Properties

Unit

NST 625 (25 mils)

Test Method

Thickness              Total

                                Adhesive                                                                                                                         

                                Backing

mic

mic

mic

625

300

325

ASTM D1000

Tensile Strength

Kg/cm

5.5

ASTM D1000

Elongation (min)

%

400

ASTM D1000

Cathodic Disbandment 

mm(Dia)

15

ASTM G8 (method A)

Dielectric  Strength  

Kv/mm

40

ASTMD1000

Insulation   Resistance  

megohms

10⁶

ASTM D257

Water Vapor Transmission

gr/m²*24hrs

2

E96 (Method B)

Water Absorption  

%wt

0.1

ASTM D570

Temperature Range         Application

                                           Operation   

°C

°C

-20 to +60

-30 to+ 70

-

Adhesion to primed steal at 23°

                                  to self  at 23°

Kg/cm

Kg/cm

2.8

1

ASTM D1000

Color

----

Black

-

Heat Aging in 30 days at 60°c reduction of elongation &tensile strength (max)

%

20

ASTM D1000