Ceramic Foundry Sand

Takaitaccen Bayani:

Al2O3-tushen yumbu foundry yashi ne roba yashi tare da mafi girma refractoriness na 1800 °C. Yashi na yumbura ana amfani da shi sosai a cikin masana'antar ƙera a matsayin gyare-gyare da yashi mai mahimmanci saboda kusan sifarsa ta zahiri, wanda ke ba da kyawawan kaddarorin kwarara da iskar gas. Ba tare da sadaukar da ƙarfin mahimmanci ba, yana yiwuwa a adana har zuwa 50% akan mai ɗaure a cikin samar da ainihin lokacin idan aka kwatanta da sauran yashi. A lokaci guda, simintin gyare-gyaren da aka yi da yashi na yumbu don kafuwa suna da na musamman na saman ƙasa.

Aika mana imel

Cikakken Bayani

Tags samfurin

Siffofin

• Abubuwan da aka haɗa da Uniform
• Tsayayyen girman hatsi da rarrabawar iska
• Maɗaukakin ƙarfi (1825°C)
• Babban juriya ga lalacewa, murkushewa da girgiza zafi
• Ƙananan haɓakar thermal
• Kyakkyawan ruwa da cika iya aiki saboda kasancewa mai siffar zobe
• Maɗaukakin ƙima mafi girma a cikin tsarin madauki yashi

Aikace-aikace Tsarin Foundry

Tsarin yashi mai rufi na guduro
Akwatin sanyi da tsarin yashi mai dumi
3D yashi bugu tsari
Ba-bake guduro tsari yashi (Hada Furan guduro da Alkali phenolic guduro)
Tsarin saka hannun jari/Tsarin gano kakin zuma da ya ɓace/ Daidaitaccen simintin gyaran kafa
Rage nauyi tsari/ Rasa kumfa
Tsarin gilashin ruwa

Abubuwan Yashi na yumbu

Babban Abun Sinadari	Al₂O₃ 70-75%, Fe₂O₃ 4%,
Siffar hatsi	Siffar
Angular Coefficient	≤1.1
Girman Juzu'i	45 μm - 2000 μm
Refractoriness	≥1800℃
Yawan yawa	1.8-2.1 g/cm3
PH	6.5-7.5
Aikace-aikace	Karfe, Bakin Karfe, Iron

Rarraba Girman Hatsi

raga	20	30	40	50	70	100	140	200	270	Pan	Farashin AFS
μm	850	600	425	300	212	150	106	75	53	Pan	Farashin AFS
#400		≤5	15-35	35-65	10-25	≤8	≤2				40± 5
#500		≤5	0-15	25-40	25-45	10-20	≤10	≤5			50± 5
#550			≤10	20-40	25-45	15-35	≤10	≤5			55± 5
#650			≤10	10-30	30-50	15-35	0-20	≤5	≤2		65±5
#750				≤10	5-30	25-50	20-40	≤10	≤5	≤2	75±5
#850				≤5	10-30	25-50	10-25	≤20	≤5	≤2	85±5
#950				≤2	10-25	10-25	35-60	10-25	≤10	≤2	95±5