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UV Light Degradation Chamber

Name: UV Light Degradation Chamber
Brand: Xi'an LIB Environmental Simulation Industry

The LIB industry UV Light Degradation Chamber accelerates material aging using high-intensity UV light, combined with precise temperature control, high humidity, and water spray simulation.

It enables fast and reliable evaluation of UV resistance, color stability, and material durability under controlled laboratory conditions.

The chamber operates at temperatures from ambient to 90 °C, with ≥95% RH humidity and programmable spray cycles, effectively reproducing real outdoor exposure environments such as sunlight, heat, moisture, and rain.

Equipped with 8 fluorescent UV lamps (290–400 nm) with a service life of up to 5,000 hours, the irradiation intensity can be flexibly adjusted within 0.15–1 W/m²·nm, allowing test conditions to be precisely set according to different standards and material requirements.

LIB industry provides both standard and customized UV light degradation chambers, backed by a 3-year warranty and long-term technical support.

Model: UV-SI-260

Standard: ISO 4892-3, ISO 4892，ISO 11507,ASTM G154,ASTM D4329,JIS D0205,SAE J2020

LIB Industry UV Light Degradation Chamber Video

Features and Benefits of UV Light Degradation Chamber

Multiple UV wavelength options

Selectable UVA (315–400 nm) and UVB (280–315 nm) lamps accurately simulate different sunlight conditions, allowing you to select the appropriate UV spectrum based on material type, test standard, and aging objective.

Integrated environmental control

Precisely coordinated control of UV light, temperature, humidity, and water spray enables stable and repeatable weathering cycles, ensuring consistent test results across long-term and comparative studies.

Accelerated aging efficiency

High-intensity UV exposure significantly shortens aging cycles, helping you identify material degradation trends earlier, reduce validation time, and accelerate product development and qualification.

Flexible specimen configuration

Customizable workroom sizes and specimen holders—including standard flat panels and tailored 3D fixtures—support a wide range of sample geometries, making the chamber suitable for both standard testing and real-product evaluation.

UV Light Degradation 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 Light Degradation Chamber

① Control system	The light, temperature, humidity, spray and other test conditions are precisely controlled and adjusted. With touch screen man-machine interface, the operation is intuitive and convenient, which can be used for parameter setting, data recording and viewing.
② Test sample area	Aluminum panels with rings,each specimen size is 75mm*150mm, can hold 52 pieces of specimens.
③ Radiometer	Measure the UV light degradation radiation intensity in the UV aging test chamber for calibration and adjustment.
④ Black panel	BPT= The temperature transmitted by hot air (working room) + The temperature produced by irradiation by a light source BPT represents the highest possible temperature for the sample.
⑤ Water spray system	Simulate rain in the natural environment, reproduce the impact of rain on the product, and evaluate the weatherability of the material in complex environments such as dry and wet alternations.
⑥ Lighting system	UVA-340 or UVB-313 lamps can simulate the ultraviolet part of sunlight, which is suitable for aging test of different materials.
⑦ Heating system	Tank type heating, so that the temperature distribution inside the chamber is uniform.

Frequently Asked Questions – UV Light Degradation Chamber

Q1: Which UV lamp should I choose for my material testing—UVA or UVB?
UVA lamps (such as UVA-340) closely simulate natural sunlight and are widely used for plastics, coatings, rubber, and automotive materials.
UVB lamps (UVB-313) deliver higher-energy radiation for accelerated or worst-case aging evaluations.
LIB industry can recommend the optimal lamp type and test configuration based on your material, standard, and target service life.

Q2: Can the test parameters be adjusted to match our internal or industry standards?
Yes. UV irradiance, temperature, humidity, and water spray cycles are fully programmable and repeatable.
The chamber supports test profiles in accordance with ASTM, ISO, JIS, as well as customized enterprise specifications.

Q3: How is long-term test accuracy and repeatability ensured?
The system includes a UV radiometer for irradiance monitoring and calibration, ensuring stable output during extended aging tests.
Combined with precise temperature and humidity control, this guarantees reliable and comparable test results over time.

Q4: Can the chamber handle non-standard samples or special test requirements?
Yes. LIB industry offers custom workroom sizes, 3D specimen holders, and fixture designs for irregular or oversized samples.
Share your sample dimensions or test goals with us, and we will propose a suitable configuration.

Q5: What support is included after installation?
Every UV light degradation chamber is supplied with a 3-year warranty, professional commissioning, and long-term technical support.
Remote assistance and fast-response service help minimize downtime and ensure continuous testing.

Looking to shorten your weathering test cycle or validate UV resistance more efficiently?
Contact LIB industry to inquiry@libtestchamber.com discuss your application and receive a tailored test solution.

LIB Team will send you specs and quote today.