Kite Brand
TUFNOL
Phenolic
Paper laminate
Paper/phenolic
resin laminated
plastic (SRBP -
Synthetic Resin
Bonded Paper)
First
class
electrical
insulation
Kite
Brand
TUFNOL
is a
first
class
electrical
insulating
materials
with
good
dielectric
strength
and high
insulation
resistance.
It has
low
moisture
absorption
and good
mechanical
strength,
although
its
impact
strength
is lower
than
that of
most
other
grades
of
Tufnol.
Kite
Brand
sheet
meets
British
Standard
BS EN
60893-3-4
Type PF
CP 206.
It is
readily
machined
and can
be hot
punched
in
thicknesses
up to
3.2mm.
|
What is
Kite
Brand
used
for?
Kite
Brand is
the most
widely
used of
all
TUFNOL
phenolic
paper
grades,
wherever
a good
quality
general
purpose
electrical
insulation
material
is
required.
It is
used for
a
multitude
of
different
applications
at low,
medium
and high
voltages,
including
such
items as
terminal
boards,
mounting
panels,
tag
strips,
coil
formers,
insulating
sleeves
and
bushes,
busbar
supports,
tool and
instrument
handles,
coil
supports,
insulated
enclosures,
brush
holders,
insulating
spacers
and
special
purpose
plugs
and
sockets.
|
TYPES
AVAILABLE
|
Sheets
|
Rods
|
Tubes
|
Other
sections |
Natural
colour
Kite
Brand
|
Yes |
No
(use
Swan
Brand) |
Yes |
Hollow
sections
only |
Black
Kite
Brand |
Yes* |
|
|
|
|
|
|
|
|
·
Minimum order
quantities may
apply.
Click here for
Kite Brand
TUFNOL STANDARD
SIZES
SPECIFICATIONS
for Kite Brand
TUFNOL
BRITISH
STANDARDS |
Current
Standards |
Recent
Standards
(now
obsolete) |
Sheet |
BS EN
60893-3-4
Type PF
CP 206 |
BS 2572
Type P3
BS 5102
Type 1 |
Round
Tube |
BS EN
61212-3-2
Type PF
CP 32 |
BS 6128
Part 9
Type PF
CP 91 |
Rectangular
Tube |
BS 6128
Part 13
Type PF
CC 131 |
|
NEMA* |
|
|
Sheet |
NEMA
LI-1-1983
Type XXX |
|
Tube |
NEMA
LI-1-1983
Type XXX |
|
Admiralty* |
|
|
Sheet |
NES 2053 |
|
Round
Tube |
NES 2054 |
|
*Testing and
certification to
these standards
is subject to
special
enquiry.
Standard quality
testing is to
British
Standards.
PHYSICAL
PROPERTIES
Kite Brand
TUFNOL Sheet
PROPERTY |
TYPICAL
RESULT |
UNITS |
Cross
breaking
strength |
175 |
MPa |
Impact
strength,
notched,
Charpy |
2.7 |
kJ/m2 |
Compressive
strength,
flatwise |
350 |
MPa |
Compressive
strength,
edgewise |
200 |
MPa |
Resistance
to
flatwise
compression |
1.2 |
% |
Shear
strength,
flatwise |
105 |
MPa |
Water
Absorption |
|
|
- 1.6mm
thk. |
39 |
mg |
- 3mm
thk. |
47 |
mg |
- 6mm
thk. |
56 |
mg |
- 12mm
thk. |
70 |
mg |
Electric
strength,
flatwise
in oil
at 90ºC |
|
|
- 1.6mm
thk. |
14.5 |
MV/m |
- 3mm
thk. |
13 |
MV/m |
- 6mm
thk. |
8.8 |
MV/m |
- 12mm
thk. |
6.1 |
MV/m |
Electric
strength,
edgewise
in oil
at 90ºC |
55 |
kV |
Insulation
resistance
after
immersion
in water |
1x1010 |
ohms |
Loss
tangent
at 1 MHz |
0.037 |
- |
Permittivity
at 1 MHz |
5.1 |
- |
Relative
density |
1.36 |
- |
Maximum
working
temperature** |
|
|
-
continuous |
90 |
ºC |
-
intermittent |
120 |
ºC |
Thermal
classification |
Class E |
- |
Thermal
conductivity
through
laminae |
0.26 |
W/(mK) |
Thermal
expansion
in plane
of
laminae |
1.8 |
x 10-5/K |
Specific
heat |
1.5 |
kJ/(kgK) |
Test methods as
BS EN 60893-2,
where
applicable.
Kite Brand
TUFNOL Round
Tube
PROPERTY |
TYPICAL
RESULT |
UNITS |
Axial
compressive
strength
|
190 |
MPa |
Cohesion
between
layers |
110 |
MPa |
Water
absorption |
1.0 |
mg/cm2 |
Insulation
resistance
after
immersion
in water |
1x109 |
ohms |
Axial
electric
strength
in oil
at 90ºC |
40 |
KV |
Radial
electric
strength
in oil
at 90ºC |
|
|
- 1.6mm
wall |
8 |
MV/m |
- 3mm
wall |
6 |
MV/m |
Relative
density |
1.35 |
- |
Test methods as
BS EN 61212-2,
where
applicable.
**Users of
highly stressed
components at
temperatures
approaching the
maximum are
recommended to
seek further
advice. |