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Mullite

Mullites (3Al2O3 + 2SiO2) are refractory oxide materials combining low thermal expansion, good mechanical strength and resilience at elevated temperatures. Vesuvius McDanel mullites are formulated to produce dense shapes, some in a glass matrix in order to yield maximum thermal shock resistance and good strength.

Grades Typical Uses
MV20 ´Â À¯¸®°°Àº ¸ÞÆ®¸¯½º·Î Çü¼ºµÈ ¸Å¿ì Ä¡¹ÐÇÑ ¹Ä¶óÀÌÆ®ÀÌ¸ç °íÇ°ÁúÀÎ µ¿½Ã¿¡ °æÁ¦ÀûÀÎ ½á¸ðÄ«Çà ¿ëµµÀÇ Àý¿¬ Æ©ºê·Î »ç¿ëÇÑ´Ù ¿°±â »êÈ­ ȯ°æÀÇ Àý¿¬Àç·Î ±Í±Ý¼Ó ½á¸ðÄ«Ç÷Π1450¡É.±îÁö Àû¿ëÇÑ´Ù
MV30 ´Â ¹°¼ºÀÌ ¸Å¿ì À¯¿¬ÇÏ¿© ¿©·¯ °¡Áö Ư¼öÇÑ ¸ðÇüÀ» ÁÖÁ¶ÇÒ ¼ö ÀÖ°í ¿ëµµ°¡ ¸Å¿ì ¸¹Àº °æÁ¦ÀûÀÎ ¼ÒÀçÀÌ´Ù ½á¸ðÄ«Çú¸È£°ü, °üÂû°ü, ÆÛ³×À̽º¸ÓÇÃ, È®»ê¶óÀ̳Ê, ¿¬¼Ò°ü, ¹æ»ç·Î-Æ©ºê, ų¸¥ ·Ñ·¯ Àç·á·Î Àû¿ë



Alumina

Aluminas (Al2O3) are generally more chemically resistant, harder, stronger and more refractory than mullite.

Grades Typical Uses
998 99.8% alumina can be used at operating temperatures to 1950¡É in both oxidizing and reducing atmospheres. Tubes have been evacuated to 10-7 Torr at 1500¡É. 998 proves inert to hydrogen, carbon and refractory metals in many severe situations. ±Í±Ý¼Ó ½á¸ðÄ«Çà º¸È£°ü, ÆÛ³×À̽º Æ©ºê, °í¿Â Áø°ø·Î, ¿­Ã³¸®·Î ·Ñ·¯, ¹æ»ç Æ©ºê, ·¹ÀÌÀúÆ©ºê, Äڷγª ¹æÀü 󸮰ü, ¿ÀÁ¸ ¹ß»ý±â
AP35 99.0% alumina is a high purity body designed for the extrusion manufacturing process. It offers good insulating characteristics and high temperature capabilities. ºÎ½Ä¼ºÈ¯°æ °ú Àü±âÀý¿¬ ¿ëµµ. ±Í±Ý¼Ó ½á¸ðÄ«ÇÃ, È®»ê·Î ÇÁ·ÎÆÄÀÏ Á¢¼Ó, ·¹ÀÌÀúÆÄ °¡À̵å
AV30 96% alumina is an exceptionally tough alumina at an economical price designed especially for wear resistant applications. ¸¶¸êÀÌ ½ÉÇÑ ºÎ½Ä¼ºÈ¯°æ



Zirconia

Zirconias (ZrO2) are extremely refractory materials. They possess excellent chemical inertness and corrosion resistance at temperatures well above the melting point of alumina. Vesuvius McDanel zirconias are stabilized in the cubic crystal structure to avoid cracking and mechanical weakening during heating and cooling. In addition to their refractoriness, they offer low thermal conductivity and are electrical conductors above 800°C. They also possess the unique ability to allow oxygen ions to move freely through the crystal structure above 600¡É.

 
Grades Typical Uses
Z105 is a fine grained, high density, cubic crystal, yttria (10.5%) stabilized zirconia. It is an excellent general purpose zirconia. Available by quotation. »ê¼Ò ¼¾¼­, ½á¸ðÄ«Çà º¸È£°ü, ÆÛ³×À̽º ¸ÓÇ÷¯, ÆÛ³×À̽º ¶óÀ̳Ê, µµ°¡´Ï, °í¿Â È÷Æÿ¤¸®¸àÆ® ÁöÁö´ë



Sialon

Vesuvius SiAlON is an alloy of silicon nitride and aluminum oxide. This superior refractory material has the combined properties of silicon nitride (high strength, hardness, fracture toughness and low thermal expansion) and aluminum oxide (corrosion resistance, chemically inert, high temperature capabilities and oxidation resistance.

Most refractory products are capable of surviving one or two specific environments that typically involve high temperature, mechanical abuse, corrosion, wear or electrical resistance. Vesuvius SiAlON has the capability to withstand all of these environments - at the same time!

Grades Typical Uses
SiAlON ST ±Ý¼Ó¿ëÅÁ, ³»¸¶¸ð¼ºÀ̳ª Ãæ°ÝÀÌ °­ÇÑ È¯°æ¿¡ ÀûÇÕ, 1250¡É±îÁö Àû¿ë. °ÅÀÇ ¸ðµç ºñ-ö±Ý¼Ó ¿ëÅÁ¿¡ Á¥Áö ¾ÊÀ¸¸ç, °³½ºÅ¸ÀÌÆ®(Gas tight), È­ÇÐÀûÀÎ ºÒÈ°¼º, ³» ºÎ½Ä¼º, ±Ý¼ÓÀÇ Ãæ°Ý, °­ÇÏ°í ´Ü´ÜÇϸç, ¿­ Ãæ°Ý ÀúÇ×¼ºÀÌ ¸Å¿ì ÁÁ´Ù
SiAlON BN 1500¡É±îÁö Àû¿ëÇÏ¸ç °­Ã¶(½ºÆ¿)¿ëÇØ ÀÛ¾÷¿¡ ÀûÇÕÇÏ´Ù. ÀÌ ¼ÒÀç´Â ¿­ Ãæ°Ý ÀúÇ×¼º°ú À±È°¼ºÀ» ³ôÀ̱â À§ÇÏ¿© ÁúÈ­ºØ¼Ò(º¸·Ð ³ªÀÌÆ®¶óÀ̵å)¸¦ SiAlON ST¿¡ ÷°¡ÇÑ º¹ÇÕ¼ÒÀçÀÌ´Ù. ´Ù°ø¼ºÀ» ÁÙÀÌ°í °æµµ/Àå·ÂÀ» Çâ»ó ½ÃÅ°¸ç,  ³»ºÎ½Ä¼ºÀ» ³ôÀÓ°ú µ¿½Ã¿¡ °¡¿ë ¿Âµµ¸¦ ³ôÀÎ ¼ÒÀçÀÌ´Ù



Fused Silica

Vesuvius' comprehensive range of Zyarock® ceramic shapes are made from a high purity amorphous silica, high performance ceramic. It has a very low expansion, remarkable thermal shock resistance, low thermal conductivity, excellent electrical insulation up to 1000¡É and excellent resistance to corrosion from molten metal and glass.

Grades Typical Uses
Zyarock® °­Ã¶ ¸¸µé±â, ÄÚÅ©½º ¸¸µé±â, ¾ß±Ý, À¯¸® »ý»ê, ºñ-ö ÁÖÁ¶, Á¤¹Ð ÁÖÁ¶, ¼¼¶ó¹Í°ü·Ã ¿ëµµ¿¡ ÀûÇÕÇÏ°í, È­Çлê¾÷, ÇÙ-°ü·Ã»ê¾÷ ¹× Ç×°ø/ºñÇà°ü·Ã »ê¾÷¿¡ Àû¿ëÇÑ´Ù