GB16776-2025 Water Ultraviolet Radiation Test Chamber

Used to test the tensile adhesion of building sealant adhesive after UV irradiation, in accordance with the requirements of JG/T 475-2015 "Silicone Structural Sealants for Building Curtain Walls" and GB16776-2025 6.11.4 "Aging Test for Building Silicone Structural Seals";

Compliant with standards:Used to test the tensile adhesion of building sealant adhesive after UV irradiation, in accordance with the requirements of JG/T 475-2015 "Silicone Structural Sealants for Building Curtain Walls" and GB16776-2025 6.11.4 "Aging Test for Building Silicone Structural Seals";

1、 Main technical parameters

GB16776-2025 Water Ultraviolet Radiation Test Chamber

2、 Box material:

1. The outer shell is made of high-quality (t=1.2mm) A3 steel plate CNC machine tool, and the surface of the shell is sprayed with plastic for a smoother and more beautiful appearance;

2. The inner liner is made of imported (SUS) 304 high-quality stainless steel plate;

3. The insulation material adopts high-density glass fiber cotton and high-pressure polyurethane foam insulation;

4. The mixing system adopts a long axis fan motor and a stainless steel multi blade impeller that is resistant to high and low temperatures to achieve strong convection and vertical diffusion circulation;

5. Double layer high tensile sealing strips with high temperature resistance are used between the door and the box to ensure the sealing of the testing area;

6. Using non reactive door handles makes operation easier;

7. The bottom of the machine adopts high-quality fixed PU movable wheels;

3、 Heating system:

1. Adopting far-infrared stainless steel high-speed heating electric heater;

2. High temperature, independent lighting system (non interfering with each other);

3. The temperature control output power is calculated by a microcomputer to achieve high-precision and high-efficiency electricity efficiency;

4、 Control system:

1. The control instrument adopts an imported 7-inch color touch screen programmable controller, with a large screen, simple operation, easy program editing, and R232 communication port. It can set the display box temperature, sink temperature, and light intensity;

2. Accuracy: 0.01 ℃ (display range);

3. Resolution: ± 0.1 ℃;

4. Temperature sensor: PT100 platinum resistance thermometer;

5. Control mode: Thermal balance temperature regulation mode;

6. Temperature control adopts the coordinated control of the same channel using the P.I.D+S.S.R system;

7. It has the function of automatic calculation, which can immediately correct the temperature and humidity change conditions, making temperature control more accurate and stable;

8. The controller operation interface is available in both Chinese and English, and the real-time operation curve chart can be displayed on the screen;

9. It has a capacity of 100 programs, 100 segments per group, and 999 steps per segment that can be cycled. The set time for each segment is 99 hours and 59 minutes;

After inputting the data and experimental conditions, the controller has a screen lock function to avoid manual touch and shutdown;

11. Equipped with RS-232 or RS-485 communication interface, it can be programmed on a computer to monitor the testing process and perform functions such as automatic power on/off, curve printing, and data processing;

12. The controller has an automatic screen saver function, which better protects the LCD screen (prolonging its lifespan) during long-term operation;

13. Accurate and stable control, long-term operation without drift;

5、 Refrigeration and dehumidification system control:

1. Compressor: Fully enclosed French Taikang unit;

2. Cooling method: single machine cooling;

3. Condensation method: air-cooled;

4. Refrigerant: R404A (environmentally friendly)

5. The entire system pipeline undergoes a 48 hour leak detection test with ventilation and pressurization;

6. The heating and cooling systems are independent;

7. Internal spiral refrigerant copper tube;

8. Fin slope evaporator (with automatic defrosting system)

9. Dehumidification system: using evaporator coil dew point temperature laminar contact dehumidification method;

6、 Protection system:

1. Fan overheating protection 2. Overall equipment under phase/reverse phase protection 3. Refrigeration system overload protection

4. Refrigeration system overpressure protection 5, overtemperature protection 6, leakage protection 7, water shortage protection3、 Related configurations

1. One 300W ultraviolet lamp tube
2. One stainless steel sample holder
3. Inner box material: mirror stainless steel plate
4. Outer box material: steel plate with spray coating on the outer surface
5. 7.0-inch large touchscreen controller with automatic dimming capability
6. One set of installation type irradiation instrument（300～400nm）

After sales service: one-year warranty, lifetime maintenance, regular follow-up, listening to customer suggestions, establishing customer service files;
We promise to provide * and usage guidance services. For customers, we will respond within 1 hour. If technical service personnel need to be sent to the site for resolution, we promise to send personnel within 24 hours (except for special circumstances such as statutory holidays)