OPaL HDPE Opalene R5106
OPaL HDPE Opalene R5106 is a natural‑colored high density polyethylene (HDPE) monofilament/raffia grade from ONGC Petro additions Limited (OPaL), produced using Mitsui CX slurry polymerization technology. It is engineered for extruded‑tape and monofilament extrusion lines where converters need high tensile strength, stable processing, and consistent stiffness for technical netting products.
Unlike general‑purpose HDPE film or blow‑moulding grades, R5106 is positioned specifically for geo‑grids, extruded nets, and related high‑tenacity tape and netting structures. Its typical property balance (low‑to‑medium melt flow with HDPE density) supports drawability and strength development in tapes/monofilaments—key for erosion control grids, soil reinforcement meshes, and industrial netting where dimensional stability matters.
OPaL’s TDS‑type sheet also includes explicit compliance statements that the grade shall meet IS 10146:1982 and IS 10141:1982 requirements (as stated in the datasheet), and references FDA 21 CFR 177.1520 for olefin polymers.
Technical insights
R5106 is often shortlisted by engineers and procurement teams based on a few “make‑or‑break” datasheet signals that correlate strongly with tape/monofilament performance and line stability.
Melt Flow Index (MFI) – : Typical MFI is 0.60 g/10 min (190°C/2.16 kg). In monofilament/raffia extrusion, this melt flow range is commonly associated with good melt strength and stable extrusion through narrow dies, while still allowing efficient drawing/orientation to build tenacity in tapes and filaments.
Density : Typical density is 0.951 g/cm³. For geo‑grid and extruded‑net products, higher HDPE density generally supports stiffness, better load‑bearing structure, and reduced deformation under stress compared with lower‑density polyethylenes.
Tensile strength : Typical tensile strength at yield is 30 MPa, with tensile strength at break >16 MPa and elongation at break >500%. This combination points to a material that can resist load while still offering ductility—useful when grids/nets face handling, installation, and service stresses.
Impact strength : Typical notched Izod impact >250 J/m (23°C) indicates good toughness, helping reduce breakage risk during conversion and in end‑use where netting can see knocks, bending, or localized stress.
Flexural modulus : Typical flexural modulus is 850 MPa, supporting the “rigid enough to hold shape” requirement for grid‑type products and technical netting where sagging or deformation is undesirable.
ESCR : Typical ESCR (F50, 10% Igepal, ASTM D1693B) is 120 hours. This is a relevant screening metric for applications exposed to stress plus chemicals/moisture, such as buried or outdoor geo‑synthetic structures.
Vicat softening point : Typical Vicat softening point (10 N) is 124°C, supporting performance in warm environments and helping maintain stiffness at elevated service temperatures.
Processing guidance : The recommended processing temperature range is 190–230°C (per the referenced TDS‑style sources), aligning with common HDPE monofilament/raffia extrusion practice.
Applications
Geo‑grids for soil reinforcement and erosion control
Opalene R5106 is recommended for geo‑grid structures where high tensile strength and stiffness are needed to reinforce soil, stabilize slopes, and improve load distribution. Converters typically choose an HDPE monofilament/raffia grade like R5106 to support orientation/drawing and to maintain grid geometry under mechanical load.
Extruded nets for industrial and technical uses
For extruded nets, R5106 is used where consistent extrusion, toughness, and dimensional stability matter—especially when nets are used as technical meshes, protective netting, or structural net layers. The balance of impact strength and flexural modulus supports both handling durability and shape retention.
High‑tenacity tapes and monofilaments for netting‑type converted products
R5106 is also suited for high‑tenacity tape and monofilament production feeding downstream netting and grid products. Its MFI and HDPE density profile is aligned with converters seeking stable throughput and strength development during stretching/orientation.
Comparable alternatives (positioning without claiming equivalence)
Comparable HDPE raffia/monofilament grades exist in India, including OPaL’s own R5410 and R5504, and similar “raffia/monofilament” grades from other producers. However, direct equivalence should not be assumed unless you match manufacturer datasheets side‑by‑side.
As positioned in the provided references, R5106 is specifically promoted for geo‑grids and extruded nets, which typically pushes buyers to prioritize tensile performance, stiffness (density/modulus), and stable extrusion through fine dies. If another grade has a meaningfully different MFI or density, it may shift performance toward woven sacks/tarpaulin raffia, general tapes, or different draw ratios—so substitution should be validated with trials and converter process settings.
Common search variants
Also searched as: Opal HDPE R5106, HDPE R5106 raffia, HDPE monofilament grade R5106, R5106 0.60 MFI, Opalene R5106 HD, HDPE dana R5106.
Specifications
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FAQs
Frequently Asked Questions
What is Opalene R5106 used for?
Is R5106 suitable for geo‑grids and erosion‑control grids?
What does the 0.60 MFI indicate for processing?
Can R5106 be used for extruded nets?
What processing temperature is recommended for R5106?
Is R5106 equivalent to OPaL R5410 or other raffia grades?
Does R5106 have food‑contact‑type compliance statements?
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