HD249P is designed for hydrogen storage is a high density polyethylene modified powder with high strength, high toughness and low shrinkage.
HD249P is designed for hydrogen storage is a high density polyethylene modified powder with high strength, high toughness and low shrinkage.
Forms |
● Commercial:active |
Availability |
● AS |
Additive |
● HS、UV、MRA |
Features |
● High Rigidity ● Low Shrinkage |
Uses |
● Hydrogen Cylinder ● Shell ● Box |
Agency Ratings |
● RoHS ● FDA |
Packaging |
● 20Kg / packaging |
Shelf Life |
● 1 years from the date of production |
Inspection Items |
Measured Value |
Unit | Standard | |
Physical Properties | ||||
Density | 0.946 | g/cm3 | GB/T 1033.1 | |
Bulk Density | 0.400 | g/cm3 | GB/T 1636 | |
Dry Flow Rate | 25 | s/100g | GB/T 40934 | |
30 Mesh Residue | 1.2 | % | ASTM D1921 | |
Melt Index (190℃,2.16Kg) | 4.0 | g/10min | GB/T 3682.1 | |
Melting Point | 132 | ℃ | GB/T 19466.3 | |
Crystallinity | 60 | % | GB/T 19466.3 | |
Hydrogen Permeability | 15℃ | 6.4x10-16 | mol·m/㎡2·s·Pa | GB/T 42610 |
55℃ | 2.0x10-15 | |||
Contraction Rate | Rectilinear segment | 3.0 | % | / |
diameter | 1.5 | % | / | |
Mechanical | ||||
Shore Hardness | D 1 | 68 | / | GB/T 2411 |
D 15 | 63 | |||
(50mm/min) | 90℃ | 9 | MPa | GB/T 4010 |
Inspection Items |
Measured Value |
Unit | Standard | |
Tensile Strength at Yield | 23℃ | 22 | ||
-55℃ | 41 | |||
(50mm/min)
Tensile Elongation at Yield |
90℃ | 700 | % | GB/T 4010 |
23℃ | 200 | |||
-55℃ | 30 | |||
(50mm/min),23℃ Tensile Modulus of Elasticity |
1000 | MPa | GB/T 4010 | |
Poisson's ratio | 0.46 | / | GB/T 4010 | |
(2mm/min) Flexural Strength |
24 | MPa | GB/T 9341 | |
2mm/min) Flexural Modulus |
980 | MPa | GB/T 9341 | |
Impact Strength (-40℃) | 25 | J/mm | GB/T 39933 | |
Thermal | ||||
Deflection Temperature (0.45MPa) |
78 | ℃ | GB/T 1634.2 | |
Vicat Softening Point (1 Kg) |
120 | ℃ | GB/T 1633 | |
Other | ||||
Surface Resistivity | 10 17 | Ω | IEC 60093 | |
Flame Retardant | HB | LEVEL | UL-94 | |
molding. This guide data is typical of the brand product data, and can not be used as indicators of supplierquality assurance. |