GB/T 20284,EN 13823 Single Burning Tester (SBI) For Building Materials And Products flammability test method
Test method for determining the reaction to fire performance of building materials and products (excluding flooring) and products specified in European Commission Resolution 2000/147/EC.
EN 13823 Fire response test for building products - Thermal attack of building products other than flooring by a single burning article
GB/T 20284 Single burning test for building materials and products
||AC 220V 50HZ
||5 ~ 35 ℃
||20% ~ 80%
||0 ~ 250 kpa
The test device includes test chamber, control room, dolly, exhaust duct, data acquisition and analysis device, and air supply control device.
1. test chamber: L3000*W3000*H2400(MM), connected with extraction and exhaust ducts at the top of the test chamber, with space for natural gas to enter and exit the blowing trolley.
During the test, the combustion heat release and combustion products of the sample can be discharged from the exhaust duct.
with the brick building.
2. ignition source, 31kw propane sandbox burner placed in the corner of the vertical rectangular box of the cart (two equal sides 0f 250mm, height 80mm);
3. Exhaust pipe with a universal measuring section for placing sensors and sampling tubes;
4. Exhaust velocity: 0.50 m3 /S~0.65 m3 /S;
5. Test chamber ambient temperature measurement: k-type sheathed thermocouple diameter 2mm, ambient pressure test accuracy: ±200Pa;
6. flue temperature measurement: 0.5mm diameter k-type sheathed thermocouple;
7. temperature measurement accuracy:0.5℃;
8. Flue high-precision pressure sensor accuracy: ±2Pa;
9. Time recording system accuracy: 0.1S;
10. Test time: 1 ~ 30 minutes can be set;
11. smoke density measurement system for measuring the smoke density during the test;
12. gas analyzer, key components are imported.
13. optional embedded computer and 8.4 inch LCD monitor with TCP / IP and RS-232 communication interface;
14. oxygen measurement:
(1) Measurement range:0-25%
(2) Signal output: 4-20mA;
(3) Response time T90:≤2S;
(4) Ambient temperature: 0-45℃;
(5) Relative humidity: <90% (non-condensing);
(6) Linearity:±0.1% O2;
(7) Zero drift: 0.05% O2/week;
(8) Repeatability:<±0.02% O2;
15. carbon dioxide (CO2) measurement:
(1) Measurement range:0 - 10%;
(2) Repeatability: ±1% of the internal structure of the control cabinet;
(3) Zero point drift: ≤2% / week;
(4) Span drift: ≤2% /week;
(5) Linearity deviation:<±1%;
(6) Response time:T90≤2sec;
16. record data acquisition system can collect oxygen concentration, carbon monoxide concentration, temperature, smoke density, exothermic rate, mass loss rate and other data, and can be store.
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