Polyimide Film with FEP Coating on Both Sides

TJ6251 Polyimide Film Adhesive Tape F46 Standard No.: Q/12YJ4214 Applicable Range: This product is the tape with ground of polyimide film manufactured by doctor-blading process, single surface or double surfaces covered with glue F46, and processed after drying and cutting. The tape is applicable for acting as grade H insulating material of electrical wire lapping. It takes into its shape through melting at 350-380 over ten minutes. I. Technological requirement: 1. Appearance: The tape is dry, smooth as well as free from any bubble or impurity, etc. 2. Dimension: 1) Length: The length of every roll of tape is not less than 300 m and the number of sections is no more than 4. 2) Width and allowable deviation of tape is 10mm ±0.5mm, 15mm ±0.5mm, 20mm ±1mm, and 25mm ±1mm. Tape with other width specifications can be offered according to the requirements of customer. 3) Nominal thickness and allowable deviation: thickness range 0.03mm --- 0.10mm; allowable deviation is ±0.005 mm ---±0.006 mm; or supply will be done according to the requirements of customer. 3. Performances of tape shall conform to the stipulations in Table One. Table oneNumberIndex DescriptionUnitIndex Value1TensileMPa≥1002Elongation at break%≥403Stripping force tape to tape tape to copper N/25mm6.06.04Breakdown strengthMV/m≥1005*Surface resistivityΩ1.0 x 10126*Volume resistivityΩ.m1.0 x 10137*Diecoeffcient2-38*Tangent of Dielectric loss angle≤0.004