Welcome to A. M. Industries

Standard Sheet Size

1500*2000 mm,1500*4000 mm,1500*1500mm,

1500*4500 mm,1500*3000 mm,2000*3000 mm

Thickness

0.25 mm to 3.00 mm(For Non-Metallic Range),

0.80 mm to 3.00 mm(For Metallic Range)

Tolerances Thickness

<1 mm = + 0.10 mm Length+50 mm

>1 mm = + 0.10 % Width+50 mm

All information and recommendations given in this brochure are correct to the best of our knowledge. Since conditions of use are beyond our control,the information provided can only serve as a guideline.Users must satisfy themselves that products are suitable for the intended processes and uses.We reserve the right to change product design and properties without notice.
Should you have any doubts about choice of gasket material,please refer to us.Our Engineering Cell will be happy to assist you.
Graphite Coating & antistick coasting are available on request.
Properties Applicable for 2.0 mm thick material.

Rolite NAM 39 Steel

Aramid Fibre, NBR & Organic Fibre with Meta Gauge Centre
-Water/Oil resistant
-For light to medium loadings
-Suitable for low operating pressure,e.g.transformers, compressors and oil pans in internal combustion engines.

Rolite NAM 37 Steel

Aramid Fibre,Mineral Fibre and NBR with Metal Gauge Centre
-Water/Oil resistant
-For light to medium loadings
-For low operating pressure e.g.transformers,compressors valve covers and oil pans in IC engines

Density gm/cm3

1.50-2.10

1.70-2.10

Tensile Strength
a)Acc tp ASTM F 152(Across Grain) N/mm2
b)Acc to DIN 52910 (Across Grain) N/mm2

> 7
> 5

>8
>5

Compressibility ASTM F 36A %

7-15

Recovery ASTM F 36A %

>40

>50

Fluid Absorption                                            ASTM F 146                         %
         In ASTM Oil NO.3                        AST M F 146                           %
               Increase in Mass
                   Increase in Thickness
         In Fuel B                                               ASTM F 146                           %
            Increase in Mass
                  Increase in Thickness
        In Water / Antifreeze                  ASTM F 146                              %
            Increase in Mass
                  Increase in Thickness
         In Acid (Change in Tensile Strength)
            96% H2SO4+ Acid (49 hrs at 23 c)                                     %
                 95% HNO3 Acid (48 hrs at 23 c)                              %

<15
<10

<10
<10

<15
<5

<15
<10

<10
<10

<10
<7

<15
<5

Ignition Loss DIN 52911 %

<40

<32

Seability Against Nitrogen DIN 3535 Cm3/min

<1.0

Stress Resistance
16h 300 c DIN 52913 N/mm2
16h 175c DIN 52913 N/mm2

20
28

Design Info:M Value
Y Value (mpa)

Max. Peak Temp C

4500

500

Max. Continuous Temp C

250

Max. Operating Pressure kg/ cm2

120

ASTM F104 Line call-out