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China PVC Insulation Compound Granules - Quality Cable Insulation Material from Trusted Suppliers and Factory
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`Product Description
` `` `PVC insulation material for cables, also known as polyvinyl chloride (PVC) insulation material, is widely used in the wire and cable industry.` `
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`` `` `1. Overview` `
` `` `PVC insulation material is a composite material mainly composed of polyvinyl chloride resin, which is processed through specific processes by adding stabilizers, plasticizers, fillers, lubricants and other auxiliary materials. It has good electrical insulation performance, chemical corrosion resistance, wear resistance, flame retardancy, and low cost, so it is widely used in power transmission and distribution equipment.` `
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`` `` `2. Main Features` `
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`Electrical insulation performance`
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`PVC insulation material has good electrical insulation performance, which can effectively block current conduction, avoid dangers such as electric shock and short circuit.`
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`Chemical corrosion resistance`
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`It has good chemical resistance to most acids, bases, salts, and solvents, can maintain its insulation performance, and is not easily corroded by chemical substances.`
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`Wear resistance`
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`It has high wear resistance and can resist external physical forces and wear, thereby extending the service life of wires and cables.`
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`Flame retardancy`
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`It usually has good flame retardancy, which means it is not easy to burn in the event of a fire, and produces less smoke and toxic gases during combustion, helping to reduce personal injury and property damage after a fire occurs.`
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`Cost effectiveness`
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`Compared to other insulation materials, PVC insulation has a lower price and is more cost-effective.`
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`` `` `3. Processing Technology` `
` `` `Recommend to use of single-screw extruders with L/D= 20-25.` `
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`| Model | ` `Machine Barrel Temperature | ` `Molding Temperature | ` `
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| RW-7082/RW-9082/RW-0582 | ` `145-170℃ | ` `165-175℃ | ` `
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`Parameters
` `Common Specification Table
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`| Item | ` `Unit | ` `Technical Requirements | ` `|||
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| RW-7082 | ` `RW-9082 | ` `RW-0582 | ` `|||
| Density | ` `\ | ` `≤1.40 | ` `≤1.40 | ` `≤1.40 | ` `|
| Tensile Strength | ` `MPa | ` `≥12.5 | ` `≥12.5 | ` `≥12.5 | ` `|
| Elongation at Break | ` `% | ` `≥180 | ` `≥180 | ` `≥180 | ` `|
| Thermal Aging | ` `\ | ` `80℃*168h | ` `100℃*240h | ` `135℃*168h | ` `|
| Tensile Strength Variation | ` `% | ` `±40 | ` `±40 | ` `±40 | ` `|
| Elongation Variation | ` `% | ` `±40 | ` `±40 | ` `±40 | ` `|
| Dielectric Strength | ` `MV/m | ` `≥20 | ` `≥20 | ` `≥20 | ` `|
| 200℃ Thermal Stability | ` `min | ` `≥80 | ` `≥120 | ` `≥120 | ` `|
| 20℃ Volume Resistivity | ` `Ω.m | ` `≥1x1011 | ` `≥1x1011 | ` `≥1x1011 | ` `|
| Brittle Temperature with Impact | ` `℃ | ` `-30 | ` `-30 | ` `-30 | ` `|
| Oil Resistance (ASTM 902) | `
`Temperature of Test | ` `℃ | ` `70 | ` `100 | ` `100 | ` `
| Time of Test | ` `h | ` `24 | ` `24 | ` `24 | ` `|
| Tensile Strength Variation | ` `% | ` `±40 | ` `±40 | ` `±40 | ` `|
| Elongation Variation | ` `% | ` `±40 | ` `±40 | ` `±40 | ` `|
| Hardness | ` `Shore A | ` `≤75 | ` `≤75 | ` `≤75 | ` `|
` `` `Support customizing other specifications` `
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`Detailed Image
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`Frequently Asked Questions
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`Q: What is PVC insulation material for cables?`
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`PVC insulation material, or polyvinyl chloride insulation, is a composite material made mainly from PVC resin combined with stabilizers, plasticizers, fillers, and lubricants. It is widely used in the wire and cable industry.`
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`Q: What are the main features of PVC cable insulation?`
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`It offers good electrical insulation, strong chemical corrosion resistance, high wear resistance, excellent flame retardancy with low smoke/toxic gas production, and cost-effectiveness.`
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`Q: What is the recommended processing technology for these materials?`
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`We recommend using a single-screw extruder with an L/D ratio of 20-25. The recommended machine barrel temperature is 145-170℃, and the molding temperature is 165-175℃.`
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`Q: Can you customize other specifications for PVC cable insulation?`
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`Yes, we support customizing other specifications to meet your specific requirements.`
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`Q: What is the brittle temperature with impact for models RW-7082, RW-9082, and RW-0582?`
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`The brittle temperature with impact for these models is ≤ -30℃.`
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`Q: What are the oil resistance properties under ASTM 902?`
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`For RW-7082, the test is conducted at 70℃ for 24h. For RW-9082 and RW-0582, it is conducted at 100℃ for 24h. All models maintain a tensile strength variation and elongation variation within ±40%.`
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