{"id":648,"date":"2021-09-14T10:50:23","date_gmt":"2021-09-14T10:50:23","guid":{"rendered":"https:\/\/ultra-mat.com\/main\/?post_type=product&p=648"},"modified":"2021-11-28T11:31:54","modified_gmt":"2021-11-28T11:31:54","slug":"%d7%a7%d7%a8%d7%9e%d7%99%d7%a7%d7%94-%d7%94%d7%a0%d7%93%d7%a1%d7%99%d7%aa","status":"publish","type":"product","link":"https:\/\/ultra-mat.com\/main\/he\/product\/%d7%a7%d7%a8%d7%9e%d7%99%d7%a7%d7%94-%d7%94%d7%a0%d7%93%d7%a1%d7%99%d7%aa\/","title":{"rendered":"\u05e7\u05e8\u05de\u05d9\u05e7\u05d4 \u05d4\u05e0\u05d3\u05e1\u05d9\u05ea"},"content":{"rendered":"

[vc_row][vc_column][vc_custom_heading text=”\u05e7\u05e8\u05de\u05d9\u05e7\u05d4 \u05d4\u05e0\u05d3\u05e1\u05d9\u05ea” font_container=”tag:h2|text_align:right|color:%23000000″ use_theme_fonts=”yes” css=”.vc_custom_1638075673986{padding-bottom: 25px !important;}”][vc_row_inner][vc_column_inner width=”1\/4″][vc_single_image image=”397″ img_size=”large” style=”vc_box_border” border_color=”black”][\/vc_column_inner][vc_column_inner width=”3\/4″][vc_column_text]<\/p>\n

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\u05d0\u05e0\u05d5 \u05de\u05ea\u05de\u05d7\u05d9\u05dd \u05d1\u05d0\u05e1\u05e4\u05e7\u05ea \u05d7\u05dc\u05e7\u05d9\u05dd \u05dc\u05ea\u05e0\u05d5\u05e8\u05d9\u05dd, \u05de\u05d1\u05d5\u05d3\u05d3\u05d9\u05dd, \u05d0\u05d8\u05de\u05d9\u05dd, \u05db\u05d5\u05e8\u05d9\u05d5\u05ea \u05d5\u05e1\u05d9\u05e8\u05d5\u05ea, \u05de\u05e6\u05e2\u05d9\u05dd, \u05e9\u05e8\u05d5\u05d5\u05dc\u05d9\u05dd, \u05e6\u05d9\u05e0\u05d5\u05e8\u05d5\u05ea \u05d5\u05db\u05d3’.<\/p>\n

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[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column][vc_row_inner][vc_column_inner width=”1\/2″][vc_custom_heading text=”\u05e8\u05e9\u05d9\u05de\u05ea \u05d7\u05dc\u05e7\u05d9\u05dd \u05d7\u05dc\u05e7\u05d9\u05ea” font_container=”tag:h3|text_align:right”][vc_column_text]<\/p>\n

    \n
  • \u05d0\u05d8\u05de\u05d9\u05dd<\/li>\n
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  • \u05d3\u05d9\u05d6\u05d5\u05ea<\/li>\n
  • \u05e6\u05d9\u05e0\u05d5\u05e8\u05d5\u05ea<\/li>\n
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  • \u05d3\u05d9\u05e1\u05e7\u05d0\u05d5\u05ea<\/li>\n
  • \u05d7\u05dc\u05e7\u05d9\u05dd \u05dc\u05e4\u05d9 \u05de\u05e4\u05e8\u05d8 \u05d5\u05e9\u05e8\u05d8\u05d5\u05d8<\/li>\n<\/ul>\n

    [\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_custom_heading text=”\u05e8\u05e9\u05d9\u05de\u05ea \u05d7\u05d5\u05de\u05e8\u05d9\u05dd \u05d7\u05dc\u05e7\u05d9\u05ea” font_container=”tag:h3|text_align:right”][vc_column_text]<\/p>\n

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    • \u05d0\u05dc\u05d5\u05de\u05d9\u05e0\u05d4<\/li>\n
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    • MACOR<\/li>\n
    • \u05e1\u05e4\u05d9\u05e8<\/li>\n
    • BK7<\/li>\n
    • \u05e7\u05d5\u05d5\u05e8\u05e5<\/li>\n
    • \u05d5\u05e2\u05d5\u05d3<\/li>\n<\/ul>\n

      [\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css=”.vc_custom_1627558042265{padding-top: 25px !important;}”][vc_column][vc_custom_heading text=”\u05d7\u05d5\u05de\u05e8\u05d9 \u05d0\u05dc\u05d5\u05de\u05d9\u05e0\u05d4” font_container=”tag:h2|font_size:22px|text_align:right|color:%23000000″ use_theme_fonts=”yes” css=”.vc_custom_1638080599379{padding-bottom: 25px !important;}”][vc_column_text]<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Properties<\/td>\nUnits<\/td>\nTest<\/td>\n85% Al2O3<\/td>\n90% Al2O3<\/td>\n94% Al2O3<\/td>\n96% Al2O3<\/td>\n98.5% Al2O3<\/td>\n99.5% Al2O3<\/td>\n99.8% Al2O3<\/td>\n<\/tr>\n
      Density<\/td>\ngm\/cc<\/td>\nASTM C20<\/td>\n3.42<\/td>\n3.60<\/td>\n3.70<\/td>\n3.72<\/td>\n3.80<\/td>\n3.90<\/td>\n3.92<\/td>\n<\/tr>\n
      Crystal Size Avg.<\/td>\nMicrons<\/td>\nThin Section<\/td>\n6<\/td>\n4<\/td>\n12<\/td>\n6<\/td>\n6<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
      Water Absorption<\/td>\n%<\/td>\nASTM 373<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
      Flexural Strength (MOR) 20C<\/td>\nMPa (psi x 10^3)<\/td>\nASTM F417<\/td>\n296 (43)<\/td>\n338 (49)<\/td>\n352 (51)<\/td>\n358 (52)<\/td>\n375 (54)<\/td>\n379 (55)<\/td>\n375 (54)<\/td>\n<\/tr>\n
      Elastic Modulus 20C<\/td>\nGPa (psi x 10^6)<\/td>\nASTM C848<\/td>\n221 (32)<\/td>\n276 (40)<\/td>\n303 (44)<\/td>\n303 (44)<\/td>\n350 (51)<\/td>\n370 (54)<\/td>\n370 (54)<\/td>\n<\/tr>\n
      Compressive Strength 20C<\/td>\nMPa (psi x 10^3)<\/td>\nASTM C773<\/td>\n1930 (280)<\/td>\n2482 (360)<\/td>\n2103 (305)<\/td>\n2068 (300)<\/td>\n2500 (363)<\/td>\n2600 (377)<\/td>\n2500 (363)<\/td>\n<\/tr>\n
      Hardness<\/td>\nGPa (kg x mm^2)<\/td>\nKnoop 1000 gm
      \nRockwell 45N<\/td>\n      		9.4 (960)
      \n73<\/td>\n      		10.4 (1058)
      \n75<\/td>\n      		11.5 (1175)
      \n78<\/td>\n      		11.5 (1175)
      \n78<\/td>\n      		13.7 (1400)
      \n82<\/td>\n      		14.1 (1440)
      \n83<\/td>\n      		14.1 (1440)
      \n83<\/td>\n<\/tr>\n
      Thermal Conductivity 100C<\/td>\nW\/m K<\/td>\nASTM C408<\/td>\n16.0<\/td>\n16.7<\/td>\n22.4<\/td>\n24.7<\/td>\n27.5<\/td>\n30.0<\/td>\n30.0<\/td>\n<\/tr>\n
      Coefficient of Thermal Expansion 25-1000C<\/td>\n1X10^-6 \/C<\/td>\nASTM C372<\/td>\n7.2<\/td>\n8.1<\/td>\n8.2<\/td>\n8.2<\/td>\n8.2<\/td>\n8.2<\/td>\n8.2<\/td>\n<\/tr>\n
      Thermal Shock Resistance<\/td>\nC<\/td>\nQuenching<\/td>\n300<\/td>\n250<\/td>\n250<\/td>\n250<\/td>\n200<\/td>\n200<\/td>\n200<\/td>\n<\/tr>\n
      Max Use Temp<\/td>\nC<\/td>\nNo Load Cond.<\/td>\n1400<\/td>\n1500<\/td>\n1700<\/td>\n1700<\/td>\n1700<\/td>\n1750<\/td>\n1750<\/td>\n<\/tr>\n
      Dielectric Strength<\/td>\nac-kV\/mm (ac V\/mil)<\/td>\nASTM D116<\/td>\n9.4 (240)<\/td>\n8.3 (210)<\/td>\n8.3 (210)<\/td>\n8.3 (210)<\/td>\n8.7 (220)<\/td>\n8.7 (220)<\/td>\n8.7 (220)<\/td>\n<\/tr>\n
      Dielectric Constant 1MHz<\/td>\n25C<\/td>\nASTM D150<\/td>\n8.2<\/td>\n8.8<\/td>\n9.1<\/td>\n9<\/td>\n9.6<\/td>\n9.7<\/td>\n9.8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading text=”\u05d7\u05d5\u05de\u05e8\u05d9 \u05d6\u05d9\u05e8\u05e7\u05d5\u05e0\u05d9\u05d4” font_container=”tag:h3|font_size:22px|text_align:right|color:%23000000″ use_theme_fonts=”yes” css=”.vc_custom_1638098709276{padding-bottom: 10px !important;}”][vc_column_text]<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Properties<\/td>\nUnits<\/td>\nTest<\/td>\nZirconia Toughened Alumina<\/td>\nMagnesia partially Stabilized Zirconia<\/td>\nYttria partially stabilized Zirconia (Sintered)<\/td>\nYttria partially stabilized Zirconia (Hipped)<\/td>\n<\/tr>\n
      Density<\/td>\ngm\/cc<\/td>\nASTM C20<\/td>\n4.01<\/td>\n5.72<\/td>\n6.02<\/td>\n6.07<\/td>\n<\/tr>\n
      Crystal Size Avg.<\/td>\nMicrons<\/td>\nThin Section<\/td>\n2<\/td>\n35<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n
      Water Absorption<\/td>\n%<\/td>\nASTM 373<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
      Flexural Strength (MOR) 20C<\/td>\nMPa (psi x 10^3)<\/td>\nASTM F417<\/td>\n450 (65)<\/td>\n758 (110)<\/td>\n1240 (180)<\/td>\n1720 (250)<\/td>\n<\/tr>\n
      Elastic Modulus 20C<\/td>\nGPa (psi x 10^6)<\/td>\nASTM C848<\/td>\n360 (52)<\/td>\n200 (29)<\/td>\n210 (30)<\/td>\n210 (30)<\/td>\n<\/tr>\n
      Compressive Strength 20C<\/td>\nMPa (psi x 10^3)<\/td>\nASTM C773<\/td>\n2900 (421)<\/td>\n1750 (254)<\/td>\n2500 (363)<\/td>\n2500 (363)<\/td>\n<\/tr>\n
      Hardness<\/td>\nGPa (kg x mm^2)<\/td>\nKnoop 1000 gm
      \nRockwell 45N<\/td>\n      		14.4 (1475)
      \n85<\/td>\n      		11.8 (1200)
      \n77<\/td>\n      		12.7 (1300)
      \n81<\/td>\n      		12.7 (1300)
      \n81<\/td>\n<\/tr>\n
      Thermal Conductivity 100C<\/td>\nW\/m K<\/td>\nASTM C408<\/td>\n27.0<\/td>\n2.2<\/td>\n2.2<\/td>\n2.2<\/td>\n<\/tr>\n
      Coefficient of Thermal Expansion 25-1000C<\/td>\n1X10^-6 \/C<\/td>\nASTM C372<\/td>\n8.3<\/td>\n10.2<\/td>\n10.3<\/td>\n10.3<\/td>\n<\/tr>\n
      Thermal Shock Resistance<\/td>\nC<\/td>\nQuenching<\/td>\n300<\/td>\n350<\/td>\n350<\/td>\n350<\/td>\n<\/tr>\n
      Max Use Temp<\/td>\nC<\/td>\nNo Load Cond.<\/td>\n1500<\/td>\n500<\/td>\n1500<\/td>\n1500<\/td>\n<\/tr>\n
      Dielectric Strength<\/td>\nac-kV\/mm (ac V\/mil)<\/td>\nASTM D116<\/td>\n9.0 (228)<\/td>\n8.4 (240)<\/td>\n9.0 (228)<\/td>\n9.0 (228)<\/td>\n<\/tr>\n
      Dielectric Constant 1MHz<\/td>\n25C<\/td>\nASTM D150<\/td>\n10.6<\/td>\n28.0<\/td>\n29.0<\/td>\n29.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_custom_heading text=”\u05d8\u05d1\u05dc\u05ea \u05d4\u05de\u05e8\u05ea \u05d8\u05d9\u05d1\u05d9 \u05e9\u05d8\u05d7” font_container=”tag:h3|font_size:22px|text_align:right|color:%23000000″ use_theme_fonts=”yes” css=”.vc_custom_1638081057674{padding-bottom: 10px !important;}”][vc_column_text]<\/p>\n\n\n\n\n\n\n
      R a-Um-<\/td>\n0.025<\/td>\n0.05<\/td>\n0.1<\/td>\n0.2<\/td>\n0.4<\/td>\n0.8<\/td>\n1.6<\/td>\n3.2<\/td>\n6.3<\/td>\n12.5<\/td>\n25<\/td>\n50<\/td>\n<\/tr>\n
      R a-Uinch<\/td>\n1<\/td>\n2<\/td>\n4<\/td>\n8<\/td>\n16<\/td>\n32<\/td>\n63<\/td>\n125<\/td>\n250<\/td>\n500<\/td>\n1000<\/td>\n2000<\/td>\n<\/tr>\n
      N Grade<\/td>\nN1<\/td>\nN2<\/td>\nN3<\/td>\nN4<\/td>\nN5<\/td>\nN6<\/td>\nN7<\/td>\nN8<\/td>\nN9<\/td>\nN10<\/td>\nN11<\/td>\nN12<\/td>\n<\/tr>\n
      Finish<\/td>\nFine lapped<\/td>\nLapping
      \nSuperfinishing<\/td>\n      		Lapping
      \nSuperfinishing<\/td>\n      		Ground<\/td>\nGround<\/td>\nGround<\/td>\nSmooth Turned<\/td>\nSmooth Turned<\/td>\nMedium Turned<\/td>\nMedium Turned<\/td>\nRough Machined<\/td>\nRough Machined<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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