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α-800 Heat-Resisting and Anticorrosive Coating
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α-800 Heat-Resisting and Anticorrosive Coating

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The α-800 heat-resisting and anticorrosive coating leverages the organic and inorganic hybrid polymerization technology. It has many advantages, including heat resistance, anticorrosion, abrasive resistance, flexibility, fire retardancy, anti-permeability, resistance to temperature shock, stress resistance, long aging resistance, and easy operation.
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♦The α-800 heat-resisting and anticorrosive coating leverages the organic and inorganic hybrid polymerization technology. It has many advantages, including heat resistance, anticorrosion, abrasive resistance, flexibility, fire retardancy, anti-permeability, resistance to temperature shock, stress resistance, long aging resistance, and easy operation. The material has superior performance and strong anticorrosion.

♦The anticorrosive coating based on the organic and inorganic hybrid polymerization technology features 28 cross-linkable functional groups in its molecular structure. Affected by aromatic cross-linking agent during the solidification process, 784 cross-linked points will be combined and transformed into its molecular structure.

♦Its molecular cross-linking is conducted mainly by C-O-C ether linkage, which is a strong chemical bond. Compared with epoxy resin, the ether linkage doesn’t contain hydroxyl; compared with vinyl ester, it has no ester bond. Therefore, it can withstand hydrolysis and acid.

♦The α-800 heat-resisting and anticorrosive coating is able to solidify at room temperature or complete force heat curing at low temperature. Then, the materials can be used after 48 hours.

 

  • Easy operation, applicable to cavitation erosion and corrosion surface
  • Superior ductility
  • Excellent adhesive force low volatility
  • Good penetration resistance, capable of being repaired locally
  • Super heavy-duty anticorrosive performance, extremely high tenacity
  • Impact resistance, wear-proof
  • Heat resistance up to 600 degrees Celsius
  • Capable of solidify at room temperature or low temperature

 

Product Performance Indicators

No. ltem Technical Indicators
1 Density (g/cm³) 1.28
2 Fineness (μm) ≤80
3 Viscosity (25℃ Viscometer) ≤65-90
4 Solid content (%) ≥75
5 Surface dry (25+1℃) h ≤2
6 Hard dry (25+1℃)h ≤24 
7 Adhesive force (level) 1
8 Flexibiity (mm) 2
9 Impact resistance of the coating (cm) ≥50
10 Coating hardness (H) ≥6
11 Sand resistance test (L/μ) ≥3
12 Coating appearance Even and lusterless

Product Testing Results

1 Chemical reagent resistance of coating
10%H2SO4   300d
10%NaOH    300d
3%NaC1      300d

No change in coating

2 Salt spray resistance of coating 15%NaC1  1,200h
Accelerated salt spray test 3.5%NaC1  4,000h

No change in coating

3 Freezing and thawing test (-20±2℃) 1h, (23±2℃) 0.5h, 
(80±2℃) 1h, (23±2℃) 0.5h   five cycles

No change in coating

Product Performance Indicators

No.

Item

Technical Indicators

1

Density (g/cm3)

1.28

2

Fineness (μm)

≤80

3

Viscosity (25℃ Viscometer)

≤65–90

4

Solid content (%)

≧75

5

Surface dry (25±1℃) h

≤2

6

Hard dry (25±1℃) h

≤24

7

Adhesive force (level)

1

8

Flexibility (mm)

2

9

Impact resistance of the coating (cm)

≧50

10

Coating hardness (H)

≧6

11

Sand resistance test (L/μ)

≧3

12

Coating appearance

Even and lusterless

 

 

Advantages of the α-800 Heat-Resisting and Anticorrosive Coating Compared with Heat-Resisting Paint and the Vinyl Ester Glass Flake Mortar

♦The operating temperature of the α-800 coating can reach 600 degrees Celsius, while that of the latter two can only amount to 180 degrees Celsius.

♦Thanks to the graphene-based materials added, the α-800 coating boasts high heat conductivity, electricity conductivity and sound ductility. It fundamentally changes the coating detachment and bulge or cracking of heat-resisting paint and vinyl ester glass flake mortar, resulting from thermal vibrations and inconsistent thermal expansion arisen from temperature changes (during the downtime of raw mill).

♦The diamond (brown fused alumina powder) is added to enhance the alkali resistance of the α-800 coating, so as to withstand the nitric acid etching and alkali saponification formed when the nitrogen oxide in exhaust gas meets with moisture in the air.

♦High-hardness ceramic powder additives including nano-sic, boron nitride and fine-grain aluminum oxide further enhance the coating’s strength and flexibility. The carbon element in coating has high lubrication, which brings in extremely low frication coefficient. Therefore, the α-800 coating boasts three times higher abrasion performance than that of the heat-resisting paint and the vinyl ester glass flake mortar.

 

Analysis of Corrosion Environment of Clinker Production Line

1.Alkali Corrosion: The cement is alkaline (at PH10-12); Under-deposit corrosion; Ammonia corrosion after denitrification.

2.Corrosion due to dewing: High humidity and dew point; Corrosion due to dewing; Accelerated corrosion in high temperature.

3.Invalid anticorrosive coating: Weak anticorrosion and penetration resistance of common coating material; Nondurable to temperature variation; Protection layer destroyed by corrosion.

4.High-temperature corrosion: Flue-gas temperature at 90–200 degrees Celsius; Accelerated oxidation in high temperature.

 

Anticorrosive Coating

 

Anticorrosive Coating

 

Anticorrosive Coating

 

Anticorrosive Coating

 

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