Customization: | Available |
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Feature: | Hydrolytic Degradable |
Material: | Ethylene-Vinyl Acetatecopolymers/EVA |
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Product Description and Application |
Application: |
Technical Properities: |
Item | Unit | RY-S125J | RY-S125H | RY-S125UJ | RY-S125UH | ||||
Standard | Typical | Standard | Typical | Standard | Typical | Standard | Typical | ||
Tensile Strength | ≥MPa | 10 | 13.6 | 10 | 12.5 | 10.5 | 13 | 10.5 | 12.5 |
Elongation at Break | ≥% | 150 | 280 | 150 | 170 | 150 | 260 | 150 | 170 |
Thermal Aging | ºC*Days | 158*7 | |||||||
TS/EB Retention | ≤% | -30/-30 | +4/-11 | -30/-30 | -6/-9 | -30/-30 | +6/-16 | -30/-30 | -4/-9 |
Thermal Extend 20N/cm3 | ºC*min | 200*15 | |||||||
Elongation under Load | ≤% | 100 | 60 | 100 | 60 | 100 | 50 | 100 | 60 |
Permanent Deformation | ≤% | 25 | 5 | 25 | 5 | 25 | 5 | 25 | 5 |
Volume Resistivity at 20ºC | ≥Ω*m | 1.0×1012 | 3.0×1012 | 1.0×1011 | 1.5×1012 | 1.0×1013 | 3.2×1013 | 1.0×1011 | 2.5×1012 |
Dielectric Strength | ≥KV/mm | 20 | 27 | 20 | 26 | 20 | 27 | 20 | 26 |
Oxygen Index | ≥% | 30 | 31 | 33 | 35 | - | - | 33 | 35 |
Impact Brittleness Temperature | ºC | -40 | Pass | -40 | Pass | -40 | Pass | -40 | Pass |
Smoke Density Flaming | ≤ | - | - | 100 | 68 | - | - | 100 | 62 |
Smoke Density Non Flaming | ≤ | - | - | 200 | 152 | - | - | 200 | 144 |
Acidity of Gases Evolved (pH) | ≥ | 4.3 | 4.6 | 4.3 | 5.6 | 4.3 | 4.8 | 4.3 | 5.8 |
Conductivity of Gases Evolved | ≤μs/cm | 2.5 | 1.4 | 2.5 | 1.0 | 2.5 | 1.5 | 2.5 | 1 |
Sunlight Aging Resistance | h | - | 720 | Pass | - | - | 720 | Pass | |
The above dates are all the peoperties of compound after cross-linked |
Processing | ||||||
The compound can be processed with conventional extruders and the screw with a minimum20:1 L/D and lpw compression ratio die is recommended. Low tensile ration is needed.The following temperature profile of extruder is recommended. | ||||||
Zone | Z1 | Z2 | Z3 | Z4 | Head | Die |
Temperature(ºC) | 140 | 145 | 150 | 155 | 150 | 150 |
Note: Compound should be dried at 70-80ºC before use, which has storage time exceeding two months. | ||||||
Irradiation Dosage | ||||||
The recommended irradiation dosage of Irradiation crosslinkable and Flame retardant POE Compound is 12-15 megalard. |
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