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Paper Phenolic Laminates
Paper Phenolic Laminate sheets are made from
layers of paper, impregnated with specifically formulated phenolic
resins, bonded together under heat and pressure to produce a thermoset
composite. Both paper and resins can be modified to change the finished
properties of the final laminate.
Offers enhanced mechanical, electrical, electrostatic dissipative or
fire performance.
The properties and cost-effectiveness of these products often make them
insulators of choice in low/high-voltage, dry service electrical
equipment.
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| IP-5001 |
| Grade |
P1 |
| Color |
Blackish Voilet/Blackish Brown |
| Thickness Range |
0.8mm - 100mm |
| Characteristics |
- Primarily for mechanical applications
with moderate electrical insulation resistance.
- Suitable for low-tension and non humid conditions. |
| Applications |
- Battery Eliminator Transformer &
Choke Bobbin
- Tube Light ends
- Condenser Mountings
- Control Panel
- Drill back-up & Drill entry etc. |
|
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| IP-5002 |
| Grade |
P-2 |
| Color |
Blackish Red |
| Thickness Range |
0.8mm - 100mm |
| Characteristics |
- Delivers a combination of superior
electrical and mechanical properties.
- Ideal for general electrical applications in dry
atmospheric conditions or in oil. |
| Applications |
- Transformer covers
- C.B. Handles & Side frames
- Distribution boards
- Fuse Holder base etc. |
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| IP-5003 |
| Grade |
P-3 |
| Color |
Natural Translucent or Opaque |
| Thickness Range |
0.8mm - 100mm |
| Characteristics |
- Possesses very good electrical properties even under humid conditions and adequate mechanical properties like low water absorption, machining and hot punching.
- Suitable for high tension electrical applications at power frequencies. |
| Applications |
- Transformers and Choke Bobbins
- Relay
Spacers
- HV Transformer
- Tap Changers
- Grid covers
- Selector Band insulation etc. |
|
|
| IP-5004 |
| Grade |
P-4 |
| Color |
Natural Translucent or Opaque |
| Thickness Range |
0.8mm - 100mm |
| Characteristics |
- Possesses exceptional electrical
properties even under humid conditions, very low water
- Absorption and excellent hot punching properties.
- Specially made for high frequency applications. |
| Applications |
- Cross bar switches
- Meter Fuses
- Band change
- Switch insulation in X-ray equipments etc. |
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Technical Data Sheet
| Properties |
Unit |
Grade |
Paper Phenolic |
Paper Phenolic |
Paper Phenolic |
Paper Phenolic |
Paper Phenolic |
Paper Phenolic |
Paper Phenolic |
|
|
IS 2036:1995 |
P1 |
P2 |
P2/1 |
P3 |
P4 |
P3 |
P4 |
|
|
NEMA LI 1-1983 |
XP |
XX |
XXP |
XXX |
XXXP |
FR 1 |
FR 2 |
|
|
IEL |
IP 5001 |
IP 5002 |
|
IP 5003 |
IP 5004 |
IP - 222 |
IP - 444 |
| Testing
Standard IS 2036:1995 |
| Mechanical Properties |
|
Test Applicable for Thickkness |
IEL AVRRAGE VALUE |
LIMITING VALUE |
IEL VALUE |
LIMITING VALUE |
IEL VALUE |
LIMITING VALUE |
IEL VALUE |
LIMITING VALUE |
IEL VALUE |
LIMITING VALUE |
IEL VALUE |
LIMITING VALUE |
IEL VALUE |
LIMITING VALUE |
| Cross Breaking Strength |
Mpa (min) |
Not less than 1.6 mm |
140 |
130 ( min) |
140 |
130 ( min) |
140 |
130 ( min) |
100 |
85 ( min) |
100 |
70 ( min) |
100 |
85 ( min) |
100 |
70 ( min) |
| Tensile Strength |
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| Shear Strength |
Mpa (min) |
Less than 1.6 mm |
85 |
75(min) |
80 |
70(min) |
80 |
70(min) |
65 |
60 (min) |
65 |
60 (min) |
65 |
60 (min) |
65 |
60 (min) |
| Electrical Properties |
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| Electrical Strength (Flatwise) |
MV/m |
Not more then 3.00 mm |
|
NA |
Complies |
Complies |
Complies |
Complies |
Complies |
Complies |
Complies |
Complies |
Complies |
Complies |
Complies |
Complies |
| Electrical Strength (Edgewise) |
KV |
More than 3.00 mm |
|
- |
Complies |
20 (min) |
Complies |
20 (min) |
Complies |
25 (min) |
Complies |
30 (min) |
Complies |
25 (min) |
Complies |
30 (min) |
| Insulation Resistance |
M.ohms |
Not more than 25 mm |
5 |
1 (min) |
15 |
10 (min) |
150 |
100 (min) |
2500 |
1000 (min) |
35000 |
30000 (min) |
2500 |
1000 (min) |
35000 |
30000 (min) |
| Water Absorption (1.6 mm) |
mg |
(all thickness) |
300 |
478 (max) |
280 |
426 (max) |
100 |
142 (max) |
50 |
76 (max) |
35 |
43 (max) |
50 |
76 (max) |
35 |
43 (max) |
| Specific Gravity |
Grams/CC |
|
1.34 |
1.34 |
1.36 |
1.36 |
1.35 |
1.35 |
1.35 |
1.35 |
1.34 |
1.34 |
1.35 |
1.35 |
1.34 |
1.34 |
| Flame Resistance |
Class |
UL-94 |
N A |
N A |
N A |
N A |
N A |
N A |
N A |
N A |
N A |
N A |
V-1 |
V-1 |
V 0 |
V-1 |
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