Values noted are representative values, not standard values.
1.Line up
Unit | BF-150 | BF-300 | BF-400 | BF-500 | BF-700 | Test Codition | |
---|---|---|---|---|---|---|---|
Apparent density | kg/m3 | 150 | 300 | 400 | 500 | 700 | JIS K 7222 |
Permissible contact pressure | N/cm2 | 3.5 | 10 | 20 | 35 | 75 | - |
Static spring constant | N/mm | 65 | 150 | 500 | 860 | 2000 | JIS K 6385 |
Dynamic spring constant | N/mm | 250 | 650 | 800 | 1800 | 3800 | JIS K 6385 |
Hardness (Asker C) | - | 25 | 40 | 48 | 65 | 75 | JIS K 7312 |
Compression set | % | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | JIS K 6400-4 |
Tensile strength | kPa | 900 | 1200 | 1600 | 1900 | 2900 | JIS K 6400-5 |
Elongation at break | % | 190 | 200 | 190 | 190 | 180 | JIS K 6400-5 |
Tear strength | N/cm | 40 | 60 | 80 | 110 | 180 | JIS K 6400-5 |
Low-combustibility | FMVSS NO.302 | ○ | ○ | ○ | ○ | ○ | - |
ASTM E662 | ○ | - | - | ○ | - | - | |
BSS 7239 | ○ | - | - | ○ | - | - |
・Static spring constant t25x100x100mm , 5%〜15%compression
・Dynamic spring constant t25x100x100mm , 10%compression, 10Hz
2.Vibration characteristic
Calculation formula of compression ratio and natural frequency
Please enter a weight and a bearing area.
Compressibility and natural frequency at 25mm thickness will be estimated.
Natural frequency can be confirmed by entering different thickness.
3.Creep and Strain characteristic
Creep
Test condition : 25℃, 10%compression
Repeat compression set
Test Codition : 5Hz, 15% compression, 10 thousand times
Unit | BF-150 | BF-300 | BF-400 | BF-500 | BF-700 | |
---|---|---|---|---|---|---|
Repeat compression set | % | 2.0 | 2.0 | 2.0 | 2.5 | 2.5 |
4.Clean Performance
Unit | Limited Detect | BF-150 | Test Codition | ||
---|---|---|---|---|---|
Sulfur | ppm | 10 | N.D. | US EPA 8270D:2007 | |
Dimethyl Siloxane (D3-D12) | ppm | 0.1 | N.D. | BS EN 14582:2007 | |
Halogen (F, Cl, Br, I) | ppm | 50 | N.D. | BS EN 14582:2007 |
5.Product size
Unit | BF-150 | BF-300 | BF-400 | BF-500 | BF-700 | |
---|---|---|---|---|---|---|
Size | mm | 500 x 1000 | ||||
Thickness | mm | 0.5 - 50 | 1.5 - 50 | 3.0 - 50 | 3.0 - 50 | 3.0 - 40 |