Black Polyimide Coverlay

Black Polyimide  Coverlay is made of BLACK polyimide film coated by modified stage-B acrylic adhesive  on one side with protection release film or paper, widely used in protection of FCPB and other relevant fields.

Characters:

* Excellent dielectric performance, high bondability and good dimension stability

* Low fluidity and good processability.

* In BLACK colour with both polish and matte black available

*Supplied with different sizes

 Spec.:

Models  AD/PI/AD

(AD=adhesive;PI=polyimide film)

Unit

                                          BPIC-10A

25/25/0

Typical Total Thickness

mm

0.05-0.06

Film Thickness

mm

0.025(1 mil)

Adhesive thickness

mm

0.025-0.035

Supply Size and Packing

Standard roll: 50㎡ per roll,width:500mm,length:100m

Carton after winded up into log roll and sealed by plastic film bag, Core ID:3"

Note: Both customization and epoxy counterpart can also be available.

Typical Properties( The follows are just examples not read as guaranteed values)

         Items

       Unit

Test Method

Typical datas

1. Peel Strength

  -As normal conditions

-After soldering

N/mm--width

IPC-TM-650-2.4.9

1.1

1.1

2. Dimensional Stability

%

IPC-TM-650-2.2.4A

0.10

3. Adhesive Flow max.(overflow)

um

IPC-TM-650-2.3.17.1

<150

4. Volatile Content

%

IPC-TM-650-2.3.37

≤3.0

5. Soldering resistance

288℃/10sec.

IPC-TM-650-2.4.13

Pass

6. Moisture Absorption

%

IPC-TM-650-2.6.2

≤4.0

7. Dielectric strength

KV/mm

ASTM-D-149

30

8. Chemical resistance

%

IPC-TM-650-2.3.2

≥80

9. Dielectric constant

MHZ

IPC-TM-650-2.5.5.3

≤4.0

10.Dissipation factor

-----

IPC-TM-650-2.5.5.3

≤0.04

Storage:

The product is packed in reinforced carton and sealed in plastic film bag. Please keep dry and in room temperature.  Shelf life is 12 months.

Note: 1.All of above information is based on our best knowledge, not read as guarantees. Right reserved for corrections.

2.Please contact us if customization requirements.