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Durable Quartz Alumina Ceramic Plunger for Glass Manufacturing Efficiency1
Ceramic MaterialQuartz PlungersMelting Glass Furnace
Shandong Mingte Ceramic Materials Co., Ltd.
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Product DescriptionSuperior Quartz Glass Plunger for High-Temperature Glass ProcessingThe quartz plunger is an important functional component in the glass feeder, which is mainly used to stir, guide or control the flow of molten glass to ensure the uniformity and precision of the glass forming process. It performs well in high temperature and highly corrosive environments and is one of the key tools for high-end glass manufacturing.SpecificationKey Performance Advantages1. Unmatched Thermal Properties:Withstands continuous operation at 1500°C (verified in ASTM C158 tests)Ultra-low thermal expansion (0.54×10-6/°C) prevents thermal stress fracturesSurvives 500+ thermal shock cycles (water-quench tested at 1100°C)2. Chemical Stability:99.5-99.7% SiO2 composition ensures zero contaminationProven compatibility with borosilicate, optical, and LCD glass formulationsExcellent resistance to glass corrosion (tested per ISO 719)Engineering Design FeaturesCustom diameters from ?10mm to ?50mm with ±1mm toleranceSurface roughness Ra ≤2.0μm reduces glass adhesion by up to 40%Specialized coatings available for aluminum silicate glass applicationsTechnical Specifications(Custom configurations available upon request.)PropertiesQuartz CeramicsSiO2 (%)>99.5-99.7Bulk Density (g/cm3)1.8-2.0Apparent Porosity (%)10-17Normal Temperature Compressive Strength (Mpa)20-80Thermal Expansion (×10-6/k)0.6Thermal Conductivity (W/m℃)0.66Roughness (um)Ra<2.0Why Choose Us?Certified Excellence: Our production meets ISO standards with rigorous testing for refractory ceramics.Tailored Solutions: We offer specialized crucibles for unique applications, including weakly alkaline melts.Global Reach: Trusted by high-temp material processors across Europe, Asia, and North America.Company ProfileShandong Mingte Ceramic Materials Co., Ltd.Since 2013, Shandong Mingte Ceramic Materials Co., Ltd. has thrived in Mingji Town, Zouping City, covering 42,000 sqm. As leaders in high-temp materials and steelmaking components, we bring over ten years of R&D expertise. Our commitment to innovation and integrity drives advancements in technology and industry standards.Why Choose Us?Explore Our Other ProductsOEM/ODM capabilitiesCompetitive pricing & bulk discountsFast shipping & customs clearance supportSolutions for high-temperature kiln furnitureCorundum/Alumina Mullite Crucibles/SaggersQuartz CruciblesGraphite Silicon Carbide CruciblesGraphite SaggersZirconia CruciblesFAQQ: How can products be customized?A: Share your drawings and dimensions, product's use, and environment. We craft a prime formula to meet your needs and produce accordingly.Q: Can I request a customized product size?A: Absolutely! We offer custom-size attachments.Q: What documents do you provide for export?A: Complete export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).Q: How do I place an order?A: Contact us via email/phone for a quote, then confirm with a purchase order.
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