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Kepadatan | Density |
Kekerasan | >7 |
Kekuatan regang | 4.8 × 107Pa(N/M2) |
Modulus curah | 93 × 103 M pa |
Modulus of kaku | Bulk modulus |
Modulus muda | 63KN/mm3 |
Kekuatan kompresif | 1200kg/ cm2 |
Rasio Poisson | 0.18 |
Koefisien ekspansi termal | (0-300 ℃) (3.3 ± 0.1)x10-6K-1 |
Koefisien konduktivitas termal | 1.2W ×(m× K) -1 |
Kapasitas Panas tertentu | (20-100 ℃) ((kgxk) |
Transmitansi cahaya | 92% |
Indeks bias | Nd: 1.47384 |
Panjang gelombangnya | 435.8nm = 1.481, 479.9nm = 1.4772 , 546.1nm = 1.4732 |
Titik pelembut | 810±10 ℃ |
Resisvitas | 250 ℃ 8,0Ω × CM |
Koefisien dielektrik | 4.7 |
Kekuatan dielektrik | 5 × 107 V/M |
Faktor kehilangan dielektrik | Tancut (MC20 ℃)≤ 38 × 10-4 |
Tahan terhadap goncangan dingin dan panas | 280℃ |
Suhu kerja terus menerus | ≤550℃ |
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