In the rubber and plastics industry, material performance is not just about initial properties—it is about long-term durability under real-world environmental conditions. From automotive seals and gaskets to electronic housings, medical tubing, and consumer products, rubber and plastic materials are constantly exposed to temperature fluctuations, humidity, and thermal cycling that can compromise their mechanical integrity, dimensional stability, and service life. At Guangdong Lixian Instruments Co., Ltd. , we provide advanced testing equipment engineered to meet these critical challenges. Our HZ-2004A Programmable Temperature & Humidity Test Chamber delivers precise, repeatable, and standards-compliant environmental simulation, helping manufacturers validate material performance, optimize formulations, and ensure product reliability across diverse applications .
Why Temperature & Humidity Testing is Essential for Rubber & Plastic Materials
Rubber and plastic materials are inherently sensitive to environmental conditions. Temperature extremes can cause softening, hardening, or embrittlement, while humidity can lead to hydrolysis, swelling, or degradation of mechanical properties. Without rigorous testing, manufacturers risk:
Thermal degradation leading to loss of tensile strength, elasticity, or impact resistance
Dimensional instability causing warping, shrinkage, or poor fit in assemblies
Humidity-induced failure resulting in cracking, crazing, or loss of electrical insulation properties
Inconsistent processing due to variations in material behavior under different conditions
Non-compliance with industry standards and customer specifications
The HZ-2004A Temperature & Humidity Test Chamber from Guangdong Lixian Instruments Co., Ltd. simulates these real-world environmental conditions in a controlled laboratory setting, enabling manufacturers to predict material behavior, optimize formulations, and ensure compliance with international standards -1-3.
Key Features of the HZ-2004A Programmable Temperature & Humidity Test Chamber
Precise Environmental Control: The HZ-2004A provides accurate, stable control of both temperature and humidity, essential for reliable rubber and plastic testing:
Temperature range: -40°C to +150°C (with options available for -70°C to 150°C) -5-10
Temperature uniformity: ±1.0°C to ±2.0°C depending on chamber size -10
Humidity uniformity: ±2.0% to ±3.0% R.H. -10
Temperature fluctuation: ≤1°C -10
Advanced Touch Screen Controller: The system features an imported programmable touch screen controller with intuitive operation. It displays real-time temperature, humidity, and test status, supporting multiple program patterns with up to 120 patterns and 1200 steps for complex cycling tests -9. The controller includes dynamic fault display and alarm functions for reliable operation.
Reliable Refrigeration System: Utilizes imported brand compressors (such as French Tecumseh) with eco-friendly refrigerants, ensuring efficient cooling performance across the entire temperature range -7-9. The system features both single-stage and two-stage compressor options depending on the required low-temperature range -10.
Uniform Air Circulation: A high-efficiency circulation fan with optimized air duct design ensures consistent temperature and humidity distribution throughout the chamber, eliminating hot or cold spots that could compromise test results -7.
Robust Construction: The chamber features:
SUS304 stainless steel interior for corrosion resistance and easy cleaning -7-8
High-density polyurethane foam insulation for thermal efficiency -7
Tempered glass viewing window with anti-fog heating element for clear sample observation -7
Built-in LED lighting for convenient sample inspection
Multi-layer safety protection including over-temperature, over-current, and compressor overload protection
Flexible Chamber Sizes: Available in multiple capacities to accommodate various sample types, from 80L to 1000L and custom options, including double-door configurations and walk-in chambers for large components or bulk testing -5-9.
Technical Specifications at a Glance
| Parameter | Specification |
|---|---|
| Model | HZ-2004A Programmable Temperature & Humidity Chamber -1 |
| Temperature Range | -40°C to +150°C (option: -70°C to +150°C) -5-9 |
| Humidity Range | 20% – 98% R.H. -1-5 |
| Temperature Uniformity | ±1.0°C to ±2.0°C -10 |
| Humidity Uniformity | ±2.0% – ±3.0% R.H. -10 |
| Temperature Fluctuation | ≤1°C -10 |
| Heating Rate | 2.0°C – 3.0°C/min -5 |
| Cooling Rate | 0.7°C – 1.0°C/min -5 |
| Controller | Programmable touch screen (imported) -9 |
| Program Capacity | 120 patterns, 1200 steps |
| Interior Material | SUS304 stainless steel -7 |
| Exterior Material | Stainless steel or painted steel -7 |
| Refrigeration System | Imported compressor (Tecumseh or equivalent) -7 |
| Safety Features | Over-temperature, over-current, compressor overload protection |
| Power Supply | AC 220V / AC 380V, 50Hz |
Standards Compliance for Global Acceptance
The HZ-2004A supports testing in accordance with key international and national standards for rubber and plastic materials -3-9:
GB/T 2423.1 – Low temperature test methods
GB/T 2423.2 – High temperature test methods
GB/T 2423.3 – Damp heat test methods
GB/T 2423.4 – Cyclic damp heat test methods
GB/T 2423.22 – Temperature change test methods
IEC 60068-2-1 – Cold test methods
IEC 60068-2-2 – Dry heat test methods
IEC 60068-2-78 – Damp heat, steady state
GJB 150.3 – High temperature test
GJB 150.4 – Low temperature test
GJB 150.9 – Damp heat test
Applications Across the Rubber & Plastics Industry
The HZ-2004A serves diverse applications throughout rubber and plastic manufacturing -3:
Automotive Rubber: Testing seals, gaskets, hoses, and vibration dampers for thermal cycling resistance
Electronic Plastics: Validating housings, connectors, and insulation materials for temperature and humidity stability
Medical Plastics: Evaluating tubing, syringe components, and device housings for environmental durability
Consumer Products: Testing rubber grips, plastic enclosures, and sporting goods for long-term performance
Industrial Rubber: Assessing conveyor belts, rollers, and expansion joints for thermal aging resistance
Building Materials: Validating plastic pipes, profiles, and weather seals for outdoor durability
A Trusted Partner in Precision Testing
As a leading manufacturer of testing instruments and detection equipment, Guangdong Lixian Instruments Co., Ltd. combines decades of instrument R&D experience with deep industry knowledge. Founded in 2000 and headquartered in Dongguan, Guangdong province, the company operates a modern 6000-square-meter production facility and serves clients in over 60 countries with products certified to CE and ISO standards -8. With a professional R&D team, rigorous quality management systems, and advanced manufacturing capabilities—including CNC processing centers and数控机床—every HZ-2004A undergoes strict quality inspection, performance testing, and validation before shipment, guaranteeing stable and reliable long-term operation in demanding laboratory or production environments -8.
Comprehensive Customer Support
Beyond high-quality testing equipment, Guangdong Lixian Instruments Co., Ltd. provides complete support to ensure your success:
12-month product warranty with lifetime service support
Pre-sales consultation: Expert guidance to select appropriate test methods and equipment parameters based on your specific rubber and plastic materials and quality requirements
Installation and training: On-site commissioning and operation training to ensure your team quickly masters equipment use
After-sales service: Professional maintenance team providing timely repairs, spare parts replacement, and technical support to minimize production disruption
Test with Confidence, Produce with Certainty
In the competitive rubber and plastics market, where material performance directly impacts product reliability and customer satisfaction, only manufacturers who rigorously validate environmental resistance can ensure consistent quality and maintain brand trust. The HZ-2004A Programmable Temperature & Humidity Test Chamber from Guangdong Lixian Instruments Co., Ltd. offers the precision, reliability, and standards compliance needed to optimize your formulations, validate your processes, and deliver products that perform as expected—under any environmental condition.
Whether you are a small-scale compounder or a large-scale manufacturer serving automotive, electronics, medical, or industrial markets, our testing equipment delivers the accuracy and dependability required to protect your reputation and ensure product success.
Contact Guangdong Lixian Instruments Co., Ltd. today to learn more about how our temperature and humidity testing equipment can enhance your rubber and plastic material evaluation processes. Request a detailed technical specification, arrange a product demonstration, or consult with our application specialists to discuss your specific testing requirements.
Guangdong Lixian Instruments Co., Ltd. — Precision Engineered for Material Excellence.
