Description
Overview – LDPE Class 6 (Inner Diameter, 100 m roll)
🔹 Plasticman (South Africa)
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Sizes available: 15 mm, 20 mm, 25 mm, 32 mm, 40 mm, 50 mm, 65 mm (100 m rolls), and 80 mm (50 m roll)
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Typical packaging: 100 m coils, weight ~7–9 kg, dimensions ~90 × 90 × 13 cm
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Intended use: Ideal for low-pressure irrigation, class 6 rating for pressure suitability.
Material Description – LDPE Properties
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Thermoplastic made from ethylene, first produced in 1933
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Density: 917–930 kg/m³, naturally flexible and tough, but lower stiffness than HDPE—suitable for irrigation
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Recommended for: Low-pressure irrigation; Class 6 indicates ~600 kPa rating under standard conditions.
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Resistance profile:
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Excellent: acids, bases, alcohols, esters
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Good: aldehydes, ketones, oils
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Limited: hydrocarbons, mineral oils
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Poor: halogenated hydrocarbons
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🛠 Class 6: Intended Usage & Fitment
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Irrigation use only: Not for potable water or exposed potable installations; use LDPE Class 6 in subsurface or garden systems only .
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Fitting type: Designed for swaged insert fittings (compressed into ID), secured with hose clamps. Swaging reduces ID, so usually upsizing fittings is needed—or use “full-flow” style
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Fitting compatibility: Works with standard LDPE push-fit or insert fittings (not compression-style like HDPE)
📏 Example Specification Sheet (25 mm ID Class 6 – 100 m)
| Parameter | Details |
|---|---|
| Inner Diameter (ID) | 25 mm |
| Outer Diameter (OD) | ≈ corresponds to ID + pipe wall |
| Roll Length | 100 m |
| Class Rating | Class 6 (600 kPa / ~6 bar) |
| Weight/Pack | ~7–9 kg per 100 m |
| Packaging Size | 90 × 90 × 13 cm |
| Color | Usually natural/clear; other colors possible |
| Use Case | Irrigation with insert fittings |





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