Fireproof Spray Coating

Refractory Spray Coatings I. Main Product Types Lightweight Spray Coatings (LD Series) Density: 0.8–1.8 g/cm³ Operating Temperature: 600–1200°C Key Components: Clay-based materials / Ceramic proppants / Perlite Medium-Weight Spray Coatings (MD Series) Density: 1.8–2.1 g/cm³ Operating Temperature: 1200–1400°C Aggregate: High-alumina bauxite + mullite Heavy-Weight Spray Coatings (HD Series) Density: ≥2.1 g/cm³ Operating Temperature: 1400–1600°C Aggregate: Corundum / Silicon Carbide II. Production Process Raw Material Pre‑Processing & Intelligent Grading System: Aggregate particle size ≤ 5 mm (with 3–5 mm accounting for 30%) Nano Additives: Enhance adhesion to 92% Formula Optimization & Binder System: Low Temperature: Phosphate / Water Glass Medium Temperature: Aluminate Cement High Temperature: Silica Sol + Ultrafine Powder III. Applications Typical Application Scenarios & Technical Benefits: Steelmaking & Metallurgy: Repair of hot blast stove ducts – construction time reduced by 70% Cement Industry: Maintenance of the transition zone in rotary kilns – service life extended to 3 years Power Generation: Wear-resistant lining in CFB boilers – wear rate reduced by 60% Petrochemicals: Repair of the radiant section in cracking furnaces – thermal shock resistance improved by 50% IV. Performance Advantages Compared with Traditional Bricklaying Construction Efficiency: 10 m³/h vs. 2 m³/8h (manual work) Integrity: Seamless joints, with air tightness improved by a factor of three Economic Analysis: Material Utilization Rate: 85–90% (rebound rate ≤ 10%) Total Cost: 40–50% lower than prefabricated components V. Physicochemical Specifications 1. General Performance (HD Series): - Bulk Density: 2.2 ± 0.1 g/cm³ (GB/T 2997–2025) - Compressive Strength: ≥45 MPa (after drying at 110°C) High-Temperature Properties: - Linear Change: ≤1.0% (at 1400°C for 3 hours) - Thermal Conductivity: 1.8 W/(m·K) at 1000°C Construction Parameters: - Initial Setting Time: 15–30 minutes (adjustable) - Adhesion Strength: ≥1.5 MPa (after 24 hours)

Category:

Refractory castables

Whatsapp:

+86-15936268068

Email:

zzjsrefractory@gmail.com

Inquiry

Description:

Refractory Spray Coating

I. Main Product Types

Lightweight spray coating ( LD Series)

Density: 0.8–1.8 g/cm³
Applicable temperature: 600–1200℃
Main ingredient: Clay-based /Clay pellets/Perlite

Medium- and Heavy-Weight Spray Coatings ( MD Series)

Density: 1.8–2.1 g/cm³
Applicable temperature: 1200–1400℃
Aggregates: High‑alumina bauxite +Mullite

Heavy-duty spray coating ( HD Series)

Density: ≥2.1 g/cm³
Applicable temperature: 1400–1600℃
Aggregates: Corundum /Silicon carbide

2. Production Process

Raw Material Preprocessing

Intelligent Grading System: Aggregate Particle Size ≤ 5 mm (with 3–5 mm accounting for 30%)
Nano Additives: Enhance Adhesion to 92%

Formula Optimization

Binder system:
- Low temperature: Phosphates /Water glass
- Medium Temperature: Aluminate Cement
- High Temperature: Silica Sol +Micro powder

III. Applications

Application Fields	Typical scenarios	Technical Benefits
Iron and Steel Metallurgy	Blast Furnace Hot Air Duct Repair	Construction period shortened by 70%.
Cement Industry	Rotary Kiln Transition Zone Maintenance	Lifespan extended to 3 years.
Power Industry	Wear-Resistant Lining for CFB Boilers	Wear rate reduced by 60%
Petroleum and Chemical Industry	Repair of the Radiation Section of the Cracking Furnace	Thermal shock resistance increased by 50%.

4. Performance Advantages

Compared with traditional masonry

Construction Efficiency: 10 m³/h vs 2 m³/8h (manual)
Integrity: Seamless, enhanced airtightness 3 times

Economic Analysis

Material utilization rate: 85–90% (bounce rate ≤ 10%)
Overall cost: Lower than prefabricated components. 40–50%

V. Physicochemical Indicators

1. General Performance ( HD Series):

- Bulk density: 2.2 ± 0.1 g/cm³ ( GB/T 2997-2025 )

- Withstand Voltage Strength: ≥45MPa ( 110℃ Drying)

High-Temperature Properties:

- Rate of change of the line: ≤1.0% ( 1400℃ × 3 hours )

- Thermal conductivity: 1.8 W/(m·K) at 1000℃

Construction Indicators:

- Initial setting time: 15-30min (Adjustable)

- Adhesion strength: ≥1.5 MPa ( 24h )

Keywords:

Fireproof Spray Coating

Alkali‑Resistant Castable

Micro-expanding refractory plastic

Online Message

COOKIES

Our website uses cookies and similar technologies to personalize the advertising shown to you and to help you get the best experience on our website. For more information, see our Privacy & Cookie Policy

COOKIES

required

These cookies are necessary for basic functions such as payment. Standard cookies cannot be turned off and do not store any of your information.

analyze

These cookies collect information, such as how many people are using our site or which pages are popular, to help us improve the customer experience. Turning these cookies off will mean we can't collect information to improve your experience.

Feature

These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

advertise

These cookies help us understand what you are interested in so that we can show you relevant advertising on other websites. Turning these cookies off will mean we are unable to show you any personalized advertising.

WhatsApp：8615936268068

Mobile phone：+86-15936268068

Email：zzjsrefractory@gmail.com

Fireproof Spray Coating

Refractory Spray Coating

I. Main Product Types

2. Production Process

III. Applications

4. Performance Advantages

V. Physicochemical Indicators

COOKIES

COOKIES

Sorry，当前栏目暂无内容!

Sorry，The current column has no content!