DSH 1055

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广东安规检测
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小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

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可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

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GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

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家电温升测试角

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热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

Question
4 {& B( L7 Q0 l4 p! cFor the Standard IEC 60730-1 4th Ed. there is required:
The solvents used are:
+ y5 J6 m/ Y1 \. U4 P6 a) V– neutral liquid detergent blended from alkyl benzene sulphonate and non-ionic detergents;
– petroleum spirit (aliphatic solvent hexane with a content of aromatics of maximum 0,1 volume %, a
  t0 k* t- @# j3 q0 A  `1 p6 RKauributanol value of 29, initial boiling point of approximately 65 °C and dry point approximately 69 °C, and
specific gravity of approximately 0,68 g/cm3); and water.
' e  g) `1 X4 O8 s( W- f0 k1 d4 LFor the standard IEC 60335-1 5th Ed. There is now required:
  _, [$ _* T5 O# \! M0 eThe petroleum spirit to be used for the test is aliphatic solvent hexane.
- For the standard IEC 60598-1 7th Ed. There is required:
NOTE The petroleum spirit used should consist of a solvent hexane with a content of aromatics of
9 Q: i7 f6 q" H& ~- Omaximum 0,1 % by volume, a value of 29 % for kauri-butanol, an initial boiling-point of approximately 65
°C, a dry-point of approximately 69 °C and a densit y of approximately 0,68 g/cm3.
2 j! M- O% n% i7 }, l7 c- Q- For the standard IEC 60950-1 2nd Ed. There is required:
2 a& e( E+ f: S- [, C! ^The petroleum spirit to be used for the test is aliphatic solvent hexane having a maximum aromatics
" F: j$ w- F$ |# _content of 0,1 % by volume, a kauributenol value of 29, an initial boiling point of approximately 65 °C, a dry
8 _6 v$ u( I. Kpoint of approximately 69 °C and a mass per unit vo lume of approximately 0,7 kg/l.
As an alternative, it is permitted to use a reagent grade hexane with a minimum of 85 % as n-hexane.
7 K, M& x# e2 ]! aNOTE The designation “n-hexane” is chemical nomenclature for a "normal" or straight chain hydrocarbon.
This petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent
4 n! m- Q5 h' ^; {! q! q2 d& Bgrade hexane
( p! v9 E; G. `; S7 c0 v(CAS# 110-54-3).
0 H) l: @/ P4 N& |The exact chemical solvent formula is difficult to find in the marketplace.
The various TCs are kindly requested to consider "harmonizing" the solvent accordingly.
Decision
The petroleum spirit to be used for the test is aliphatic solvent hexane. As an alternative, it is permitted to
, j% [! l; c& ]" Yuse a reagent grade hexane with a minimum of 85% as n-hexane.
1 n( s) D$ E& V: N% J7 A" I- ?Note: the designation “n-hexane” is chemical nomenclature for a “normal” or straight chain hydrocarbon.
5 Q. J4 _9 Q0 D4 IThis petroleum spirit may further be identified as a certified ACS (American Chemical Society) reagent
grade hexane (CAS# 110-54-3).
; L$ Q$ {1 W5 {& g9 }4 T" Y

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DSH 1055附件