| About |
|---|
| Low density moisture curable polyethylene compound for low voltage building wire applications (UL styles XHHW-2, RHW-2, RHH, SIS, USE-2). ed only when used. PEXIDAN® X/T is halogenated but is RoHS compliant. Also CSA listed for styles RW-90 and RWU-90 (-40°C rated) PEXIDAN® X/T is a low density flame-retardant XLPE system curable by moisture and consists of a silane pre-grafted base compound A-3001 and a flame retardant catalyst masterbatch CAT-005FR. Mixed and extruded in the proper proportions (80:20), the two components result in a material that is curable by exposure to 70-95°C hot water or even ambient moisture. In order to prevent pre-scorching the grafted compound and the catalyst masterbatch must be stored separately and mixed only when used. PEXIDAN®X/T is halogenated but is RoHS compliant.&& |
| Product Description | |
|---|---|
| Generic | XLPE |
| Material Status | Commercial: Active |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.01 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 0.80 | g/10min | ASTM D1238 |
| The degree of cross combination | 67 | % | ASTM D2765 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | UL 1581 | ||
| yield | 12.4 | MPa | UL 1581 |
| fracture | 13.8 | MPa | UL 1581 |
| fracture | 13.4 | MPa | UL 1581 |
| fracture | 12.8 | MPa | UL 1581 |
| fracture | 12.6 | MPa | UL 1581 |
| Tensile strain | |||
| fracture | 380 | % | UL 1581 |
| fracture | 350 | % | UL 1581 |
| fracture | 330 | % | UL 1581 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Aging test | UL 1581 | ||
| Elongation after exposure | 430 | % | UL 1581 |
| Original elongation | 440 | % | UL 1581 |
| Original tensile strength | 18.3 | MPa | UL 1581 |
| Tensile strength after exposure | 19.8 | MPa | UL 1581 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | < -75.0 | ℃ | ASTM D746 |
| deformation | 1.0 | % | UL 1581 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric constant | |||
| 1 MHz | 2.34 | ASTM D150 | |
| 100 MHz | 2.34 | ASTM D150 | |
| 90 ℃，60 Hz | 2.50 | UL 1581 | |
| Dissipation factor | ASTM D150 | ||
| 1 MHz | 1.2E-3 | ASTM D150 | |
| 100 MHz | 8.0E-4 | ASTM D150 | |
| breakdown voltage | UL 1581 | ||
| — | 35000 | V | UL 1581 |
| after glancing impact | 33000 | V | UL 1581 |
| insulation resistance | UL 1581 | ||
| 23℃ | 560000 | Mohms/1000 ft | UL 1581 |
| 90℃ | 21000 | Mohms/1000 ft | UL 1581 |
| after 12 weeks：90℃ | 50000 | Mohms/1000 ft | UL 1581 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Extreme oxygen index | |||
| 4.0 mm | 24 | % | ASTM D2863 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Acid gas emissions | |||
| HBr | 3.7 | % | CSA C22.2 No. 0.3 Method 2 |
| Crushing Test | 635029 | g | UL 1581 |
| High temperature elongation | |||
| Elongation under load, 150 ℃ | 40 | % | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Barrel 1 zone temperature | 154 to 171 | °C | |
| Barrel 2 zone temperature | 154 to 171 | °C | |
| Barrel 3 zone temperature | 154 to 171 | °C | |
| Barrel 4 zone temperature | 154 to 171 | °C | |
| Head temperature | 185 | °C | |
| Nozzle temperature | 185 | °C | |
| Screw cooling | neutral | ||
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 23°C |
| 3. After 60 day oil @ 75°C |
| 4. After 30 day gasoline @ 23°C |
| 5. After thermal ageing (7days @121°C) |
| 6. 15 minutes |
| 7. 300 hr. exposure |
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