High-temperature resistant polyimide film

Category:

Cable insulation material

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Product description

Product Name: High-Temperature Resistant Polyimide Film

1. Product Introduction: This product has excellent high and low temperature resistance, electrical properties, and medium resistance, capable of long-term use in the temperature range of -240℃ to 260℃, with short-term high temperatures reaching 400℃. It has excellent insulation performance and tensile strength. It is widely used in insulation fields such as cables, electromagnetic wires, and transformers.

2. Technical Parameters

Physical and Mechanical Properties (Basis weight is for reference only)

Thickness (u)	Basis Weight (g/m2)	Tensile Strength (MPa)	Elongation (%)	AC Electrical Strength KV/mm	Long-term Heat Resistance ℃
12.5u±3	18±3	≥140	≥40	≥210	≥180
15u±3	21±4	≥140	≥40	≥210	≥180
25u±3	35±5	≥140	≥40	≥245	≥180
30u±3	42±5	≥140	≥40	≥230	≥180
50u±3	70±5	≥140	≥40	≥220	≥180
75u±3	105±5	≥150	≥50	≥180	≥180
100u±3	105±5	≥150	≥50	≥175	≥180

2.Electrical Properties

Dielectric Strength (50Hz)	Mv/m	>160
Volume Resistivity	200℃/Ω	>1*10^10
Surface Resistivity	200℃/Ω	>1*10^13
Dielectric Constant (50Hz)		3.5±0.4

3.Product Width: Finished widths can be produced from 1mm to 520mm according to customer needs, except for special materials. Cutting width ≤ 100mm precision control is ±0.5mm, cutting width > 100mm precision control is ±1mm.

4. Core Inner Hole Diameter: There are four conventional sizes: 51mm (2 inches), 55mm, 76mm (3 inches), 80mm.

5. Handling, Storage, and Packaging: Care should be taken during transportation to avoid surface and edge wear that may affect tensile strength. During storage, it should be placed in a ventilated warehouse, avoiding direct placement on damp ground and direct sunlight. The standard packaging is aluminum film or cardboard boxes.

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Keywords:

Aramid paper

Hot melt mylar

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