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Vibration Shaker and Simulated Transportation Tester

UV light exposure aging chamber for rapid weathering of plastics and rubbers

In plastics and rubber industries, UV exposure aging chambers are crucial. For plastics, they're used to test diverse products like daily plastic packaging, outdoor construction plastics such as P ...

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Description

1728722268428959

In plastics and rubber industries, UV exposure aging chambers are crucial. For plastics, they're used to test diverse products like daily plastic packaging, outdoor construction plastics such as PVC pipes and window frames, and consumer plastic items. By accelerating UV aging, manufacturers can predict how sunlight affects their mechanical and visual properties over time. In rubber, these chambers assess the durability of tires, seals, etc. They detect issues like cracking or softening from prolonged UV, ensuring product reliability.

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Structural Features

1. Sturdy Outer Shell: Made of high-grade stainless or coated steel, it resists corrosion in labs and ensures durability for continuous use and sample handling.
2. Adjustable Sample Racks: The inside rack system can be adjusted vertically and horizontally for various sample shapes and sizes. Some have rotating racks to mimic real sunlight exposure.

3. UV-blocking Windows: Strategically placed, these special windows allow sample viewing during tests while preventing UV leakage.


Performance Traits

1. Temperature Range: It can maintain from around -10°C to 80°C, simulating different climates. Higher temperatures can accelerate UV-induced aging of some thermoplastic elastomers.
2. Humidity Control: With advanced systems, it precisely controls humidity from about 20% to 95% RH. High humidity can impact plastics and rubbers, like making water-absorbent plastics swell.

3. UV Radiation Intensity: Equipped with top-notch light sources and controls, intensity can be adjusted from a few to dozens of watts per square meter, allowing custom tests for different materials.


Light Source Attributes

1. Solar-like Spectrum: Selected UV light sources closely match natural sunlight's spectrum, mainly covering UVA and UVB regions, ensuring realistic aging simulation.

2. Longevity and Stability: The light sources have a long lifespan, reducing replacements. Their stable output guarantees consistent UV exposure for reliable results.

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Item

Specification

Outside dimension

1300W×500D×1460Hmm

Chamber material

Paint Spray

Temperature range

RT~70℃

Temperature fluctuation

±2℃

Temperature control

PID SSR control

Humidity range:

≥95%RH

Controller

Programmable controller, LCD touch screen

Control mode

Balance temperature humidity control (BTHC)

Test cycle setting

Exposure, condensation and water spray test cycle is programmable

Lamp power

40W/Piece

Distance from sample to lamp

50±2mm

Centre distance between the lamp

70mm

Irradiance

0.45~0.8W/m2 (optional)

UV lamps

Imported Atlas UV-A: 315-400nm (8pcs, 1600h lifetime)

Standard Specimen Size

75×290mm (24pcs) or 75x150mm (48pcs), max. thickness 5mm

Testing time

0~999H, adjustable

Protection system

Overload short circuit protection
Over temperature protection
Water lacking protection
Earth leakage protection
Auto shut off protection

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Working Conditions
1. Electrical Needs: It usually requires a stable three-phase 380V, 50Hz power supply with proper grounding for safe operation.

2. Installation Space: Adequate, well-ventilated space is needed. The area should be clean, free from excessive dust, vibration, and corrosive gases to protect performance.


Working Principle
1. UV Emission: Special lamps inside emit UV light in the desired range, irradiating samples and triggering reactions that change their properties.

2. Environmental Imitation: Heating, cooling, humidifying, and dehumidifying systems work together to replicate outdoor conditions, speeding up aging. Samples are exposed for a set time for observation.


Precautions
1. Operator Protection: Operators must wear UV-blocking goggles and gloves as UV harms skin and eyes. The light turns off when the door opens.
2. Sample Preparation: Samples should be carefully cut/molded and cleaned to ensure accurate test results.

3. Routine Maintenance: Regular cleaning, checking of components, and sensor calibration are essential for optimal performance.


In conclusion, the UV exposure aging chamber for rapid weathering of plastics and rubber is an indispensable asset for industries dealing with these materials. Its comprehensive features, accurate simulation capabilities, and adherence to safety and maintenance protocols make it essential for ensuring the quality and durability of plastic and rubber products across various applications.

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