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     Technical Data  Paper Based Industrial Laminates Grade P4
GRADE LPP04 (P4)
COLOUR

Sheets are supplied in Natural  Brown Color.

THICKNESS 0.5 MM - 12.7 MM.
DESCRIPTION

These are paper Based Laminates confirming to specification, as per IS:2036, GRADE P4, having excellent electrical properties even under humid conditions. This material has got very low water absorption and is suitable for high frequency applications.

SIZE

These sheets are supplied in standard size of  2440mm x 1220mm,    1220mm x 1220mm  or  1220mmx 610mm  or  610mm 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 Kgfkm2   607   --
Compressive Strength  %   0.8   2.5
Flexural Strength /Cross 
Breaking Strength		 MPa   95   70
Shear Strength  Mpa   72   60
Specific Gravity   1.35   --
   
Electrical
Insulation Resistance after 
immersion in water for 24hrs. at 20șC 		Meg Ohms 30000 30000
Electrical strength in oil at 90șC
* Flat wise (1.0 mm Thickness) Kv/mm 15 11.8
* Edgewise (3.0 mm Thickness) Kv 40 30
Water Absorption: (Specimen size -50 ± 1 mm square)
* Thickness
mm 1.0 3.0 6.0 12
* Maximum Values
mg 40 50 60 66
* Typical Value  Results
mg 32 39 43 50
SPECIFICATIONS MET:   IS2036-P4 BS:2572:GRADE P4 EN 60893-3-4-PF CP204
                                       DIN:7735 GRADE HP 2062.8
                                       NEMA:L1 I 1989 GRADE XXXP.
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