Film EVA Espesor Uniformidad Longitud Ancho Método de prueba

Thickness and uniformity,length,width
1.Test device
Measure the thickness with a thickness meter with a division value of 0.01mm.
Measure the width with a steel tape with an graduation of 1mm.
Measure length with electronic length gauge.

2.Length and Width
Use a steel tape with an graduation of 1mm to measure the width,and an electronic length gauge to measure the length.

3.Thickness uniformity measurement

It is no less than 5 measuring points in the full width direction and winding direction of the sample