Description Overview Air ventilation aging test chamber used to test material characteristics for wire type, skin type, plastic, rubber, and cloth. Equipped with a special ventilation regulator to maintain fresh air inside when heating. Standards UL1581 sect 420.9 ASTM D5374 ASTM D5423 ASTM D2436 CNS3556 CNS742 JIS7212 JIS B7757 Specifications Inner size: 450 x 450 x 500 mm Outer size: 1050 x 870 x 1550 mm Turntable diameter: 250 mm Temperature range: RT+10°C to 200°C (300°C) Temperature fluctuation: ±0.5°C Temperature uniformity: ±2.0°C Ventilation time: 1 min to 99 h adjustable Ventilation times: 2 to 100 times per hour