Item

Index

H (0.65mm)

H (0.8mm)

H (1.1mm)

Tensile strength, N/5cm

Longitudinal        ≥

1000

1800

2200

Transversal        ≥

Elongation at break, %

Longitudinal       

35

Transversal       

Tear strength, N

Longitudinal        ≥

150

300

300

Transversal        ≥

Strength of thermal joining seam, N, high frequency

Longitudinal       

1000

1500

1700

Transversal       

Peeling strength, N/2.5cm                        

40

Acid and alkali resistance

Free of distortion, softening or cracks

Tensile strength, elongation at break and tear strength loss ≤10%

Heating tolerance (80±2) , 20h

Free of warp, cracks and pastiness

Cold tolerance (-25±3) , 180°, folded

Free of fold and rip