MVSS Flammability Tester
The MVSS Flammability Tester is designed to measure the horizontal burn rate of automotive interior materials, including leather, plastics, and textiles, in accordance with U.S. Federal Motor Vehicle Safety Standards (FMVSS). The MVSS series includes MVSS-1, MVSS-2, and MVSS-3 models. MVSS-2 meets FMVSS and SAE standards, while MVSS-3 complies with ISO and JIS standards. The instrument features a flame height adjustment device, timed burner ignition, and automatic gas shut-off for controlled testing.
Applications
(1) Horizontal flame burn testing for automotive interior leather, plastics, and textiles.
(2) Evaluating material flammability and spread rate under controlled laboratory conditions.
(3) Testing compliance of interior components for passenger cars, trucks, and buses.
(4) Quality control and safety verification in automotive manufacturing.
(5) Research and development of new automotive interior materials for flame resistance.
Standards
(1) FMVSS 302: Flammability of Interior Materials (USA)
(2) SAE J369a: Test Method for Flammability of Automotive Interior Materials (USA)
(3) ISO 3795: Road Vehicles — Determination of Burning Behaviour of Interior Materials (International)
(4) JIS D 1201: Flammability Test for Automotive Interior Materials (Japan)
Product Features
(1) Stainless steel burn chamber with high corrosion resistance.
(2) High-temperature tempered glass observation window for safe test monitoring.
(3) Stainless steel sample clamps with measurement scale lines.
(4) Bunsen burner with 9.5 mm nozzle and adjustable flame height.
(5) Electronic timing device for precise burn duration measurement.
(6) Flame height measurement device.
(7) Special drip tray for burned material collection, easy to clean.
(8) Digital temperature display for burn chamber monitoring.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | MVSS-1 / MVSS-2 / MVSS-3 |
| Burn Chamber Material | Stainless Steel |
| Observation Window | High-temperature tempered glass |
| Burner | Bunsen, 9.5 mm nozzle diameter |
| Sample Size | Width 100 mm × Length 356 mm × Thickness ≤ 13 mm |
| Left-side Door | With flame height measurement device |
| Sample Clamp | U-shaped with measurement scale line, heat-resistant wire and pins |
| Power Supply | Single phase, 100 V, 0.3 A |
| Dimensions (W×D×H) | MVSS-1: 46 × 32 × 41 cm; MVSS-2/3: 53 × 25 × 29 cm |
| Weight | MVSS-1: ~19 kg; MVSS-2/3: ~13 kg |
| Flame Height Adjustment | Yes, via rotor flow meter |
| Timing Accuracy | Electronic timing with 0.1 s resolution |
FAQ
Q1: What types of materials can be tested?
A1: The MVSS tester can evaluate automotive interior leather, plastics, textiles, and composite materials.
Q2: How is the flame applied?
A2: A Bunsen burner with 9.5 mm nozzle delivers a horizontal flame; ignition is timed, and gas supply is automatically shut off.
Q3: How is the flame height controlled?
A3: Flame height is adjustable using a rotor flow meter for precise testing conditions.
Q4: Are test results compliant with international standards?
A4: Yes, the MVSS series meets FMVSS 302, SAE J369a, ISO 3795, and JIS D 1201 standards.
Q5: How are samples positioned and secured?
A5: Samples are held by U-shaped stainless steel clamps with measurement scale lines, allowing accurate burn length observation.
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