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China Cable Kraft Paper Insulation Paper Suppliers - High-Temperature, High-Pressure Protection from Factory
Kraft paper for cables is a widely used packaging and insulation material in cable manufacturing, with unique physical and chemical properties. The following is a detailed introduction to kraft paper used for cables:
The kraft paper used for cables is mainly made of natural fibers, such as kraft paper pulp. These fibers are processed through processes such as pulping and papermaking to form soft and resilient paper.
Kraft paper for cables is widely used in the manufacturing and packaging fields of cables. In the cable production process, kraft paper is used as a wrapping material to wrap between the cable conductor and insulation layer, playing a role in isolation and insulation. At the same time, kraft paper is also used as an outer packaging material in the packaging and transportation of cables to protect them from mechanical damage and the influence of humid environments.
When using kraft paper for cables, attention should be paid to the selection of its specifications and sizes to ensure that it can meet the needs of cable manufacturing and packaging. At the same time, attention should be paid to the storage and preservation conditions of kraft paper to avoid moisture, heat, or other physical damage.
Common Specification Table
| Properties | Specification | |||||
|---|---|---|---|---|---|---|
| Thickness (mm) | 0.04±0.005 | 0.05±0.005 | 0.06±0.01 | 0.10±0.02 | 0.15±0.03 | 0.20±0.03 |
| Grammage (g/m²) | 30±3 | 40±4 | 45±5 | 85±5 | 110±10 | 140±10 |
| Tensile strength (N/cm) | ≥60 | ≥70 | ≥70 | ≥90 | ≥110 | ≥130 |
| Elongation (%) | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 |
| Application | Specially designed for oil cables, special cable insulation, motor wires, electromagnetic wire winding, and motor turn insulation, it can withstand high temperatures, high voltages, sulfurization, and has a light specific gravity. It is also suitable for the special protection layer outside the shielding layer of ultra-high voltage cables. | |||||
| Support customizing other specifications | ||||||
Q: What raw materials are used to manufacture cable kraft paper?
A: Kraft paper for cables is primarily made of natural fibers, such as high-quality kraft paper pulp, which undergoes specialized pulping and papermaking processes to achieve a soft and resilient finish.
Q: What are the key performance characteristics of cable kraft paper?
A: Key characteristics include high tensile strength, excellent elongation at break, superior electrical insulation properties, high temperature and voltage resistance, as well as waterproof and moisture-proof capabilities.
Q: How does kraft paper protect and insulate power cables?
A: It acts as a barrier that isolates cable conductors from insulation layers, preventing electrical arcing, current leakage, and short circuits. It also provides physical protection against external mechanical damage and moisture.
Q: What are the primary applications of this kraft paper?
A: It is widely used for oil cables, special cable insulation, motor wires, electromagnetic wire winding, motor turn insulation, outer protective layers for ultra-high voltage cables, and as durable packaging during cable transport.
Q: What precautions should be taken for storage and usage?
A: Users should carefully select the appropriate thickness and size specifications for their application. The paper must be stored in dry, cool conditions away from moisture, heat, or potential mechanical hazards to preserve its quality.
Q: Can I request custom specifications for cable kraft paper?
A: Yes. While standard thicknesses range from 0.04mm to 0.20mm and grammages from 30g/m² to 140g/m², customization is fully supported to meet specific thickness, width, or density requirements.