|
P6641 polyester membrane polyester fiber paper composite materials £¨F DMD£©
Temperature classification:F
1.Specification
Polyester film/Non-woven fabric composite is a sort of three layers combined material,which is obtained by combining non -woven fabric on each side of polyester film coated with adhesive .It has good mechanical,dielectric and impregnating properties.
2.Technical Requirement
|
Properties |
units |
values |
|
Nominal Thickness |
Mm |
0.20 |
0.25 |
0.3 |
0.35 |
|
Thickness Tolerance |
¡À |
0.03 |
0.03 |
0.03 |
0.035 |
|
Tensile strength |
MD |
N/10mm |
120 |
120 |
140 |
160 |
|
XD |
100 |
100 |
120 |
130 |
|
Breakdown Voltage |
Room temp |
Kv |
8.0 |
9.0 |
12.0 |
13.0 |
|
Bond Strength at room temp. |
No delimitation |
|
Bond Strength at 155¡æ |
No delimitation, no blister, no adhesive flow |
3.Dimension
DMD combined flexible material can be supplied in roll form ,reel form or sheet form .The weight of each reel is about 30-60kg depended on length required by customer.Width of each reel is 900mm.
4.Storage:
DMD should be stored under 40¡æ in clean and dry warehouse,stay away from fire,heat and avoid direct sunshine.The storage life is 12 months from the date of dispatch ,if the storage time is over 12 months,the product should be tested and pass all the specification before use.
|
