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The yellowing resistance test box is used to simulate the ultraviolet radiation and heat of the sun. The sample is exposed to ultraviolet radiation and temperature in the machine

The function of the yellowing resistance test box is to simulate the ultraviolet radiation and heat of the sun. The sample is exposed to ultraviolet radiation and temperature in the machine. After a period of time, observe the degree of yellowing resistance of the sample (it is generally believed that the material tested in the box for 3 hours at 70 ℃ is equivalent to the yellowing effect in the natural environment for 2 months). The stained gray mark can be used as a reference to determine the yellowing grade, The yellowing resistance test box can also be used as a heat aging test machine and oven, showing the function of one machine for multiple purposes

Reference standard:

GB/T18830 Textiles - Evaluation of UV Resistance

ASTM D1148 Standard Test Method for Rubber Aging

ISO8580 Rubber and plastics hoses - Determination of resistance to ultraviolet radiation under steady state

technical parameter

temperature range

Room temperature+5 ℃～ 200 ℃

Internal dimension W × H × D(cm)

fifty × sixty × fifty

External dimension W × H × D(cm)

seventy × one hundred and twenty-two × sixty-five

Temperature accuracy

±0.3℃

temperature distribution

±1%

temperature control

Electronic LED digital display, PID automatic digital microprocessor temperature controller

time control

0～9999 h/min/s

Experimental stand

The rotating speed is 1~10rpm, which can be adjusted, and the single-layer turntable;

Internal material

SUS mirror stainless steel

External material

Special cold-rolled steel plate, rust-proof treatment, with high-grade resin paint coating

Safety device

Overtemperature protection, leakage protection, current overload protection

Standard attachments

2 sets of adjustable stainless steel diaphragms

Power Supply

four φ 220V/50Hz 4.5KW