1、www.cti-UL 94 S ! q V ? kTest for Flammability of Plastic Materials for Parts in Devices and Applianceswww.cti-CONTENTS(S c = ) Foreword ( - ) Introduction (95 ) Tests ( k ) Marking (S: ) Supplement ( c )www.cti-Scope SSSS S a ! ,q V k S ZE Sj“ O ! M s e k i V K | % 8 !oi a!SB 1 p V d ay e www.cti-T
2、ests ( kk) (1).Horizontal Burning Test;HB s 94HB kA. Test specimens( k“ )1. M , ,* Z T ( V ,H; ,V , ( .2.j 125 5mma z 13.0 0.5 mm14 kKl“ 3.0(-0.0 +0.2) mm“ “ Klv 3mmKvl3.0mm5 V4 3.0mm“ ,“ KvK 13.0mm,Kv zK 13.5mm, V1.3mmbwww.cti-2. T 1 I n a a 9 S5 k“1M8CtSbB. Precondition(“ ) )“ k - 23 2M A 50 5I 48
3、hwww.cti-(2).Vertical Burning Test; V-0, V-1, or V-2(s V-0, V-1, V-2 k )A. Test specimens( k“ )1. M , ,* Z T ( V ,H; ,V , ( .2.j 125 5mma z 13.0 0.5 mm14 kKl“ Kv“ ;“ KvK 13.0mm, TKl“ Kv“ kTB ,514Wj“ ,Wj tV 3.2mm; V1.3mmbwww.cti-B. Precondition(“ ) ) 1. “ k - 232,M A 50 5I 48h. 2. “ k -1b 70 1 b Q 16
4、8h, 2 , ib 4h.www.cti- C.) k www.cti-www.cti-(3).500 w (125 mm) Vertical Burning Test; 5VAor 5VB(5V) k )A. Test specimens( k“ )1. : M , ,* Z T ( V ,H; ,V , ( .2.j :H“ , 125 5mma z 13.0 0.5 mm,4Kl“ ; v“ :150 5mm150 5mm,4Kl“ ,B“ 914 , kTB ,“ KvV 13mm,V 1.3mmwww.cti-B. Precondition(“ ) )1. “ k - 232,M
5、A 50 5I 48h.2. “ k -1b 70 1 b Q 168h, 2 , ib 4h.www.cti- C.) www.cti-(4).Radiant Panel Flame Spread Test( k )A. Test specimens( k“ )1.j : z :(4603mm) (150 3mm),i I nKlKvS . TKlKv kT A1 ,594“ k .2.“ : T 1 I n a a 9 S5 k“ 1M8CtSbwww.cti- B. )www.cti-(5).Thin Material Vertical Burning Test;VTM-0, VTM-1
6、, or VTM-2( k )A. Test specimens( k“ )1.V g 2005mm, z 50 1mm k“ .g“ B 125mm) t zBHL ,“ : 12.7 0.5mm: , 200mm ,i 125mmL , | , V P“ 75mmB = 125mmS:) k5 sW% .www.cti-2. ,5 V , H VZ U , T“ V ,5t T V k . B. Precondition(“ ) ) 1. “ k - 232,M A 50 5I 48h. 2. “ k -1b 70 1 b Q 168h, 2 , ib 4h.www.cti- C.) ww
7、w.cti-(6).Horizontal Burning Foamed Material Test; HBF, HF-1, or HF-2( k )A. Test specimens( k“ )1.V g 1505mm, z 50 1mm k“ ,i I nKlKvS . k“ K 13mm, H; ,V 2mm,V R .2. T 1 I n S514VS “ .3. T1 I nV ,514B V “ V “ 4. T1 I nB T ,514B T“www.cti- B. Precondition(“ ) ) 1. “ k - 232,M A 50 5I 48h. 2. “ k -1b 70 1 b Q 168h, 2 , ib 4h.www.cti- C.) www.cti-Marking (S:S:/SS) A/S: A./ a S &k|B.+Y S Mwww.cti-The End
