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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.




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.
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.


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.



Technical Data Sheet

Properties Unit Grade Paper Phenolic Paper Phenolic Paper Phenolic Paper Phenolic Paper Phenolic Paper Phenolic
IS 2036:1995 P1 P2 P3 P4 P3 P4
NEMA LI 1-1983 XP XXP XXXP XXXXP FR 1 FR 2
IEL IP 5001 IP 5002 IP 5003 IP 5004 IP - 222 IP - 444
Mechanical Properties
Cross Breaking Strength kgf/cm2 1540 1490 940 845 940 845
Tensile Strength kgf/cm2 1006 815 672 650 672 650
Shear Strength kgf/cm2 990 840 731 690 731 690
Compression Strength kgf/cm2 890 869 870 925 870 925
Impact Strength kgf/cm 5.2 4.10 3.01 2.08 3.01 2.08
Electrical Properties
Electrical Strength (Flatwise) KV - Complies Complies Complies Complies Complies
Electrical Strength (Edgewise) KV - Complies Complies Complies Complies Complies
Insulation Resistance M.ohms 10 95 2500 25000 2500 25000
 
Water Absorption mg 90 230 20 7.0 20 7.0
Specific Gravity 1.34 1.36 1.35 1.34 1.35 1.34
Flame Resistance Class Class 1 V 0