Cascell® HF foam core has been specifically designed for antenna application, due to its extremely low dielectric constants and particularly favorable transmission properties. It can also be used as structural core for radomes and mammography plates.
Processing and production
With an extremely fine closed-cell structure, the foam has minimal resin uptake and problem-free compatibility with metallic facing materials due to the absence of corrosive effects.
Cascell ® HF foam is suitable for hand lay-up, prepreg processing and vacuum infusion at temperature up to 130°C and pressure up to 0.3 MPa.
Thermoforming and shaping
Cascell® HF can be easily thermoformed or CNC machined to meet customers’ requirements, bringing tremendous manufacturing advantages.
High precision, pre-shaped and ready-to-use foam cores in complex or simple geometries can also be supplied by the Cascell® Machining Department.
MECHANICAL PERFORMANCE
|
Type |
Test Method |
Units |
CASCELL® 50 HF |
CASCELL® 75 HF |
|
Density |
ISO845 |
Kg/m3 |
50 |
75 |
|
Compressive Strength |
ISO844 |
MPa |
0.83 |
1.65 |
|
Tensile Strength |
ASTM D638 |
MPa |
1.65 |
2.20 |
|
Elastic Modulus |
ASTM D638 |
MPa |
75 |
100 |
|
Elongation At break |
ASTM D638 |
% |
2.8 |
2.9 |
|
Flexural Strength |
ASTM D790 |
MPa |
1.55 |
2.80 |
|
Shear Strength |
ASTM C273 |
MPa |
0.85 |
1.25 |
|
Shear Modulus |
ASTM C273 |
MPa |
28 |
45 |
|
Compressive Creep |
GB/T 15048 |
% |
≦2.0 |
|
|
Temperature Resistance |
DIN 53424 |
℃ |
≧200 |
|
Compressive creep testing conditions：
Cascell® 50HF, 130℃/0.3MPa/2h
Cascell® 75HF, 150℃/0.3MPa/2h
Note: Technical data of our products are typical values for the nominal density.
PRODUCT SPECIFICATION
|
Cascell® |
Size[mm] |
Standard Thickness Range[mm] |
Thinkness Tolerance[mm] |
|
50 HF |
2500*1250 |
1-50 |
±0.2 |
|
75 HF |
2500*1250 |
1-50 |
±0.2 |
Note: 1-4mm thick sheet is supplied in 1/4 or 1/2 sheet size.
All heat-treated sheets supplied in sealed aluminum packaging.
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