KY401A aging box is used for thermal oxygen aging test of rubber, plastic products, electrical insulation materials and other materials Product Description: KY401A aging box is used for thermal oxygen aging test of rubber, plastic products, electrical insulation materials and other materials Technical Parameter: 1. The highest operating temperature: 200℃ 2. Temperature control accuracy: ±1℃ 3. Uniformity of temperature distribution: ±1% forced air convection 4. Air exchange rate: 0～100 times/hour 5. Wind speed: <0.5m/s 6. Power supply voltage: AC220V 50HZ 7. Studio size: 450×450×450 (mm) 8. Model: 401A, 401B