UL94 Vertical Burning
Plastic Flame-Retardant Rating Platform
The QM500U vertical burning tester is equipped with an ASTM D5207 standard Bunsen burner and a motorized automatic slide, a 5-channel rotary specimen grip, and an integrated exhaust burning chamber with an auto-sliding door. It supports the full UL94 family: V-0/V-1/V-2 vertical burning, with optional HB horizontal, 5VA/5VB, VTM-0/1/2 thin-material and HBF foam-material tests.
From electronic-component housings to automotive plastic parts - UL94 is the general standard for flame-retardant market access of electronic/electrical products. The vertical burning method applies two 10-second ignitions and measures after-flame time, cotton ignition by drips and other indicators to grade V-0/V-1/V-2.
Designed for plastic flame-retardant rating - full UL94 methods plus a 5-channel grip, compliant electronic/electrical flame-retardant testing.
- ▪UL94 V-0/V-1/V-2 · vertical burning
- ▪ASTM D5207 Bunsen burner · standard flame
- ▪5-channel rotary grip · high efficiency
- ▪Optional 5VA/5VB/VTM/HBF · expandable
- ▪Exhaust burning chamber + auto door · safe
BurnerBunsen burner (original ASTM D5207)
Test Angle20° / 45° / 90° adjustable
Applicable StandardsUL 94, ASTM D635/D3801/D5048/D5207
Overall Dimensions1200(W)×820(D)×2100(H) mm
Burner SlidingAutomatic (up, down); manual (left, right)
Product Highlights
- Full UL94 Methods
- 5-Channel Automatic Grip
- Auto-Sliding Safety Door
- Motorized Burner Slide
- Designed & Made in Korea
- Exported to 90+ Countries Worldwide
- 1-Year Warranty, Lifetime Maintenance