Flame retardant paper and board burning tester

The Flame Retardant Paper and Board Burning Tester is a critical instrument for evaluating the fire safety of paper and cardboard materials treated with flame retardants. This testing is crucial across various industries, including packaging, construction, and textiles, to ensure that these materials meet stringent fire safety standards and regulations, ultimately reducing the risk of fire hazards and property damage. The tester helps in quantifying the effectiveness of flame retardant treatments by measuring how these materials behave when exposed to a controlled flame source.

There are several standardized test methods employed to assess the flame retardant properties of paper and board. These methods often involve exposing samples to a direct flame under specific conditions, either in a vertical or horizontal orientation. In a vertical burning test, a paper sample is held vertically, and its bottom edge is ignited. The tester then measures parameters like the flame propagation speed, the duration of afterflame and afterglow, and the char length. Conversely, a horizontal burning test involves positioning the paper sample horizontally and applying a flame to one of its edges, followed by measurements of the flame spread rate and burning time. Specialized tests, like the Horizontal Flame Test (UL 44, 83), apply a flame to a horizontal sample within an enclosure for a specific duration, often with additional indicators like a paper flag to assess the extent of burning.

The standards for flame retardant testing of paper and board vary depending on the application and the region. However, some common standards include those set by organizations like UL (Underwriters Laboratories) and ASTM International. These standards specify the criteria for passing the tests, such as maximum afterflame time, maximum char length, and whether any flaming drips are produced. Compliance with these standards assures consumers and regulatory bodies that the materials have been adequately treated to inhibit or slow down combustion.

The importance of flame retardant paper and board testing cannot be overstated. Untreated paper and cardboard are highly flammable and can contribute significantly to the rapid spread of fire. By using flame retardant treated materials that have undergone rigorous testing, the risk of fire incidents can be substantially reduced. This is particularly important in applications like packaging for hazardous materials, construction where paper-based products might be used in walls or insulation, and in the textile industry for items like disposable garments. The ability of flame-retardant papers to not only resist burning but also potentially act as fire sensors by triggering alarms in early stages further underscores the significance of this testing.

 

Technical parameters:

1. Ambient temperature :-10℃——30℃

2. Relative humidity :{<}85%

3. Power supply voltage and power :220V 10% 50HZ power less than 100W

4. MCU control, digital display automatic timing

5. Manual ignition Bunsen burner on the style flame time 12s, accuracy is 0.01s

6. Afterflame, afterglow time: maximum 0-99M99S

7. The inner diameter of Bunsen burner is 10mm and 0.2mm

8. The Bunsen burner can be tilted in the range of 0-45° （8 gears per 5° gear）

9. Bunsen burner blue flame height :15mm-175mm can be adjusted, equipped with flame height scale

10. Automatic ignition time of Bunsen burner: arbitrary setting

11. Digital display continued flame, burning flame time

12. Gas source: liquefied propane purity {>}95%

13. Appearance size :670x300x800mm

14. Style size :210mmx70mm

15. Weight of the instrument :40kg