生產(chǎn)工藝
1、普通硅酸鋁棉是以硬質(zhì)粘土熟料為原料，經(jīng)電爐熔融，噴吹而成的絮狀纖維。
2、高鋁型硅酸鋁棉是以高純氧化鋁、硅石粉合成料為原料，經(jīng)電爐熔融，噴吹而成的絮狀纖維。
3、含鋯型硅酸鋁棉，是以高純氧化鋁、硅石粉及鋯英砂合成料為原料經(jīng)電爐熔融，噴吹而成的絮狀纖維。
4、含膠硅酸鋁棉，是上述棉在噴吹過程中加入一定比例的高溫粘結(jié)劑制成。
產(chǎn)品特性
1、低導熱率、低熱容量。硅酸鋁纖維針刺毯
2、優(yōu)良的熱穩(wěn)定性、化學穩(wěn)定性及吸音性。
3、無腐蝕性物質(zhì)。

應用
1、設備的夾層填充。
2、真空成型制品的原料。
3、纖維澆注料、涂抹料、噴涂料、纖維紙等原料。
4、含膠硅酸鋁棉是干法制板、管殼及異型構(gòu)件的原料。硅酸鋁纖維針刺毯

技術(shù)指標

項目                                                      普通型                                              高鋁型                                          含皓型
分類溫度(℃)                                           1260                                               1400                                             1400
工作溫度(℃)                                        ＜1000                                               1200                                             1350
顏色                                                         白                                                   潔白                                               潔白
纖維直徑(μm)                                          3-5                                                  3-5                                                3-5

化            Al2O3                                      44                                                 52-55                                             39-40
               Al2O3+SiO2                            96                                                    99                                                   --
學            Al2O3+SiO2+ZrO2                  --                                                     --                                                   99
               ZrO2                                         --                                                     --                                               15-17
組            Fe2O3                                  ＜1.2                                                   0.2                                                0.2
               Na2O+K2O                           ≤0.5                                                   0.2                                                0.2
成(%)