一、技術(shù)規(guī)格:
纖維細(xì)度:3~25μm
純 度:SiO2含量99.9%以上
二、性能:
熔點:1710℃
析晶溫度:700℃以上
耐溫性:1200℃半小時開始酥化不變型
導(dǎo)熱系數(shù):(纖維氈狀時)在200℃以下 < 0.03千卡/米·時·度
在1000℃時0.2千卡/米·時·度
抗拉能力:15.4N
抗拉強(qiáng)度:常溫下 > 150Kg/mm2 500℃時強(qiáng)度減少20%
彈性模數(shù):96×104Kg/mm2
介電常數(shù):ε=4.5
體積電阻:(作電纜時)
常溫下>1×1017Ω·cm
500℃時>1×1010Ω·cm
1000℃時>1×108Ω·cm
耐水性:在水中煮沸3小時無損失
耐酸性:在1NH2SO4煮沸3小時無損失
耐堿性:在0.5NNaOH煮沸3小時損失0.62%
三、用途:
?、儆糜诟邷馗魺幔喝缁鸺?dǎo)彈作隔熱、防震材料或其它高溫絕緣工程中。
?、谟糜谠鰪?qiáng)塑料:與樹脂合成制作高溫高強(qiáng)度玻璃鋼材料。廣泛用于航空、導(dǎo)彈、火箭等方面。
?、厶胤N電纜:做電纜的外包皮,用在高溫特殊用途的電纜上。
?、苡糜诟邷厮釅A過濾器。
?、萦糜陔娮庸芴畛洳牧希核⒔z作為電子管的填充材料,以改善電子管的性能,延長電子管的壽命。
Continual quartz glass fiber
Teachnical specialfections:
Fiber fineness: 3 ~ 25 μ m
Purity:more than 99.9 percent content of SiO2
Performance: Melting point: 1710 ℃
Crystallization temperature: 700℃ above
Thermotolerant performance : 1200 ℃ half hour starts not to change form crisply.
Thermal coefficient: (mat-like) in the following 200 ℃ <0.03 kcal / m at the degree
In 1000 ℃ at 0.2 kcal / m at the degree
Tensile capacity: 15.4 N
Tensile strength: normal temperature > 150Kg/mm2 500 ℃ at the strength reduced by 20%
Elastic modulus: 96 × 104Kg/mm2
Dielectric constant: ε = 4.5
Volume Resistance: (for cable)
At room temperature> 1 × 1017 Ω cm
500 ℃ at > 1 × 1010 Ω cm
1000 ℃ at > 1 × 108 Ω cm
Water tolerance: in the water boiled for three hours without loss
Acid resistance: 1 NH2SO4 boiled in three hours without loss
Alkaline resistance: 0.5 NNaOH boiled three hours loss of 0.62 percent
Applying:
1、 For high-temperature insulation: such as rockets, missiles for insulation, earthquake or other high-temperature insulating materials engineering.
2、 Used for reinforced plastic: high-temperature production of synthetic resin and high-strength glass fiber reinforced plastic materials. Widely used in aviation, missiles and rockets, and so on.
3、 Special cable: use for the foreskin of the cable, used in high temperature on the special-purpose cable.
4、 Acid-base for high-temperature filters
5、 For vacuum tube filled with material: water Rafah as a quartz tube filled with silk material, in order to improve the performance of the tube,and extend the life of vacuum tube