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UV Accelerated Weathering Chamber

Name: UV Accelerated Weathering Chamber
Brand: Xi'an LIB Environmental Simulation Industry

Accelerate UV aging tests to predict outdoor durability in weeks instead of years

LIB industry UV accelerated weathering chamber simulates the destructive effects of ultraviolet radiation, rain, dew, temperature, and humidity on materials and products in natural environments, enabling accelerated evaluation of material weathering resistance.

By reproducing long-term outdoor aging processes under controlled laboratory conditions, this system helps manufacturers shorten testing cycles, reduce uncertainty from natural exposure, and make reliable durability decisions before product launch or mass production.

UVA (315–400 nm) and UVB (280–315 nm) ultraviolet lamps are used to simulate different ultraviolet energy levels responsible for material aging. UVA lamps reproduce the main UV spectrum of sunlight, while UVB lamps accelerate high-energy degradation, allowing users to select appropriate test conditions based on material type and applicable standards.

Model: UV-SI-260 and more customized models available.

Compliant Standards :ASTM G154, ISO 4892 / ISO 4892-1

Referenced Material Standards :ASTM D4329, SAE J2020, GM 9125P,Selected ASTM C & D material standards upon request

LIB Industry UV Accelerated Weathering Chamber Video

UV Accelerated Weathering Chamber Features and Benefits

1. Accelerated aging in a short time

Simulates material degradation caused by UV radiation, temperature, and humidity in a relatively short period, allowing users to replace long-term outdoor exposure with efficient laboratory testing and significantly shorten product validation cycles.

2. High correlation with real outdoor environments

Accurately simulates ultraviolet radiation, rain, dew, and moisture effects commonly encountered outdoors, ensuring that test results are closer to real service conditions.

3. Professional UV lamp system

Equipped with UVA-340 and UVB-313 lamps, UVA-340 lamps simulate more powerful short-wave ultraviolet light, UVB-313 lamps have higher energy, and the sample can receive ultraviolet radiation evenly.

4. Durable and corrosion-resistant chamber structure

The inner chamber is made of SUS304 stainless steel, offering excellent corrosion and high-temperature resistance. The exterior uses coated steel plate to enhance structural strength and long-term operational stability.

UV Accelerated Weathering Chamber Specifications

Model	UV-SI-260
Internal Dimension (mm)	4501170500
Overall Dimension (mm)	61013301470
Specimen Holder Size(mm)	75*150
Specimen Capacity	56 Pieces
Irradiation Source	Fluorescent UV lamps (8) - 40 W
Temperature Range	Ambient ～ 90 ℃ ±2℃
Black Panel Temperature (BPT)	35 ～ 80 ℃
Humidity Range	≥95% RH
Bandwidth	290 ~ 400nm
Irradiance Control	0.3~20 W/㎡
Water Spray Cycle	1~9999H59M (Adjustable)
Distance of Specimen and lamp	50mm
Controller	Programmable color LCD touch screen controller, Ethernet connection
Water Supply System	Automatic water supply, Water purification system
Safety Device	Over-temperature Protection; Over-current Protection; Water Shortage Protection; Earth leakage Protection; Phase Sequence Protection
Exterior Material	Steel Plate with protective coating
Interior Material	SUS304 stainless steel

Configuration of UV Accelerated Weathering Chamber

① Control system	Programmable controller (PLC), which can accurately control the ultraviolet radiation intensity, temperature, humidity, test time and other parameters during the test.
② Test sample area	Flat Specimen Holders (aluminum panels with rings). Each specimen size is 75mm*150mm, can hold 52 pieces of specimens. Customize special holder according to different specimens.
③ Radiometer	Mainly used to measure the radiant energy power density of ultraviolet rays.
④ Black panel	Simulate the thermal radiation of the material in the actual use environment.
⑤ Water spray system	Including water tank, water pump, nozzle, water pipe. The tank is used to store water, and the nozzle sprays the water evenly over the test sample, simulating the action of rain or dew.
⑥ Lighting system	UVA-340 lamps and UVB-313 lamps, etc., are divided into two rows, each row of 4 lamps, and maintain a certain distance between the lamps to ensure the uniformity of ultraviolet radiation.
⑦ Heating system	The heating method is the inner tank type heating, the heating speed is fast, and the temperature distribution can be more uniform.

Typical Applications

LIB industry UV accelerated weathering chamber is widely used for:

Plastics and polymer materials
Paints and surface coatings
Rubber and sealing materials
Automotive interior and exterior components
Construction and building materials

Service & Support

Backed by a 3-year warranty, lifelong technical support, and a 24/7 English-speaking service team, LIB industry ensures stable operation throughout long-term weathering tests.

With globally stocked spare parts and professional commissioning support, downtime is minimized and testing continuity is fully protected.

Request Technical Specifications or Quotation
Contact LIB industry for Your UV Accelerated Weathering Testing Solution

LIB Team will send you specs and quote today.