Determination of whether exposure to radiation over an extended period of time produces any appreciable decrease in regular luminous transmittance or any pronounced discoloration of safety glazing material.

Related Standard: GB 15763.3 Safety glazing materials in building- Part 3: Laminated glass

GB/T 5137.3 Road vehicles- safety glazing materials- Test methods for resistance to radiation, high temperature, humidity, fire and simulated weathering.

Technical Data:

1) Working chamber size: 580mm*610mm*610mm

2) Overall dimension (about): 730mm*950mm*1400mm 

3) Sample size: 76mm*300mm, maximum thickness: 30mm, at least 12 pieces samples can be tested at the same time

4) Temperature range: rt10 ℃ ~ + 60 ℃

5) Temperature fluctuation: ≤± 1 ℃

6) Temperature uniformity: ≤± 3 ℃

7) Total power: 3.5kw

8) UV lamp power: 0.75kw

9) Radiation light source: ozone free quartz tube type medium pressure mercury vapor arc lamp (360mm in length by 9.5mm in diameter)

10) Lamp tube: arc length 300 mm ± 14 mm

11) Sample barrel speed: 1-5 rpm

12) Timing control: time setting range: ≥ 100h

13) Cooling mode: air cooling

14) power supply: AC220V / 50Hz