Mfi: 5.6 (190 °C/21.6 Kg) Density: 947 Application: Fuel tank, Non-fuel reservoirs

Processing Method : Extrusion blow molding

products market: Packaging industry


Petrochemical: Arya Sasol

HBM 4261A is a high molecular weight, high-density polyethylene with broad molecular weight distribution specially developed for producing automotive fuel tank. This grade, which is produced by 1-hexene co-monomer, offers a very good creep strength, good processability, excellent environmental stress cracking resistance (ESCR) and stiffness. HBM 4261A has been manufactured under Basell license.

General Information
Status Commercial: Active
Form(s) : Pellet
ESCR Very Good Creep Strength Good Chemical Resistance
High Impact Resistance
Excellent Process-ability Excellent Low Temp. Impact Resistance
Antioxidant: Yes
Processing Aid: No
Anti block: No
Slip Agent: No

Further Information
Health and Safety
The resin is manufactured to the highest standards, but special requirements apply to certain applications such as food end-use contact and direct medical use. Specific information on regulatory compliance can be requested via customer.
Molten polymer may be degraded if it is exposed to air during any of the processing and off-line operations. The products of degradation may have an unpleasant odor. In higher concentrations they may cause irritation of the mucus membranes. Fabrication areas should be ventilated to carry away fumes or vapors. Legislation on the control of emissions and pollution prevention should be observed. Workers should be protected from the possibility of skin or eye contact with molten polymer.
The resin will burn when supplied with excess heat and oxygen. It should be handled and stored away from contact with direct flames and/or ignition sources. While burning, the resin contributes high heat and may generate a dense black smoke.
Recycled resins may have previously been used as packaging for, or may have otherwise been in contact with, hazardous goods. Converters are responsible for taking all necessary precautions to ensure that recycled resins are safe for continued use. The detailed information about safety, handling, individual protection and waste disposal is provided in the relevant Safety Data Sheet. Additional specific information can be requested via customer.

Conveying equipment should be designed to prevent accumulation of fines and dust particles. These particles can, under certain conditions pose an explosion hazard. We recommend that the conveying system will be equipped with adequate filters and be operated and maintained in the way that ensure no leaks develop.
Polyethylene resins should be protected from direct sunlight and/or heat during storage. The storage location should also be dry, dust free and the storage temperature should not exceed 50 °C. It is also advisable to process polyethylene resins (in pelletized or powder from) within 6 months after delivery, because excessive aging of polyethylene can lead to a deterioration in quality. Arya Sasol Polymer Company would not give any warranty to bad storage conditions which may lead to quality deterioration such as color change, bad smell and inadequate products performance.
The information provided in this products Data Sheet has been based upon the current level of knowledge and experience. They are not to be interpreted as a warranty for specific products characteristics. In view of the many factors that may affect processing and application, these data do not relieve processors of the responsibility of carrying out their own tests and experiments; neither do they imply any legally binding assurance of certain properties or of suitability for a specific purpose. Customer is responsible for determining whether the products and the information in this document are appropriate for customer’s use and for ensuring that customer’s workplace and disposal practices are in compliance with applicable laws and other governmental enactments. Seller assumes no obligation or liability for the information in this document.

  • Automotive fuel tank:

  • Non-fuel reservoirs:

Typical Properties Typical Value 1 Unit Test Method 
MFI (190 °C /2.16 Kg ) 5.6 g/10 min ISO 1133
Density 2 0.947 kg/m3 ISO 1183
Bulk Density > 0.50 g/cm3 ISO 60
Mechanical 3
Tensile Strength at Yield 25 MPa ISO 527-1, -2
Tensile Strength at Break 45 MPa ISO 527-1, -2
Elongation at Yield 10 % ISO 527-1, -2
Elongation at Break > 1200 % ISO 527-1, -2
Tensile Modulus of Elasticity 800 MPa ISO 527-1, -2
Flexural Modulus – 1% Secant > 800 MPa ASTM D790
ESCR F10 (10% Igepal, Method B) > 2000 hr ASTM D1693
FNCT (3.5 MPa, 2% Arkopal N100, 80oC) > 80 hr ISO 16770
Tensile Impact Strength (Notched, Type 1, Method A, – 30oC) 167 kJ/m2 ISO 8256
Izod Impact Strength (Notched, Method A, 23oC) 26 kJ/m2 ISO 180
Melting Temperature 130 °C ISO 3146
Oxidation Induction Time (200°C) > 50 min SO 11357
Vicat Softening Temperature (Method A/ 10N) 126 °C ISO 306
Deflection Temperature Under Load (0.45 MPa) 68 °C ISO 75
Deflection Temperature Under Load (1.8 MPa) 50 °C ISO 75
Recommended Process Conditions 4
Processing Method: Extrusion Blow Molding; Thermoforming
Extruder Barrel Temperature: 200-230 °C                             Melt Temperature: 205-240 °C
1. Typical values: these are not to be construed as specifications
2.The density parameter was determined on compression-molded specimens, which were prepared in accordance with procedure C of ASTM D4703, Annex A1.
3. Properties are based on compression-molded specimens, which were prepared in accordance with procedure B of ASTM D4703, Annex A1, using 100% HBM 4261A resin.
4. Please note that, these processing conditions are recommended by manufacturer only for 100% HBM 4261A resin (not in the case of blending with any other compatible material), therefore because of the many particular factors which are outside our current knowledge and control and may affect the use of products, no warranty is given for the foregoing data. Moreover, the specific recommendations for resin type and processing conditions can only be made when the end use, required properties and fabrication equipment are known.




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