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     Technical Data  (Paper Based Industrial Laminates Grade (P3))
GRADE LPP03 (P3)
COLOUR

Sheets are supplied in light brown colour.

THICKNESS 0.8 MM - 50.0 MM.
DESCRIPTION

These are Paper Based Laminates confirming to specification, as per IS:2036, GRADE P3. These Laminates  have good electrical and adequate mechanical Properties with very low water absorption which makes them suitable for high voltage electrical application even under tropical conditions. These can be supplied with additional layers of Melamine overlay surface  at both the sides for improved tracking index.

SIZE

These sheets  are supplied in standard size of  2440mm x 1220mm  or  1220 x 1220mm or 1220 x 610 or 610 x 610mm.

TOLERANCES

Sheets are supplied as per tolerance specified in IS:2036. Material can be supplied with still closer tolerance as per customers requirement.

Properties Units     Average
Test Results
 Value As Per
IS:2036 -1995
Mechanical
Tensile Strength Kg/cm2   600   --
Flexural Strength /Cross 
Breaking Strength
MPa   110   70 Min
Shear Strength  MPa   80   50Min
Impact Strength (Edgewise)
(Charpy Method)
KJ/m2   5.5   --
Specific Gravity   1.36   --
Electrical
Insulation Resistance after 
immersion in water for 24hrs. at 20șC
Meg Ohms   5000   1000
Electrical strength in oil at 90șC
* Flat wise (3.0 mm Thickness) Kv/mm   8.5   6.4
* Edgewise (5 mm Thickness) Kv   40   25
Water Absorption: (Specimen size -50 ± 1 mm square)
* Thickness
mm 0.8 3.2 12.0 25.0
* Maximum Values
mg 67 90 162 219
* Typical Value  Results
mg 48 72 108 178
SPECIFICATIONS MET:   BS:2572:GRADE P3/1  EN 60893-3-4-PF CP206
                                       DIN:7735 GRADE HP 2061.6
                                       NEMA:L1 I 1989 GRADE XXX.
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