Overview
Quartz felt disc is a specialized industrial material composed of interwoven quartz fibers, offering exceptional thermal and chemical stability. It is manufactured through a high-temperature sintering process, resulting in a lightweight yet durable structure. The disc form factor makes it suitable for applications requiring precise shapes and consistent performance under extreme conditions. Primarily used in high-tech industries, quartz felt discs are valued for their ability to withstand temperatures up to 1200°C continuously while maintaining structural integrity. The material's low thermal conductivity and high dielectric strength further enhance its utility in critical thermal management applications.
Physical and Chemical Properties
Quartz felt discs exhibit remarkable thermal properties, including a melting point of approximately 1670°C and minimal thermal expansion. The material's fibrous structure provides excellent thermal insulation, with thermal conductivity typically ranging between 0.04-0.07 W/m·K at room temperature. These properties remain stable across a wide temperature range, making it reliable for fluctuating thermal environments. Chemically, quartz felt is highly inert, resisting attack from most acids (except hydrofluoric acid) and alkalis. The material demonstrates outstanding electrical insulation properties, with volume resistivity exceeding 10¹⁶ Ω·cm at room temperature. Its low dielectric constant (about 3.8 at 1 MHz) makes it particularly valuable in electronic applications.
Main Applications
In semiconductor manufacturing, quartz felt discs serve as crucial components in diffusion furnaces and CVD chambers, providing thermal insulation between hot zones and sensitive equipment parts. Their purity prevents contamination of silicon wafers during high-temperature processes. The solar industry utilizes these discs in photovoltaic cell production, particularly in metallization and firing furnaces. The aerospace sector employs quartz felt discs for thermal protection systems in spacecraft and re-entry vehicles. Their lightweight nature combined with superior insulating properties makes them ideal for these demanding applications. Additionally, they find use in laboratory equipment, high-temperature gaskets, and as insulation in industrial furnaces across various manufacturing sectors.
Safety and Storage
While quartz felt is non-toxic and chemically stable, proper handling precautions should be observed. Cutting or machining the material may generate fine fibers that could irritate respiratory systems; therefore, appropriate personal protective equipment (PPE) including dust masks and gloves should be used during fabrication processes. Storage requirements are relatively simple but important for maintaining material integrity. Quartz felt discs should be kept in their original packaging until use, stored in dry conditions at room temperature. Exposure to moisture should be minimized as it can temporarily affect the material's handling characteristics, though its performance at high temperatures remains unaffected once dried.
B2B Procurement Guide
When sourcing quartz felt discs, buyers should prioritize suppliers with verifiable quality control processes and material traceability. Key specifications to confirm include SiO₂ purity (typically 99% or higher), fiber diameter (usually 7-15 μm), and density (commonly 0.1-0.3 g/cm³). Request test reports for thermal conductivity and maximum service temperature to ensure suitability for specific applications. For bulk procurement, consider lead times as high-quality quartz felt production involves specialized manufacturing processes. Pricing often varies based on disc diameter and thickness, with custom sizes potentially commanding premium costs. Establish long-term relationships with reputable manufacturers to ensure consistent quality and potentially negotiate better terms for recurring orders.
Related Manufacturers
- 主营：20cst基础油、20cst空白油、75cst基础油、石英毛盘24mm直径、75cst空白油、金属磨损标油
- 主营：毡环带、细毛毡、降噪垫、纤毛毡、密封筒、抛光盘、针刺棉、除尘袋、防寒毡、隔音板、减震带、预氧丝、滑注油、分切机、主题板、吸音毡、毛毡轮、防尘毡、隔热垫、羊毛套、录音棚、毛毡包、滚筒套、印花机、针扎板
- 主营：镜面打磨抛光盘、工业毛毡、毛毡齿轮、抛光轮羊毛盘、羊毛抛光轮、羊毛抛光盘、工业毛毡条、自粘毛毡板、毛毡打磨头、毛毡密封垫、毛毡手提袋
- 主营：烤肉盘、快餐盘、家用小碗、分格便当盒、商用快餐托盘、密胺食堂餐具、商用托盘、密胺托盘、烧烤盘、密胺仿瓷面碗、分格餐盘、仿瓷小碗、快餐碟、仿瓷饮料杯、大汤碗、面碗、汤碗、快餐汤饭碗、圆平盘、仿瓷小汤勺、印花摆台、直边碗、仿瓷圆盘、彩色摆台、磨砂托盘
- 主营：无纺布、毛毡齿轮、吸油毡、针刺毡、化纤毡、羊毛毡、毛毡垫、毛毡轮、毛毡球、毛毡筒、毛毡条、毛毡圈、纤维毡、密封垫、吸音棉、毛毡块、毛毡带、隔音毡、围油锁、围油栏、毛毡制品
- 主营：工业毛毡、混纺毛毡、彩毡、毛毡定制品、输送带、毡垫圈、毛毡块、密封垫、保护垫、毛毡绳、抛光垫、吸油毛毡、防尘垫条、羊毛毡垫、毛毡齿轮、耐热毡带、羊毛抛光轮、阻燃毛毡、羊毛毡、无纺布、纤维毛毡
- 主营：厚板抛光机、拉丝机、磨抛机、砂带机、去毛刺机、打磨机、覆膜机、铝板定厚机
- 主营：pvc缠绕膜、pe缠绕膜、刷丝膜、电线缠绕膜、缠绕膜打包膜、包装膜、打包膜、缠绕膜
- 主营：扭线刷、小刷辊、医用刷、剑麻刷、弹簧刷、羊毛刷、睫毛刷、滚筒刷、长辊刷、钢丝刷、清刷辊、条刷辊、绞线刷、马毛刷、毛刷辊、扫雪机、不沾油、清机刷、磨刷辊、抛光刷、牙线刷、扭丝笔、针刷辊、槽条刷、棉刷辊
- 主营：毛毡桌脚垫、毛毡土工布、毛毡条、毛毡块、毛毡隔音板、毛毡密封圈、工业毛毡、毛毡百叶轮、纤维轮、毛毡、羊毛毡、毛毡制品、毛毡无纺布、化纤毛毡、毛毡垫圈、纤维毛毡、南宫毛毡
- 主营：羊毛毡、阻燃毛毡、工业羊毛毡、书画毛毡、化仟毛毡
- 主营：管道刷
- 主营：cbn打磨、性价比、磨砂轮、抛光轮、结合剂、齿砂轮、砂轮片、树脂sdc、软磨片、100-500mm、5sg砂轮、凹砂轮、cbn砂轮、研磨盘、sdc砂轮、打磨轮、金刚石、烧结片、白刚玉、切割片、破碎料、钎焊砂轮、电镀砂轮、锯片切割、磨具工具
- 主营：自粘蓄光膜、警示贴夜光膜、交通反光膜、透明防护膜、铝箔胶带、铜箔胶带、PET/PU保护膜、pvc蓝膜、耐磨胶带、双面胶带、美纹纸胶带、高温胶带、环氧薄膜电工绝缘胶带、汽车泡棉胶带、犀牛皮胶带、工业魔术贴、丙烯酸黑色双面胶、广告贴膜、胶棒、导热硅胶、防滑贴、车膜车贴、蘑菇搭扣、VHB泡棉胶带、缠绕膜
- 主营：吹风机、尘推车、垃圾袋、雨伞架、消泡剂、结晶粉、吸水机、洗碗机、沙发机、大卷纸、洁厕剂、吸尘器、清洁剂、洗碗机催干剂、洗碗机洗碗液、洗碗机清洁剂、塑料垃圾桶、驾驶洗地机、驾驶扫地机、洗碗机分配器、玻璃钢冷却塔、玻璃钢化粪池、玻璃钢脱硫塔、玻璃钢管道