Views: 0 Author: Site Editor Publish Time: 2026-01-24 Origin: Site
In agricultural irrigation systems, pipe materials play a critical role in installation efficiency, operational stability, and long-term maintenance cost. Different irrigation methods and field conditions place different demands on pipe materials.
Before selecting specific materials, it is important to understand the core requirements of agricultural irrigation pipes.
| Requirement | Description |
| Installation & Laying | Good flexibility for bending, coiling, and routing |
| Processing Stability | Stable extrusion and uniform wall thickness |
| Outdoor Environment | Resistance to sunlight and temperature variation |
| Chemical Resistance | Tolerance to fertilizers, pesticides, and irrigation water |
| Cost Control | Balanced material, processing, and service life costs |
Key point:
Material suitability should always be evaluated based on application conditions, not material name alone.
LDPE 2426H and LDPE LD100AC are both low-density polyethylene (LDPE) film-grade materials. Their molecular structure is designed primarily for flexibility and processing flow rather than pressure-bearing pipe applications.
These materials are commonly considered for low-pressure agricultural irrigation products.
| item | LDPE 2426H | LDPE LD100AC |
| Material Type | LDPE | LDPE |
| Industrial Grade | Film Grade | Film Grade |
| Typical Density | ~0.924 g/cm³ | ~0.920–0.925 g/cm³ |
| Melt Flow Index (MI) | ~1.9 g/10 min | ~1.7–2.3 g/10 min |
| Performance Focus | Flexibility and elongation | Processing stability and surface quality |
Important note:
Neither material is designed as a pressure pipe grade. Their use should be limited to appropriate low-pressure applications.
In irrigation pipe production, extrusion stability directly affects product quality, consistency, and production efficiency.
High elongation and excellent flexibility
Reduced risk of stress concentration during bending
Suitable for thin-wall and coiled pipe structures
Good adaptability to uneven installation conditions
Stable melt flow behavior
Easier extrusion control during production
Consistent surface appearance and wall thickness
Suitable for continuous and large-scale manufacturing
| Processing Aspect | LDPE 2426H | LDPE LD100AC |
| Extrusion Stability | Good | Good |
| Flexibility | Excellent | Good |
| Surface Consistency | Good | Excellent |
| Process Control | Stable | Stable |
Agricultural irrigation pipes operate under outdoor and field conditions that differ significantly from factory environments.
Irrigation pipes often need to adapt to uneven terrain, trenches, and long-distance coiling.
Flexible materials reduce installation stress and damage risk, especially in complex field conditions.
LDPE materials provide inherent flexibility, making them suitable for low-pressure irrigation layouts.
It is important to clarify that:
LDPE resin itself is not inherently UV-resistant.
Outdoor service life depends mainly on formulation design and stabilization systems.
| Factor | Description |
UV Protection | Carbon black or HALS stabilizers |
| Thermal Stability | Antioxidant systems |
| Formulation Design | Proper additive compatibility |
| Validation | Weathering and aging tests |
Material durability should always be evaluated based on formulation and testing, not resin grade alone.
LDPE materials show good resistance to common agricultural chemicals, including:
Fertilizer solutions
Mild acids and alkalis
Typical irrigation water conditions
This makes both materials suitable for long-term agricultural irrigation use.
Material selection should align with the actual irrigation pipe type and operating conditions.
| Irrigation Product Type | Suitability |
| Drip irrigation tapes | ✔ Suitable |
| Micro-spray hoses | ✔ Suitable |
| Low-pressure water hoses | ✔ Suitable |
| Non-pressure pipelines | ✔ Suitable |
Both LDPE 2426H and LDPE LD100AC can be considered for these applications, subject to production validation.
| Application Type | Reason |
| Pressurized main pipelines | Not pipe-grade material |
| High-pressure systems | Insufficient hydrostatic strength |
| Long-life pressure networks | Pipe-grade PE preferred |
For these applications, HDPE or MDPE pipe-grade materials are recommended.
Effective material selection should follow several key principles:
Define application conditions before selecting materials
Validate materials through trial extrusion
Focus on long-term operational stability
Avoid mismatch between material grade and application requirements
Material selection is not about choosing the strongest material, but the most suitable one.
LDPE 2426H and LDPE LD100AC are suitable for low-pressure, thin-wall irrigation products
LDPE 2426H emphasizes flexibility and bending performance
LDPE LD100AC emphasizes processing stability and surface consistency
Neither material is recommended for pressure-bearing irrigation pipelines
Correct material selection ensures stable, efficient, and long-term irrigation system performance.
