XLPE Pipe Tubing (Alu. Foil)
XLPE is a durable, chemically resistant thermoplastic prized for its electrical insulation properties, resistance to abrasion, and flexibility even in low-temperature conditions; the cross-linking process further enhances its strength along with its resistance to heat and chemicals. Adding an aluminum foil layer to the tubing serves multiple functions: it enhances thermal insulation by reducing heat exchange between the fluid being carried and the surrounding environment, creates a barrier against moisture and gas infiltration, and, in certain applications, offers electromagnetic shielding to protect nearby sensitive equipment.
| Parameter | Value |
|---|---|
| Material (ASTM C 1427) | Chemically cross-linked closed-cell polyethylene foam insulation |
| Thickness | 3, 6, 9, 13, 15, 19, 25, 30, 35, 40, 50 mm |
| Color | Grey |
| Pipe Diameters (MS Pipe) | ½″, ¾″, 1¼″, 1½″, 2″, 2½″, 3″, 4″, 5″, 6″, 8″, 10″ |
| Pipe Diameters (Copper Pipe) | ¼″ up to 5½″, in standard copper-tube increments (e.g. ⅜″, ½″, ⅝″, ¾″, ⅞″, 1″, 1⅛″ … through 5⅛″, 5½″) |
| Width | 1.2 m |
| Temperature Range | -40°C to +115°C |
| Nominal Density | 30 ± 3 kg/m³ |
| Thermal Conductivity | 0.0318 W/m·K at 0°C; 0.0329 W/m·K at 23°C; 0.0382 W/m·K at 46°C |
| Water Vapour Resistance Factor (μ) — DIN 52615 | > 9000 (plain foam); > 14000 (aluminum-foil-faced foam) |
| Reaction to Fire | Self-extinguishing, non-toxic; ozone rating very good |
| Dimensional Stability — BS 4370 Part 1 | Change in dimensions < 0.5% at -20°C (4 hrs) and < 0.5% at 110°C (4 hrs) |
| Limiting Oxygen Index — ASTM D 2863 | 24% |
| Compression Strength @ 25% — ASTM D 3575 | 0.44 kgf/cm² |
| Resistance to Chemicals — ASTM C 543 | No characteristic change observed |
| Tensile Strength @ 50 mm/min — ASTM D 3575 | 2.51 kgf/cm² |
| Elongation at Break — ASTM D 3575 | 133.20% |
| Fungal Resistance — ASTM G21 | No growth observed |
| Sound Transmission Class (9 mm foam + 12 mm gypsum board) — ASTM E 413 / ISO 140 | 40 dB |
| Water Absorption — ASTM C 209 / ASTM 1763 | < 0.2% |
| Water Vapour Permeance — ASTM E96 | 0.15 ng/Pa·s·m |
| Health & Safety Aspects | CFC/HCFC-free; dust and fibre free; VOC/SVOC free |
Applications
Advantages
Excellent Thermal Insulation
XLPE and aluminum foil together provide strong temperature control
Moisture and Gas Resistance
foil layer helps maintain the purity of transported fluids or gases
Durable
withstands harsh environmental conditions indoors and outdoors
Chemical Resistance
resists many chemicals without degrading
Electrical Insulation
strong dielectric performance where electrical insulation is required
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