Our Strengths【2-2】
Manufacturing technology and molding materials that we can propose.
※This table is for reference only as a guide. * The usable temperature range of silicone is the instantaneous value.
Mooney viscosity is a value that indicates the original softness of rubber. Q = silicone
List of physical properties for each item
ゴム名称 | シリコーン | フッ素 | 天然 | クロロプレン | ブチル | ニトリル | エチレン・プロピレン | ハイパロン | アクリル | ウレタン |
---|---|---|---|---|---|---|---|---|---|---|
ASTM | Q | FKM | NR | CR | IIR | NBR | EPDM | CSM | ACM | U |
比重 | 0.95~0.98 | 1.80~1.82 | 0.92 | 1.15~1.25 | 0.91~0.93 | 0.96~1.02 | 0.86~0.87 | 1.11~1.18 | 1.09~1.10 | 1.00~1.30 |
ムーニー 粘度 ML1+4(100℃) | 液状 | 35~160 | 45~150 | 45~120 | 45~80 | 30~130 | 40~100 | 30~115 | 45~60 | 25~60又は液状 |
可能なJIS硬さ範囲 | 30~90 | 50~90 | 10~90 | 10~90 | 20~90 | 20~90 | 30~90 | 50~90 | 40~90 | 60~90 |
引張強さ(kgf/cm2) | 30~120 | 70~200 | 30~350 | 50~250 | 50~200 | 50~250 | 50~200 | 70~200 | 70~120 | 200~450 |
伸び(%) | 800~50 | 500~100 | 1000~100 | 1000~100 | 800~100 | 800~100 | 800~100 | 500~100 | 600~100 | 800~300 |
反発弾性 | ◎ | △ | ◎ | ◎ | △ | ○ | ○ | ○ | △ | ◎ |
引裂き強さ | ×~△ | ○ | ◎ | ○ | ○ | ○ | △ | ○ | △ | ◎ |
耐摩耗性 | ×~△ | ◎ | ◎ | ○~◎ | ○ | ◎ | ○ | ◎ | ○ | ◎ |
退屈曲き裂性 | × | ○ | ◎ | ○ | ◎ | ○ | ○ | ○ | ○ | ◎ |
使用可能温度範囲(℃) | -120~280※ | -50~300 | -75~90 | -60~120 | -60~150 | -50~120 | -60~150 | -60~150 | -30~180 | -60~80 |
耐老化性 | ◎ | ◎ | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ○ |
耐候性 | ◎ | ◎ | ○ | ◎ | ◎ | ○ | ◎ | ◎ | ◎ | ◎ |
耐オゾン性 | ◎ | ◎ | × | ◎ | ◎ | × | ◎ | ◎ | ◎ | ◎ |
耐炎性 | ×~○ | ◎ | × | ○ | × | ×~△ | × | ○ | ×~△ | ×~△ |
電気絶縁性(Ω・㎝) 体積固有抵抗 | 1011~1016 | 1011~1014 | 1010~1015 | 1010~1012 | 1015~1018 | 1012~1011 | 1012~1016 | 1012~1014 | 108~1010 | 108~1012 |
ガス透過性 (cc・cm/cm2・sec・atm) | 400 | 1 | 18 | 3 | 0.9~1.0 | 0.3~3.5 | 15 | 3 | 10 | 2 |
耐放射性 | △~◎ | △~○ | △~○ | △~○ | × | △~○ | × | △~○ | ×~○ | ○ |
ガソリン,軽油 | ×~△ | ◎ | × | ○ | × | ◎ | × | △ | ◎ | ◎ |
ベンゼン,トルエン | ×~△ | ◎ | × | × | △~○ | ×~△ | △ | ×~△ | × | ×~△ |
トリクレン | ×~○ | ○ | × | × | × | × | × | ×~△ | × | △~○ |
アルコール | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | × | △ |
エーテル | ×~△ | ×~△ | × | ×~△ | △~○ | ×~△ | ○ | × | × | × |
ケトン(MEK) | ○ | × | △~○ | △~○ | ◎ | × | ◎ | △~○ | × | × |
酢酸エチル | △~◎ | × | ×~△ | × | ◎ | ×~△ | ◎ | × | × | △ |
水 | ○ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | △ | △ |
有機酸 | ○ | × | × | ×~△ | △~○ | ×~△ | × | △ | × | × |
高濃度無機酸 | △ | ◎ | △ | ○ | ◎ | ○ | ○ | ◎ | △ | × |
低濃度無機酸 | ○ | ◎ | ○ | ◎ | ◎ | ○ | ◎ | ◎ | ○ | △ |
高濃度アルカリ | ◎ | × | ○ | ◎ | ◎ | ○ | ◎ | ◎ | △ | × |
低濃度アルカリ | ◎ | △ | ○ | ◎ | ◎ | ○ | ◎ | ◎ | ○ | × |