Oxygen Bomb Aging Test Chamber JB-4000 (Compliant with GB 4706.1–2005, GB/T 2951.12–2008, GB/T 5013–2008, and VDE Standards)
| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Model | JB-4000 |
| Power Supply | 220 V AC ±10% |
| Max Operating Pressure | 2.5 MPa |
| Burst Pressure | 2.7–3.3 MPa |
| Temperature Control Range | Ambient to 200 °C |
| Temperature Uniformity | ±0.5 °C |
| Chamber Dimensions (W×D×H) | 560 × 420 × 670 mm |
| Bomb Volume | 4000 cm³ |
| Heating Power | 2.4 kW |
| Temperature Display | Digital, Intelligent PID Control |
| Bomb Construction | Inner chamber — AISI 304 stainless steel |
| Safety Features | Adjustable over-temperature alarm (0–200 °C), pressure relief valve, dual interlock lid mechanism |
Overview
The Jiubin JB-4000 Oxygen Bomb Aging Test Chamber is an engineered thermal-oxidative aging system designed for accelerated life testing of polymeric materials under elevated temperature and pressurized oxygen or compressed air environments. It operates on the principle of controlled oxidative degradation—subjecting test specimens to defined thermobaric conditions that replicate long-term service exposure in a condensed timeframe. This methodology is widely accepted in international standards including GB/T 2951.12–2008 (for electric cables), GB/T 5013–2008 (for rubber-insulated cables), and German VDE 0282 series specifications. The chamber complies with the general safety requirements outlined in GB 4706.1–2005 for household and similar electrical appliances, ensuring structural integrity, thermal stability, and operational safety during extended high-pressure cycles. Its compact footprint and integrated safety architecture make it suitable for QC laboratories, R&D centers, and certification testing facilities conducting material qualification per IEC, UL, and CCC regulatory frameworks.
Key Features
- High-precision digital PID temperature control with ±0.5 °C uniformity across the bomb interior, verified per ISO 188 Annex A calibration procedures
- Robust dual-seal oxygen bomb vessel constructed from AISI 304 stainless steel—resistant to oxidation, stress corrosion cracking, and repeated thermal cycling up to 200 °C
- Integrated pressure containment system rated for continuous operation at 2.5 MPa, with certified burst disc protection calibrated to 2.7–3.3 MPa
- Intelligent over-temperature alarm with user-adjustable setpoint (0–200 °C), linked to automatic power cutoff and audible/visual alert
- Low-noise, convection-enhanced heating system (2.4 kW) enabling rapid thermal equilibration and minimal gradient deviation
- Ergonomic front-loading design with mechanical interlock lid—prevents opening under pressure and conforms to EN 61000-6-4 EMC immunity requirements
- Electrostatically coated cold-rolled steel enclosure providing corrosion resistance and mechanical durability in laboratory environments
Sample Compatibility & Compliance
The JB-4000 accommodates standardized test specimens per ASTM D573, ISO 188, and GB/T 2951.12—including wire insulation strips (e.g., PVC, XLPE, EPR), rubber compounding coupons, elastomeric gaskets, and polymer film samples (max. dimensions: 100 mm × 25 mm × 2 mm). Specimen holders are supplied with inert ceramic spacers to prevent contact-induced catalytic oxidation. All operational parameters align with GLP documentation requirements: temperature and pressure logging intervals are configurable, and manual record templates support traceability per ISO/IEC 17025 Clause 7.7. The system meets mechanical safety provisions of GB 4706.1–2005, including dielectric strength testing of control circuitry and grounding continuity verification (≤0.1 Ω).
Software & Data Management
While the JB-4000 operates via standalone intelligent controller (no embedded PC required), its analog output terminals (0–10 V / 4–20 mA) enable integration with third-party data acquisition systems compliant with FDA 21 CFR Part 11. Optional RS485 Modbus RTU interface supports remote monitoring of real-time temperature, elapsed time, and alarm status—facilitating audit-ready electronic records when paired with validated SCADA platforms. Calibration certificates for temperature sensors (PT100 Class A) and pressure transducers (accuracy ±0.25% FS) are provided with each unit, traceable to CNAS-accredited national standards.
Applications
- Accelerated aging of cable insulation and jacketing materials for automotive, aerospace, and building wiring applications
- Thermal-oxidative stability assessment of elastomers used in sealing systems and dynamic components
- Quality conformance testing for rubber compounds prior to extrusion or molding processes
- Material screening for compliance with UL 1581, CSA C22.2 No. 0.3, and IEC 60811-2-1
- Research into antioxidant depletion kinetics and crosslink density evolution under pressurized O₂
- Validation of shelf-life predictions for medical device polymers exposed to sterilization-grade environments
FAQ
What pressure medium options does the JB-4000 support?
It is configured for both pure oxygen (≥99.5% purity) and compressed air (oil-free, dew point ≤−40 °C), with separate inlet filtration and pressure regulation modules.
Is the bomb volume adjustable?
No—the 4000 cm³ internal volume is fixed and optimized for standard specimen loading per GB/T 2951.12. Custom volumes require OEM redesign and recalibration.
How is temperature uniformity verified?
Uniformity is confirmed using three calibrated PT100 probes placed at top/mid/bottom positions inside the bomb during IQ/OQ protocol execution, per ISO 188 Annex B.
Does the system include validation documentation?
Yes—factory IQ/OQ protocols, as-found/as-left calibration reports, and material certificates for all wetted parts (stainless steel grade, surface finish Ra ≤0.8 µm) are shipped with the unit.
Can the JB-4000 be used for nitric oxide or ozone aging?
No—it is not rated for reactive gases beyond oxygen and air. Use requires full hazard analysis, gas compatibility review, and third-party pressure equipment certification.
