JBL RADIAL (serv.man5) EMC - CB Certificate ▷ View online
IEC 60950 3rd Ed., 1999
- Page 4 of 14 -
Report No. 152949
Natural materials
- Material
- Permissible
temperature
limit
(ºC)
-
Bituminous compound for filter
-
75, (105) 1)
-
Paper, cotton, silk, other natural fiber and wood
-
90, (105) 2)
-
Oil denatured natural resin
- 105
- Silica
powder
- 500
- Mica
(Hard)
-
500, (600) 3)
-
(Soft)
-
650, (850) 3)
Notes: 1) Value applies to thermal insulating materials.
2) Value applies to materials impregnated with varnish.
3) Value in parenthesis is applied when mechanical external force is absent.
3) Value in parenthesis is applied when mechanical external force is absent.
Mica splittings and untreated mica papers
Lining
Adhesive
Permissible Temperature Limit (ºC)
a b c d e f g
None
X X X X
X
X
X
X
130
155
180; 450, (700) 1);
600, (800) 2)
600, (700) 1); 700, (850) 2)
155
180; 450, (700) 1);
600, (800) 2)
600, (700) 1); 700, (850) 2)
Paper
X X X X 130
Polyethylene
terephtalate
film X 130
Glass fabric
X
X
X
130
155
180
180
Polyester nonwoven fabric,
Polyester woven, and
Polyethylene naphthalate film
Polyester woven, and
Polyethylene naphthalate film
X
X
130
155
Polyamide-imide film,
Aramide film, and
Polymide film
Aramide film, and
Polymide film
X
X
155
180
180
a: with asphalt base
b: with natural resin or denatured natural resin base
c: with ceramic base
d: with oil-denatured synthetic resin, alkyd orthophatalate resin or cross-linked polyester base.
e: with silicon–denatured synthetic resin, isophatalate alkyd resin, telephatalate alkyd resin or epoxy resin.
f: with silicon resin.
g: inorganic
Notes: 1) value applies to hard mica-made heating substrate.
2) value applies to soft mica-made heating substrate.
Remarks: value in parenthesis is applied when mechanical external force is absent.
IEC 60950 3rd Ed., 1999
- Page 5 of 14 -
Report No. 152949
Organic materials (Thermosetting Resins)
Material
Permissible temperature limit (ºC)
laminated melamine resin mixed with glass fiber
75, (100) 1)
moulded lemaine resin mixed with:
cellulose
inorganics
cellulose
inorganics
120
140
laminated phenol resin with:
cotton fiber base
paper base
polyamide cloth base
inorganics
paper base
polyamide cloth base
inorganics
115, (85) 2)
120, (70) 3)
75
140
moulded phenol resin with:
inorganics
others
inorganics
others
150, (160) 1)
140, (150) 1)
moulded melamine phenol resin with the gravity of less
than 1.55
than 1.55
130
moulded urea resin mixed with cellulose
90
unsaturated polyester-casting
120
laminated unsaturated polyester mixed with inorganics
140
moulded unsaturated polyester mixed with:
other than organics
inorganic powder
glass fiber
other than organics
inorganic powder
glass fiber
120
140
155
epoxy resin-casting
120
laminated epoxy resin mixed with:
inorganic
other than inorganics
130, (140) 1)
110, (90) 3)
moulded epoxy resin mixed with inorganics
130
laminated diallyl phthalate resin mixed with inorganics
140
moulded diallyl phthalate resin mixed with:
other than inorganics
inorganic powder
glass fiber
inorganic powder
glass fiber
130
150
155
xylene resin-casting
140
polyamide-imide film
180
laminated silicone resin mixed with inorganics
180, (220) 1)
moulded silicon resins mixed with inorganics
180, (240) 4)
polymide film
210
laminated polymide
190
polybutadiene-casting 120
moulded polybutadiene mixed with inorganics
moulded polybutadiene mixed with inorganics
130
laminated dipheny oxide mixed with inorganics
180
Notes: 1) Values apply to thermal insulating materials.
2) Values apply to materials with a thickness less than 0.8 mm.
3) Values apply to materials with a thickness less than 0.8 mm when treated to retard flame.
4) Values apply to materials used for thermal insulation and to seal outlets of sheathed heating
wires.
IEC 60950 3rd Ed., 1999
- Page 6 of 14 -
Report No. 152949
Organic materials (Thermoplastic Resins)
Material
Permissible temperature limit (ºC)
methacrylic resin, cellulose resin,
cellulose acetate butylate resin, ulcanise, polyethylene
cellulose acetate butylate resin, ulcanise, polyethylene
50
foamed polyethylene compound for insulated conductors,
polyvinyl chloride
polyvinyl chloride
60
polyethylene compound for insulated conductors,
heat-resistant polyvinyl chloride,
cross-linked polyvinyl chloride compound for insulated conductors
heat-resistant polyvinyl chloride,
cross-linked polyvinyl chloride compound for insulated conductors
75
cross-linked polyethylene,
chlorinated polyethylene compound for insulated conductors
chlorinated polyethylene compound for insulated conductors
90
acrylonitrile acrylic rubber styrene resin,
acrylontirile chlorinate polyethylene styrene resin
acrylontirile chlorinate polyethylene styrene resin
55
acrylonitrile styrene resin, acrylonitrile butadiene resin,
acrylonitrile butadiene chlorinated polyethylene resin
:
acrylonitrile butadiene chlorinated polyethylene resin
:
general
: reinforced with glass fiber
55
80
polypropylene : general
: reinforced with glass fiber
105, (85) 3)
110
110
denatured polyphenyle oxide
: general
:
reinforced
with
glass fiber
75
100
100
Polystyrene
50, (70) 1)
polyacetal
: general
: reinforced with glass fiber
100
120
120
polyamide
: general
: reinforced with glass fiber
90
120
120
polycarbonate : general
: reinforced with glass fiber
110
120
120
polyethylene terephtalate
: general
: reinforced with glass fiber
120
130
130
polybutylene terephtalate
: general
: reinforced with glass fiber
120
135
135
heat resistant polyethylene terephthalate film
135
fluorinated polyvinylidene compound for insulated conductors,
polychlorotrifluoroethylene (ethylene-trifluoride resin),
ethylene-tetrafleorethylene copomylene for insulated conductors
polychlorotrifluoroethylene (ethylene-trifluoride resin),
ethylene-tetrafleorethylene copomylene for insulated conductors
150
tetrafluoroethylene hexafluoropropylene resin
200
Polytetrafluoroethylene (ethylene-tetrafluoride)
perflouroalkoxy compound for insulated conductors
perflouroalkoxy compound for insulated conductors
250
aramide(aromatic polyamide paper)
220
Polysulfone
140, (150) 2)
polyethylene naphthalate
155
polyallylate
: general
: reinforced with glass fiber
120
130
130
Notes: 1) Values apply to capacitor dielectrics.
2) Values apply to thermal insulating material
3) Values apply to materials with a thickness of less than 0.8 mm
4) Inorganic materials
3) Values apply to materials with a thickness of less than 0.8 mm
4) Inorganic materials
Inorganic materials
Material
Permission temperature limit (ºC)
glass fiber (only alkaline free)
300
lead glass
380
borosilicate glass
490
quartz glass
800
ceramic
800, (1000) 1)
Note: 1) Value apply to materials used as electric heating elements
IEC 60950 3rd Ed., 1999
- Page 7 of 14 -
Report No. 152949
Rubber compounds
Material
Permission temperature limit (ºC)
natural rubber, polyurethane rubber, ebonite 60
nitrile rubber, styrene butadiene rubber,
chloroprene rubber
nitrile rubber, styrene butadiene rubber,
chloroprene rubber
75
butyl rubber
80
ethylene propylene (diene) rubber,
chlorosulfonated polyethylene rubber
chlorosulfonated polyethylene rubber
90
silicone rubber
180, (200) 1)
Note : 1) Value apply to thermal insulating material and sealing compounds for sheathed heating
elements.
Sleeves, Cloth, Tapes and like
Material
Impergnat or coating
Permission temperature limit (ºC)
rayon, cellulose acetate, vinylon adhesive, oil varnish
105
paper, cotton fabric, silk fabric,
polyamide, polyester fabric,
polyester nonwoven fabric
polyamide, polyester fabric,
polyester nonwoven fabric
oil varnish
105
polyester fabric,
polyester nonwoven fabric
polyester nonwoven fabric
alkyd resin varnish
120
glass fabric
(ditto)
130
paper Iso
or
terephtalate
alkyd resin varnish,
epoxy resin varnish,
alkyd resin varnish
epoxy resin varnish,
alkyd resin varnish
105
polyester fabric,
polyester nonwoven fabric
polyester nonwoven fabric
(ditto) 120
glass fabric, aramide paper
Iso or terephtalate,
alkyd resin varnish,
epoxy resin varnish
silicone resin varnish,
silicone rubber
alkyd resin varnish,
epoxy resin varnish
silicone resin varnish,
silicone rubber
155
180
180
vulcanised fiber
105
heat resistant fiber
120
4.7.3.2
Addition:
Add the following in 7th paragraph.
- for thin materials, e.g., flexible printed boards, etc.,
used inside equipment, be of FLAMMABILITY CLASS
VTM-2 or better.
used inside equipment, be of FLAMMABILITY CLASS
VTM-2 or better.
Considered.
N/A
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