Technical Data (Fabric Base Industrial Laminates - Grade
F3)
GRADE
LPF - 3 (F3)
COLOUR
Sheets are supplied in natural
color, but can be also supplied as per requirement i.e. Dark Brown
or Black Color.
THICKNESS
0.8 MM - 150.0 MM.
DESCRIPTION
LPF - 3 Grade material is manufactured from coarse weaved, Grey Cotton Fabric. The material of this grade is strong and tough with good machining properties. It is suitable for heavy duty gears and other applications requiring high impact strength.
SIZE
Standard sizes are 2440mm x 1220mm
or 1220mm x 1220mm or 1220mm x 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
Kgf/cm2
700
--
Flexural Strength/Cross
Breaking Strength
Kgf/cm2
1300
1000 Min.
Shear Strength
Kgf/cm2
735
650 Min
Impact Strength (Edgewise)
(Charpy method)
KJ/m2
10.0
8.8 Min
Specific Gravity
1.35
--
Electrical
Electrical strength in oil at 90º C
* Flat wise 1.6 mm Thickness
Kv/mm
1.2
0.72 Min
* Edgewise 3.2mm thickness
Kv
2
1.0 Min
Insulation Resistance after
immersion in water
for 24hrs. at 20º C