V-O与VTM-0讨论

gadmei

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Dear All：
& A' K8 f" `8 S6 N9 t( [6 G" @V-0和VTM-0材料除了厚度不同外，有什么区别，能否相互代替？
7 n: l- }& S  b! z2 D5 ?

清水白菜

5 _# z, C, m+ S# s2 ]: G5 h

Test Name	Test Method	Units	Tested (mm)	Value
Flammability	ISO 9773, IEC 60695-11-10	Class (color)	0.08	VTM-2 (NC)
			0.13	VTM-0 (NC, BK)
			0.25	VTM-0 (NC, BK)
			0.51	VTM-0 (NC, BK)
			0.63	V-0 (ALL)
			3.0	V-0 (ALL)

Glow-Wire Flammability (GWFI)	IEC 60695-2-12	C	-	-
Glow-Wire Ignition (GWIT)	IEC 60695-2-13	C	-	-
IEC Comparative Tracking Index	IEC 60112	Volts (Max)	-	-
IEC Ball Pressure	IEC 60695-10-2	C	-	-
ISO Heat Deflection (1.80 MPa)	ISO 75-2	C	-	-
ISO Tensile Strength	ISO 527-2	MPa	-	-
ISO Flexural Strength	ISO 178	MPa	-	-
ISO Tensile Impact	ISO 8256	kJ/m2	-	-
ISO Izod Impact	ISO 180	kJ/m2	-	-
ISO Charpy Impact	ISO 179-2	kJ/m2	-	-

Test Name	Test Method	Units	Tested (mm)	Value
Flammability	IEC 60695-11-10, IEC 60695-11-20	Class (color)	0.75	V-1 (BK)
			1.5	V-0 (BK)
			2.5	V-0, 5VA (BK)
			3.0	V-0, 5VA (BK

Glow-Wire Flammability (GWFI)	IEC 60695-2-12	C	-	-
Glow-Wire Ignition (GWIT)	IEC 60695-2-13	C	-	-
IEC Comparative Tracking Index	IEC 60112	Volts (Max)	-	-
IEC Ball Pressure	IEC 60695-10-2	C	-	-
ISO Heat Deflection (1.80 MPa)	ISO 75-2	C	-	-
ISO Tensile Strength	ISO 527-2	MPa	-	-
ISO Flexural Strength	ISO 178	MPa	-	-
ISO Tensile Impact	ISO 8256	kJ/m2	-	-
ISO Izod Impact	ISO 180	kJ/m2	-	-
ISO Charpy Impact	ISO 179-2	kJ/m2	-	-

2 Q+ C/ M) t9 T9 w3 W& Y$ Z* ^9 G以上可见Flammability这一项测试标准不一样，相关标准要求的厚度不一样；
60950-1里有说到Flammability可以等效互换（见加粗部分）, 电气和机械强度方面要具体考虑。
NOTE 1 When applying the requirements in this standard, HF-1 CLASS FOAMED MATERIAL is regarded as better than
/ `+ S* q* {$ \/ }1 y( tHF-2 CLASS, and HF-2 CLASS better than HBF CLASS.
; x* P2 G# M3 q$ P# XNOTE 2 Similarly, material of 5VA CLASS is regarded as better than 5VB CLASS, 5VB CLASS better than V-0 CLASS,
$ Z5 g" A! d; T6 [6 }$ gV-0 CLASS better than V-1 CLASS, V-1 CLASS better than V-2 CLASS, V-2 CLASS better than HB40 CLASS and
% w: x( P4 t! k  Z' OHB40 CLASS better than HB75 CLASS.
; h$ d) x: {  B! n% ^7 n2 I7 mNOTE 3 Similarly, MATERIAL of VTM-0 CLASS is regarded as better than VTM-1 CLASS and VTM-1 CLASS better than
' b$ D4 q) e/ f, WVTM-2 CLASS.
2 P3 S3 V' b8 vNOTE 4 VTM-0 CLASS, VTM-1 CLASS and VTM-2 CLASS MATERIALS are considered to be equivalent to V-0 CLASS,
' d2 F# y7 Z, W5 h5 h7 J9 o/ E6 S7 TV-1 CLASS and V-2 CLASS MATERIALS, respectively, but only for their flammability properties. Their electrical and
/ r9 A, J! r! s( P8 |; y  ]" Ymechanical properties are not necessarily equivalent.
NOTE 5 Certain flammability classes have replaced the classes used in earlier editions of this standard. The
equivalence of the old and the new classes is shown in Table 1B.
) ]8 H/ V0 j. Z0 @! H& b5 f

gadmei

清水白菜 发表于 2012-10-29 16:03
以上可见Flammability这一项测试标准不一样，相关标准要求的厚度不一样；
% ^% h' z1 V. a* l60950-1里有说到Flammab ...

谢谢LZ，很详细