 3. Stainless Steel Contact Parts 4. Built-In Over-Temperature Protection 5. Simple & User-Friendly Control

Core Technologies of the Dehumidifying Dryer Series

Real-time Adaptive PID Parameter Tuning

 

  • • Dynamic adjustment via evaluation functions and mathematical models.

 

  • • Enables one-click startup for higher productivity and superior product quality.

 

High-Precision Control

 

  • • Temperature rise convergence speed +20% faster —
    dramatically shortens setup time.

 

  • • Control accuracy ±0.1°C — minimizes mold temperature fluctuations.

 

In-house Developed Core Algorithms

 

  • • Integrates load identification with temperature response models for precise algorithm-process matching.

 

  • • Dual validation through simulation and real-world testing ensures reliability.

 

Supports High-end Precision Manufacturing

 

  • • Ideal for demanding processes in aerospace, electronics, new energy vehicles, and other high-precision fields.

 

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Training for Installation and Operation Correctly

Topstar Service

We have a comprehensive after-sales training system. To address potential issues and ensure optimal operation, we provide you with the necessary training resources for installing and operating the packaging machine.

  • Instructions for Use – Installation Steps and Operating Precautions
  • Video demonstration of installation and debugging
  • On-site training – additional service fee required

Technical Support

Whether your business is located in Europe, North America, or the Middle East, we provide global services, and our experts are on call to provide technical support services through video calls or on-site assistance. Services include:

  • First installation and debugging of equipment
  • Daily debugging and maintenance
  • Emergency fault assistance
  • Equipment optimization services
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The Machinery Industry Professionals

  • Customized Requirements
  • Solutions
  • Professional Packaging
  • Delivery & Installation
  • 24H Technical Support

The Topstar team delivered the Water & Electric Engineering project efficiently and perfectly in a complex environment with an urgent delivery schedule.

LUXSHAREICE

TOPSTAR customer-001

From EEA series to TE series, we see the continuous pioneering and innovative spirit of Topstar in the field of injection molding machines.

Dme Udaykumar

TOPSTAR customer-002

The robotic arms were installed and ran smoothly, which greatly improved our production efficiency!

Thai A-Tech

TOPSTAR customer-003

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We sincerely appreciate that more than 15,000 customers have witnessed the TOPSTAR growth and long-term supports.

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