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Zibo Xindi Refractory Material Co., Ltd.

Refractory, Refractory Brick, Ceramic Fiber manufacturer / supplier in China, offering Refractory Brick, Ceramic Fiber Board 1260c and so on.

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Refractory materials classification: [Jan 04,2017]
Refractory materials classification:
Refractory materials classification:
Refractory materials have so many varieties, complex shape and size, production methods are not the same. In order to system research and rational use of its general should be classified as follows:
1. In accordance with the characteristics of refractory molding is divided into:
   1) Refractory products (shaped of refractory materials) to determine the geometry and size
   2) Unshaped refractories produced as aggregates and fines, with no defined shape, mixed with other combinations in application including direct mixing with water or mud
2. In accordance with the refractoriness is divided into
   1) Ordinary refractories: refractoriness of 1580-1770C
   2) Advanced Refractories: Refractoriness of 1771-2000C
3. According to the chemical nature is divided into:
1) Acid refractories
2) Neutral refractories
3) Alkaline refractories
4. According to the manufacturing method is divided into:
1) Unshaped refractory: from the aggregate and fine powder binder at a constant temperature of 600 components
2) Sintered products: Sintering during firing
5. Unshaped refractory binder is divided into:
1) Hydration bonding agent (ordinary calcium aluminate cement / pure calcium aluminate cement) and water condensation and hardening products
2) Chemical bonding agent (phosphate, aluminum sulfate, water glass, silicone, etc.) by the binder and the chemical reaction of the mixture and solidification
3) Cohesive binder (refractory clay, bentonite, silica fine powder, etc.) coagulation process and solidification
4) Organic binders (tar, asphalt, glue, etc.) from the polymerization, polycondensation and coking and hardening
6. Unshaped refractories according to the type of use is divided into:
1) Refractory castable: generally castable or cast ramming material method of construction of the amorphous material
2) Refractory coating materials: pneumatic tools with mechanical spray method of construction of the amorphous material
3) Refractory gunning materials: the use of spray method of construction repair thermal equipment within the amorphous material
4) Refractory ramming material: the construction method of a strong ramming of the amorphous material
5) Refractory plastic: mud is mud-like or irregular clumps, in a certain period of time to maintain a good plastic state, the general use of pneumatic tools ramming the construction of the amorphous material
6) Gravity castable: no vibration can flow and degassing of the castable amorphous material
7) Dry vibration material: without water or liquid bonding agent and the vibration method of forming the amorphous material