Jiubin JB-3500F Carbon Black Content Analyzer for Polyethylene and Thermoplastic Polymer Pellets
| Brand | Jiubin |
|---|---|
| Model | JB-3500F |
| Origin | Shanghai, China |
| Instrument Type | Thermal Gravimetric Analyzer (TGA-based) for Polymer Additive Quantification |
| Compliance | ASTM D1606, ISO 6964, GB/T 13021, USP <467> (residual solvent context), GLP-ready architecture |
| Sample Form | Granules, pellets, powder, film fragments |
| Temperature Range | Ambient to 950 °C |
| Heating Rate | 0.1–100 °C/min |
| Balance Resolution | 0.01 mg |
| Atmosphere Control | Dual-gas (N₂/air) switching module |
| Data Output | CSV, PDF, XML |
| Software | Jiubin TGA Pro v3.2 (21 CFR Part 11 compliant audit trail, user role management, electronic signature support) |
Overview
The Jiubin JB-3500F Carbon Black Content Analyzer is a dedicated thermal gravimetric instrument engineered for the precise quantification of carbon black loading in polyethylene (PE), polypropylene (PP), ethylene-propylene-diene monomer (EPDM), and other thermoplastic polymer matrices. It operates on the principle of controlled pyrolysis under inert (N₂) and oxidative (air/O₂) atmospheres, enabling sequential mass loss differentiation between volatile organics, polymer backbone decomposition, and residual inorganic filler—specifically carbon black. Unlike generic TGA systems, the JB-3500F integrates application-specific calibration protocols, pre-programmed ASTM D1606 and ISO 6964 test methods, and automated atmosphere-switching logic to isolate carbon black mass fraction with high reproducibility (RSD < 1.2% at 25 wt% loading). Its design targets QC laboratories in polymer compounding, cable manufacturing, automotive component suppliers, and regulatory testing facilities requiring traceable, auditable results aligned with international polymer characterization standards.
Key Features
- Automated dual-atmosphere switching system (N₂ → air) synchronized with temperature ramp profiles to ensure complete polymer burn-off while preserving carbon black integrity
- High-stability microbalance (0.01 mg resolution) housed in thermally shielded enclosure with active drift compensation
- Programmable heating rates from 0.1 to 100 °C/min, supporting both rapid screening and high-resolution kinetic analysis
- Integrated ceramic crucible handling with automatic lid actuation to minimize operator-induced variability
- Pre-loaded method library including ASTM D1606 (carbon black in PE), ISO 6964 (carbon black in rubber), and custom multi-step protocols for blended polymers (e.g., PE/PP blends)
- Real-time mass derivative (DTG) visualization and automatic peak integration for decomposition onset and inflection point detection
Sample Compatibility & Compliance
The JB-3500F accepts standard polymer granules (2–8 mm), milled film fragments, or homogenized powder samples up to 100 mg. Sample geometry is normalized via optional pellet press accessory (JB-PRESS-1) to ensure consistent heat transfer and gas diffusion. The system meets essential requirements for GLP and GMP environments: full 21 CFR Part 11 compliance (electronic signatures, audit trails, user permission tiers), ISO/IEC 17025 traceability documentation support, and compatibility with LIMS integration via ASTM E1384-compliant data export. Validation packages—including IQ/OQ/PQ templates, reference material certificates (NIST-traceable carbon black standards), and uncertainty budget worksheets—are provided per ICH Q2(R2) guidelines.
Software & Data Management
Jiubin TGA Pro v3.2 is a Windows-based analytical suite featuring method-driven workflow control. It supports batch processing of up to 48 samples with auto-recovery after power interruption. All raw thermograms, derivative curves, and final carbon black mass percentages are stored with immutable metadata (operator ID, timestamp, instrument serial, calibration log hash). Audit trail entries record every parameter modification, report generation, and user login event. Export formats include CSV (for statistical process control in Minitab/JMP), PDF/A-2b (archival), and XML (LIMS ingestion). Optional cloud backup and remote monitoring via secure TLS 1.3 connection are available through Jiubin Connect Gateway.
Applications
- Quantitative carbon black verification in PE-based cable jacketing compounds per ICEA T-28-520 and UL 1581
- Batch release testing of conductive polymer composites used in ESD packaging and automotive fuel lines
- Root cause analysis of inconsistent melt flow index (MFI) or tensile strength due to carbon black dispersion variability
- Regulatory submission support for FDA 510(k) or CE marking of medical-grade polymer devices containing carbon black as UV stabilizer
- Research into thermal degradation kinetics of carbon-black-reinforced thermoplastics under simulated service conditions
- Third-party certification testing for ISO 9001:2015 and IATF 16949 quality system audits
FAQ
What standards does the JB-3500F directly support?
ASTM D1606, ISO 6964, GB/T 13021, and DIN 53521 are pre-configured in software; method validation reports align with ISO/IEC 17025 clause 7.2.2.
Can it analyze carbon black in non-polyethylene matrices such as EPDM or TPE?
Yes—customizable pyrolysis profiles accommodate elastomers and thermoplastic elastomers; reference data libraries include EPDM, SBR, and SEBS formulations.
Is external gas supply required?
Yes: certified N₂ (≥99.995%) and compressed air or O₂ are needed; integrated dual-gas manifold includes pressure regulators and flow meters calibrated per ISO 8503-2.
How is calibration verified during routine operation?
Daily auto-calibration uses internal reference weights; quarterly verification employs certified NiCr/NiAl alloy standards traceable to NIST SRM 1977.
Does the system support unattended overnight operation?
Yes—hardware watchdog timer, UPS-integrated power management, and email/SMS alerting (via optional GSM module) ensure robust 24/7 batch execution.
