Calcined DE Powder CAS 91053-39-3 for Thermal Insulation and Refractory Material
Calcined DE Powder CAS 91053-39-3 is manufactured via high-temperature calcination and purification. The processing eliminates volatile organic components and stabilizes the inherent honeycomb porous skeleton. Thanks to low thermal conductivity and good high-temperature stability, this material can trap stationary air inside pores to inhibit heat transfer. It is widely adopted as key raw material for various thermal insulation products and low-temperature refractory materials for industrial high
Product Overview
Calcined DE Powder CAS 91053-39-3 for Thermal Insulation & Refractory Materials is specialized porous inorganic raw material for high-temperature thermal preservation industry. Uncalcined diatomite will produce gas volatilization under heating and cause finished product cracking. After calcination treatment, this diatomite achieves stable structure, low shrinkage rate and reliable heat insulation performance, satisfying production requirements of thermal insulation bricks, refractory castables and heat insulation coatings.
Key Features
- CAS Number: 91053-39-3, High-temperature Calcined Purified Diatomaceous Earth
- Intact honeycomb microporous structure, low thermal conductivity, superior heat insulation capacity
- Excellent thermal stability, low firing shrinkage at medium working temperature
- Low impurity content, less gas release when heated
- Good compatibility with refractory clay, alumina powder and other refractory raw materials
- Adjustable particle gradation for bricks, castables and coating formulas
- Lightweight characteristic, help reduce overall density of insulation products
- Cost-effective raw material for industrial thermal insulation manufacturing
Main Applications
- Raw material for diatomite thermal insulation bricks and lightweight refractory bricks
- Functional filler for refractory castables, ramming mass and heat preservation mortar
- Porous additive for high-temperature resistant thermal insulation coatings
- Heat preservation filler for industrial furnace, flue and pipeline insulation layers
Usage Guidance
Match particle size grading according to finished product formula requirements. Mix evenly with clay, binder and other aggregates before forming. Optimize sintering temperature to avoid overburning and pore collapse. Conduct small sample firing test to confirm shrinkage rate and heat insulation performance. Wear dust mask during powder handling.
Storage & Package
Seal packages tightly. Store in dry warehouse to prevent moisture absorption which affects molding performance. Standard package: 25kg woven bag with PE inner liner. Shelf life: 24 months under dry sealed storage.
Service Support
Refractory and thermal insulation formulation samples available. COA and technical datasheet can be supplied on request. Stable bulk supply capacity. Welcome to inquire factory quotation.
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