Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Plastics & Elastomers Functions
- Technologies
- Product Families
Features & Benefits
- Materials Features
- Characteristics
- The product is suitable for the extrusion method of squeezing extrusion, half-tubing extrusion and tubing extrusion.
- Cables made from the product have excellent performance in smooth cable surface, high extrusion speed and production efficiency.
- Extremely low impurity content and excellent electric performance.
Applications & Uses
- Markets
- Plastics & Elastomers Processing Methods
Properties
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Dielectric Constant (50Hz, 20°C) | 2.25 | — | GB/T1409 |
| Dielectric Loss Factor (50Hz, 20°C) | 7×10^-4 | — | GB/T1409 |
| Dielectric Strength | 39.0 | MV/m | GB/T1408.1 |
| Elongation at Break | 480.0 | % | GB/T1040.3 |
| Impact Brittle Temperature (-76°C) | Pass | — | GB/T5470 |
| Maximum Elongation at Break Change (Test temperature 135°C, 168 hr) | 5.2 | % | GB/T8815 |
| Maximum Elongation Change under Load (200±3°C x 15 min x 0.2 MPa) | 46.0 | % | GB/T2951 |
| Maximum Permanent Elongation Change after Cooled (200±3°C x 15 min x 0.2 MPa) | -4.0 | % | GB/T2951 |
| Maximum Tensile Strength Change (Test temperature 135°C, 168 hr) | 7.0 | % | GB/T8815 |
| Tensile Strength | 21.5 | MPa | GB/T1040.3 |
| Volume Resistance (20°C) | 5×10^14 | Ohm.m | GB/T1410 |
Regulatory & Compliance
- Quality Standards
- Standard
After crosslinked in the tepid water, the cable made from the product grade 4214/4214B can comply with the standard of IEC60502-2004, GB/T12706-2002.
Technical Details & Test Data
- Recommended Processing Technique
Extrusion Equipment: Most extruders for PVC and PE suit for 4214. The recommended equipment and processing technique is as following
Ratio of Length and Diameter
18-25:1
Diameter
45-120mm
Ratio of Compressing
1.5-3.5
Ratio of Elongation
1:1.0-1:1.5
Filtering Mesh
40/60/40
Extruder processing temperature and other related settings:
- Temperature Setting: Specific processing temperature should be based on different equipment and pressing conditions, reference settings are as following:
Feeding section (°C)
Compression Section (°C)
Measurement Section (°C)
Die head and Mold (°C)
150~165
165~175
175~190
190~200
- Die head setting: Squeezing extrusion style, half-tubing extrusion style and tubing extrusion style.
- Cooling water temperature: Should not be less than 25°C, gradual cooling water tank is recommended.
Crosslink: After extrusion and cooling, the cable can be cross linked by immersed in hot water (90°C) or exposed in low pressure vapor. The time required for crosslink is based on the thickness of the insulation and the coil size, the thicker the insulation and the greater the coil size, the longer the crosslink time required. The crosslink time can be calculated according to the equation of 4hr/mm for 90°C.