V-O与VTM-0讨论

gadmei

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Dear All：
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？

清水白菜

% {' Y5 C* K0 U/ b: ~# z: x

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	-	-

& L  O4 ^6 g7 [9 k& s
% f7 [/ o2 v) \. ^& f

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	-	-

( f8 o7 ~' {- 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；
% E! u7 |% b: Z; P5 o3 e+ ]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。
! X0 L& x3 z1 H# p$ WNOTE 1 When applying the requirements in this standard, HF-1 CLASS FOAMED MATERIAL is regarded as better than
3 }& i3 U0 I- ?: }HF-2 CLASS, and HF-2 CLASS better than HBF CLASS.
NOTE 2 Similarly, material of 5VA CLASS is regarded as better than 5VB CLASS, 5VB CLASS better than V-0 CLASS,
V-0 CLASS better than V-1 CLASS, V-1 CLASS better than V-2 CLASS, V-2 CLASS better than HB40 CLASS and
! k8 P9 i# H% @% M+ Z0 OHB40 CLASS better than HB75 CLASS.
NOTE 3 Similarly, MATERIAL of VTM-0 CLASS is regarded as better than VTM-1 CLASS and VTM-1 CLASS better than
VTM-2 CLASS.
NOTE 4 VTM-0 CLASS, VTM-1 CLASS and VTM-2 CLASS MATERIALS are considered to be equivalent to V-0 CLASS,
* @" y( {# Q. o' y2 x- aV-1 CLASS and V-2 CLASS MATERIALS, respectively, but only for their flammability properties. Their electrical and
mechanical 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.

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；
3 M. H! [- j/ d5 H4 L# w. A% v60950-1里有说到Flammab ...

谢谢LZ，很详细