UIC 564-2 45-Degree Combustion Test Chamber
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | UIC-5 |
| Pricing | Available Upon Request |
Overview
The UIC 564-2 45-Degree Combustion Test Chamber is a precision-engineered apparatus designed to evaluate the flame propagation behavior and after-flame duration of textile materials used in railway passenger rolling stock interiors. It operates in strict accordance with internationally recognized fire safety standards—including UIC 564-2 (International Union of Railways), TB/T 3237 (Chinese National Railway Standard), and complementary provisions of EN 45545-2 for rail vehicle interior materials. The test principle is based on controlled-angle flame impingement: a calibrated Bunsen burner applies a defined propane or butane flame at a fixed 45° angle to vertically mounted fabric specimens under standardized ambient conditions. Flame spread rate, after-flame time, after-glow time, and char length are quantitatively assessed to determine compliance with fire performance classifications (e.g., HL1, HL2, HL3 per EN 45545-2). This chamber is not a general-purpose flammability tester; it is purpose-built for regulatory conformance testing in rail transport certification workflows.
Key Features
- Fixed 45° specimen mounting configuration aligned with UIC 564-2 Clause 6.2 and TB/T 3237 Section 5.1, ensuring geometric fidelity to standard test geometry.
- Dual stainless-steel specimen holders with precision-machined clamping surfaces—designed to secure coated and uncoated woven fabrics (e.g., curtains, seat covers, wall linings) without slippage or thermal distortion during exposure.
- Adjustable Bunsen burner assembly supporting both 45° and 90° flame orientation modes, enabling cross-standard verification (e.g., vertical flame tests per ISO 6941 or ASTM D6413 where required).
- Integrated flame height gauge with ±1 mm resolution for real-time verification of 40 mm ± 2 mm flame height—critical for repeatability across laboratories and audit readiness.
- High-reliability electric spark ignition system eliminating pilot flame variability and reducing operator intervention.
- Automated gas cutoff solenoid valve triggered precisely at 30 s ± 0.5 s post-ignition—programmed to comply with timing tolerances specified in UIC 564-2 Annex A and TB/T 3237 Clause 6.3.2.
- Stainless-steel combustion chamber interior with removable ash tray and rear exhaust port compatible with laboratory fume hood integration (duct velocity ≥0.5 m/s recommended).
Sample Compatibility & Compliance
The chamber accommodates flat textile specimens measuring 560 mm × 170 mm (per UIC 564-2), including flame-retardant cotton, polyester blends, polyamide upholstery fabrics, and laminated composites used in rail cabinetry. Specimens may be tested in conditioned state (23 °C ± 2 °C, 50 % RH ± 5 % RH per ISO 139) or as-received, depending on applicable standard requirements. All mechanical and thermal components meet CE marking directives for laboratory equipment (2014/35/EU Low Voltage Directive, 2014/30/EU EMC Directive). Test reports generated using this system support traceable compliance documentation for TSI PRM (Technical Specification for Interoperability – Persons with Reduced Mobility) and national type-approval submissions to CRCC (China Railway Certification Centre) or notified bodies such as TÜV Rheinland or Dekra.
Software & Data Management
This is a manually operated, non-automated test chamber—no embedded software or digital data logging is integrated into the base unit. However, it is fully compatible with third-party GLP-compliant data acquisition systems. Users commonly integrate high-speed thermal imaging cameras (e.g., FLIR A655sc) and synchronized stopwatch modules connected via USB or TTL trigger outputs to record flame front progression and after-flame duration with millisecond resolution. Audit trails—including operator ID, specimen lot number, environmental log (temperature/humidity), and flame-on/off timestamps—must be maintained in external electronic lab notebooks (ELN) compliant with 21 CFR Part 11 requirements when used in regulated quality assurance environments.
Applications
- Fire safety qualification of interior textiles for high-speed EMUs, metro trains, and intercity coaches prior to CRCC or EU Notified Body certification.
- QC screening of incoming fabric batches against contractual flame retardancy specifications (e.g., “UIC 564-2 Class 1” or “TB/T 3237 Level A”).
- Root-cause analysis of flame failure modes—e.g., delamination-induced melt-dripping in coated substrates or edge ignition sensitivity in cut specimens.
- Supporting R&D validation for novel intumescent coatings or phosphorus-based flame retardants targeting HL2 classification under EN 45545-2.
- Training and proficiency testing for fire test technicians accredited under ISO/IEC 17025:2017 (clause 6.3.3 on equipment competence).
FAQ
Does this chamber support automatic data capture or digital reporting?
No—the UIC 564-2 45-Degree Combustion Test Chamber is a manually operated physical test rig. All measurements (flame duration, char length) must be recorded externally by trained personnel.
Is calibration of the flame height gauge traceable to NIST or CNAS standards?
Yes—supplied gauge includes calibration certificate issued by an ISO/IEC 17025-accredited metrology lab, with uncertainty ≤ ±0.8 mm (k=2). Recalibration is recommended annually.
Can the chamber be used for plastics or foam materials?
Not without method adaptation and formal validation. UIC 564-2 and TB/T 3237 apply specifically to flexible textiles. Testing non-textile substrates requires deviation justification and inter-laboratory correlation per ISO 5659-2 or UL 94 protocols.
What gas supply specifications are required?
Propane (≥95 % purity) or butane (≥99 % purity) at 30–50 kPa inlet pressure; supply line must include flashback arrestor and pressure regulator meeting EN ISO 2503.
Is the unit supplied with test report templates compliant with UIC 564-2 Annex B?
Yes—a standardized Excel-based reporting template is provided, pre-formatted to capture all mandatory fields: specimen identification, environmental conditions, flame application time, after-flame time, after-glow time, char length, and pass/fail determination per Table 1 of UIC 564-2.
