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     Fabric Based Industrial Lamination (NEMA -Grade - L)
GRADE NEMA - L
COLORS

Sheets are supplied in natural colour, but can also supplied a per
requirement i.e., Dark Brown or Black Colour.
THICKNESS 0.015" -   2"(can manufacture upto  4" thickness also)
DESCRIPTION

Grade  L is manufacture from medium weave cotton fabric. The material of this grade has a superior machining and punching properties and better resistance of chemicals. This grade is suitable for small gears and other fine machining applications .This grade does not have controlled electrical  properties and its use for Electrical application is not recommended.
Size 1220 x 1220 (48" x 48")  /  2440 x1220   (96" x  48")
(With an extra margin ¼" on both the sides)
Tolerances Thickness Tolerance as per NEMA STANDARD
S.No.          Properties   Units

Test
Methods
ASTM

  Condition 

Average
Test
Results

 VALUES AS
 PER NEMA
 LI 1-2001
      MECHANICAL
1. Tensile strength
  LW      ksi        D229 A           15.0              13.0
  CW             10.5              9.0
2. Flexuralstrength (½" Thick)
  LW      ksi        D229 A           16.4              16.0Min
  CW                15.5              15.0Min
3. Izod Impact (½" Thick)  
    ft-lb/in        D229 E.48/50            1.37              1.35
    (notch)              1.25              1.10  
4. Bondingstrength (½" Thick)     lbs        D229        A                   1675              1600
D48/50           1525              1500
5. Maximum Water
Absorption (½" Thick)     %        D229  D-24/23             0.7              0.9Max
6.    Density   gm/cc         -- --             1.36              1.36
     ELECTRICAL
7. Min. Breakdown    Kv        D229 A              20              15.0Min
voltage (¼" Thick)
Ref : NEMA Std. LI 1-2001
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