About |
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DFDA-1648 NT EXP1 is a thermoplastic, non-halogen, flame retardant jacketing compound. It is designed for general purpose cable jacket applications. Features DFDA-1648 NT EXP1 provides the following features: Processing and cabling attributes Ease of extrusion, without the need for special screws Good anti-scratch whitening Good surface appearance (shining and smoothness) Good crack resistant on majority of armored cables Excellent combustion properties (lower smoke, lower acidity) Excellent electricals High volume resistivity (could be used as 0.6/1 kV insulation in dry conditions) Low dielectric constant and dissipation factor Competitive mechanical properties (tensile elongation, tear strength, abrasion resistance, flexibility) Good thermal properties (low temperature performance, good hot deformation) Environmentally friendly (lead-free, halogen free, sulfur/antimony-free) Colorable with EVA based color concentrates Specifications For many cable designs, DFDA-1648 NT EXP1 will meet UL-1685, IEEE-383, CSA FT-4, IEC-60332-3C vertical tray cable burn tests, and IEC-61034 smoke generation tests&& |
Product Description | |
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Supplier | DOW |
Generic | 热塑性聚酯 |
Material Status | Commercial: Active |
Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.45 | g/cm³ | ASTM D792 |
elastic body | Nominal value | Unit | Test method |
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tear strength | 8.00 | kN/m | ASTM D470 |
Aging performance | Nominal value | Unit | Test method |
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Tensile strength retention rate | |||
7 days,121℃ | 100 | % | ASTM D638 |
Elongation retention rate | |||
7 days,121℃ | 80 | % | ASTM D638 |
THERMAL | Nominal value | Unit | Test method |
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Embrittlement temperature | -40.0 | ℃ | ASTM D746 |
thermal deformation | UL 1581 | ||
90℃ | 1.3 | % | UL 1581 |
100℃ | 2.7 | % | UL 1581 |
121℃ | 87 | % | UL 1581 |
Oxygen sensing time | |||
Al pans,no screen,60 ml oxygen/min,220℃ | 32 | min | ASTM D3895 |
Electrical performance | Nominal value | Unit | Test method |
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Volume resistivity | |||
23℃ | 2.1E+14 | ohms·cm | ASTM D257 |
Dielectric constant | ASTM D150 | ||
60 Hz | 3.80 | ASTM D150 | |
100 kHz | 3.43 | ASTM D150 | |
1 MHz | 3.50 | ASTM D150 | |
Dissipation factor | ASTM D150 | ||
60 Hz | 0.034 | ASTM D150 | |
100 kHz | 7.0E-3 | ASTM D150 | |
1 MHz | 9.0E-3 | ASTM D150 |
FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
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Extreme oxygen index | 39 | % | ASTM D2863 |
toxicity | 1.90 | NES 713 | |
Acid gas emission pH | 5.30 | IEC 754-2 | |
Conductivity of acidic gas emissions | 0.630 | µS/mm | IEC 754-2 |
Temperature index (combustion) – Critical | > 300 | ℃ | NES 715 |
smoke | |||
2.54 mm | 23.0 | NES 711 | |
Smoke density | ASTM E662 | ||
Flaming Mode – D1.5:508.0 µm | 1.4 | ASTM E662 | |
Flaming Mode – D1.5:2.54 mm | 1.5 | ASTM E662 | |
Flaming Mode – D4.0:508.0 µm | 9.1 | ASTM E662 | |
Flaming Mode – D4.0:2.54 mm | 2.5 | ASTM E662 | |
Flaming Mode – Dm,(corr.):508.0 µm | 22 | ASTM E662 | |
Flaming Mode – Dm,(corr.):2.54 mm | 110 | ASTM E662 | |
Non combustion mode – D1.5:508.0 µ m | 6.9 | ASTM E662 | |
Non combustion mode – D1.5:2.54 mm | 0.040 | ASTM E662 | |
Non combustion mode – D4.0:508.0 µ m | 55 | ASTM E662 | |
Non combustion mode – D4.0: 2.54 mm | 28 | ASTM E662 | |
Non combustion mode – Dm, (cor.): 508.0 µ m | 130 | ASTM E662 | |
Non combustion mode – Dm, (cor.): 2.54 mm | 330 | ASTM E662 |
MECHANICAL | Nominal value | Unit | Test method |
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Shore hardness | ASTM D2240 | ||
Shaw’s A | 93 | ASTM D2240 | |
Shaw’s D | 46 | ASTM D2240 | |
tensile strength | 11.7 | MPa | ASTM D638 |
Tensile strain | |||
fracture | 250 | % | ASTM D638 |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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