Verschleißfeste Aluminiumoxid-Keramik Dreiwegerohr

Enterprise qualification:Advanced equipment More10 engineers Leading company insame field ISO 9001:2000 High productivity. High Purity Alumina Three-way pipe TS3004: 1. Extreme high temperature stability under reducing, inert and high vacuum condition under high temperature up to 1800C. 2. Extreme wear and abrasion resistance. 3. Chemical corrosion resistance under high temperature. 4. High dielectric properties. 5. Gas tight for many applications to provide protective atmospheres or high vacuum at high temperature to eliminate contamination or impurity. Specification: Chemical competentAl2O3≥85%SiO2<12%Fe2O3<0.5%Alkaline matter<2.5%Density2.6 g/cm3Hardness7 MWater absorption<0.2%Rupture strength>1300kg/cm2Gas tightnessKept for ten minutes at negative pressure of 1.3Kpa. The pressure drop is less than 0.3Kpa.Heat toleranceInsert the pipe into the furnace at a depth of 20mm. Heat to 1600ºC and maintain for 30 minutes.Alkali toleranceIn the Na2CO3 solution of 2N concentration, boil for 15 hours with the weight loss not greater than 20mg/dm2.Volume resistance>2*10(5) Ω·cm/1300ºCBreakdown voltage18kv/cmExpansion coefficient5*10(-8)Temperature for useLong-term: 1400ºC Short-term: 1600ºCChill and abrupt heat1300ºC room temperature not cracking thrice.