根據用途，選用不同的基材(棉布、玻璃纖維布等)制造出來的酚醛樹脂層壓板，長久以來被大量且廣泛地使用于各產業界。酚醛樹脂的耐熱性比一般樹脂更強，還可以抵御各種溶劑以及酸性化學藥品的侵蝕。其*的電氣，機械，易加工等特性與合理的價格獲得我們用戶的高度信賴。特別是以棉布為基材的酚醛層壓板，它的機械加工性和耐沖擊性都非常出眾，被廣泛地應用標準。 產品：3025/3026/NEMA 標準：CE/LE , IEC標準 PFCC 物性表| Phenolic Cotton Cloth Laminated Sheet (Similar to NEMA C/CE/L/LE) |
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| Properties | Unit | Value | | Flexural strength perpendicular to laminations | MPa | ≥100 | | Bonding strength ( ≥10mm in thickness) | N | - | | Impact strength parallel to laminations (Charpy) | KJ/m2 | ≥8.8 | | Insulation resistance after immersion in water (D-24/23) | W | ≥1×106 | Dielectric strength perpendicular to laminations
(in 90±2℃ transformer oil, 1 mm in thickness) | MV/m | ≥0.82 | Breakdown voltage parallel to laminations
(in 90±2℃ transformer oil) | KV | ≥1 | | Density | g/cm3 | 1.40 | | Water absorption (D-24/23, 1.6mm in thickness) | mg | ≤220 | | Color | — | Natural |
規格 |
