Improved flow characteristics
There is no doubt that LDPE 1922T has excellent flow properties, which makes it suitable for use in injection molding. This feature is critical because the polymer can fill molds fast and accurately thus making products with correct dimensions and fine details too. At 190°C, its melt flow rate (MFR) of 22 dg/min at a load of 2.16 kg and 75 dg/min at a load of 5 kg shows how well it flows under low and high shear conditions respectively.
Strong mechanical features
LDPE 1922T boasts mechanical strength that suits different applications. Tensile strength is good enough with stress at yield being 8 MPa while stress at break measures up to 7 MPa; elongation capability before breaking stands at 400% thereby indicating great flexibility required for impact resistance as well as durability in various uses.
Resistance to shock loads and creeping
The tensile impact strength of this product is so high – reaching up to 86 KJ/m²; such level should not be overlooked since it proves ability of material to withstand sudden forces or impacts i.e., must-have characteristic for toys among other things frequently handled by children around homes. Creep modulus values also speak volumes about its reliability under long-term exposure to stress: after one hour there still remains about 80MPa whereas after one thousand hours only around forty-five megapascal will have been lost - hence longer life expectancy during practical implementation where continuous loading occurs.
Thermal stability & environmental friendliness
The melting point for LDPE1922 T happens at around one hundred five degrees Celsius while heat deflection temperature under pressure equaling four hundred fifty kilopascals reads thirty-nine degrees centigrade showing that even when heated beyond these limits it does not deform easily due to heat alone but rather requires some external force applied concurrently with heating up until deformation starts taking place internally within the material itself. For instance, if exposed to an environment where higher temperatures are anticipated Vicat softening point should be considered which is eighty two degrees Celsius. On the other hand, environmental stress crack resistance (ESCR) being three hours implies that it can resist cracking caused by chemical or physical attack for this duration thereby enhancing its lifespan under such conditions.
Polymer Properties | |||
Density | 919 | kg/m³ | |
Melt Flow Rate (MFR) | 22 | dg/min | at 190˚C and 2.16 kg |
Melt Flow Rate (MFR) | 75 | dg/min | at 190˚C and 5 kg |
Melt Volume Rate (MVR) | 29 | dg/10 min | at 190˚C and 2.16 kg |
Melt Volume Rate (MVR) | 98 | dg/10 min | at 190˚C and 5 kg |
Mechanical Properties | |||
Stress at Yield | 8 | MPa | |
Stress at Break | 7 | MPa | |
Strain at Break | 400 | % | |
Tensile Modulus | 175 | MPa | |
Creep Modulus | 80 | MPa | after 1 hour |
Creep Modulus | 45 | MPa | after 1000 hours |
Notched Izod | 42 | KJ/m² | at + 23˚C |
Notched Izod | 5 | KJ/m² | at - 30˚C |
Tensile Impact Test | 86 | KJ/m² | |
Elongation at Break | 8.4 | % | |
Maximum Tension | 16 | MPa | |
Hardness Shore D | 45 | ||
Ball Indentation Test | 16 | MPa | Applied load 49 N |
ESCR | 3 | hours |
Thermal Properties | |||
Heat Deflection Temperature | 39 | ˚C | at 0.45 MPa (HDT/B) |
Vicat Softening Temperature | 82 | ˚C | at 10N (VST/A) |
DSC Test | 105 | ˚C | Melting point |
Enthalpy Change | 104 | J/g |
Uses
LDPE 1922T has been found very useful in making snap-on lids besides household items as well as toys among others because of its well-balanced properties like ease of processability, durability and stability; hence becoming a favorite choice material for production purposes within consumer goods industry.
Packing & transportation
This particular product comes packaged into pellets form thus making them easy to handle and store too. Bulk shipment is possible while each bag can weigh twenty five kilograms with every pallet carrying up to one thousand three hundred seventy-five kilograms thereby ensuring efficient distribution coupled with storage capacity both at once.
LDPE 1922T
The grade especially developed for applications requiring a good balance between flow properties and mechanical properties,e.g.toys,houseware,snap-on lids