ZR-PMSC-3 foam horizontal and vertical combustion tester
1、 Applicable scope
This foam horizontal and vertical combustion tester is applicable to evaluating the horizontal combustion performance of small foam plastic samples with density less than 250kg/m3 measured according to ISO 845:1985 in small flame under laboratory conditions. (Classification method for HF-1, HF-2 vertical combustion, and HBF horizontal combustion based on UL94 standard differentiation)
2、 Related technical parameters
1. Environmental temperature: -10 ℃ to 30 ℃;
2. Relative humidity: ≤ 85%;
3. Power supply voltage and power: 220V ± 10%, 50Hz, power less than 100W;
4. Microcontroller control, automatic timing reading, and automatic display of test related time.
5. Bunsen lamp material: brass, inner diameter: 9.5mm ± 0.3mm. Bunsen lamp can tilt within the range of 0-45 °;
6. Bensheng lamp blue flame height: 15mm-100mm adjustable, equipped with flame height ruler;
7. Vertical adjustment distance of sample holder: ≤ 100mm Horizontal adjustment distance of sample holder: ≤ 70mm;
8. The Bunsen burner automatically ignites, and the ignition time can be set arbitrarily. The burner can be controlled and moved automatically;
9. Gas source: Industrial grade methane gas, with a concentration not less than 98% and a calorific value of (37+1) MJ/m ³， A regulator and pressure gauge are required to ensure uniform airflow. Other calorific values are (37+1) MJ/m ³ The mixed gas source or calorific value is (94+2) MJ/m ³ Propane gas can also yield similar results. When there is controversy, industrial grade methane gas should be chosen. Note: The gas source and connecting head are provided by the user themselves
10. External dimensions: width 1160mm x depth 600mm x height 1310mm (including feet) mm;
11. Combustion test area volume: ＞ 0.5 cubic meters, length * width * height approximately 900mm x 590mm x 1050mm, black background, background illumination ≤ 20Lux
3、 Applicable standards
Design standard: GB/T8333-2008 Test method for flammability of rigid foamed plastics Vertical burning method
Applicable standard: GB8332/ISO9772 Test method for flammability of foamed plastics Horizontal burning method
ISO 97738 Plastics - Determination of combustion performance of vertical soft specimens in contact with a small flame source
ASTM D 3014-04a Test method for flame height, burning time and mass loss of rigid thermosetting foamed plastics
