mankhwala Introduction:
This is a thermosetting epoxy-modified heavy-duty anti-corrosion powder coating specifically designed for epoxy-coated reinforcing steel. The product uses imported two-step special epoxy resins, functional epoxy resins, and dedicated anti-corrosion curing agents. It features excellent reactivity, strong adhesion, good toughness and flexibility, and superior resistance to chemicals, solvents, cathodic disbondment, and impact. The formulation has been tested and proven effective by authoritative departments.
Zambiri Zamalonda:
Kumamatira kwabwino kwa gawo lapansi.
Zowoneka bwino, zopindika, zokutira zowala zocheperako komanso mapini ocheperako.
Superior cathodic disbondment resistance komanso kutsekemera kwamagetsi kwapamwamba.
High bond strength with concrete and strong grip.
Good toughness, does not crack when bent.
Kutentha kocheperako kusungunuka, kuchitanso bwino kwambiri, kuchuluka kwa machiritso omaliza, komanso makina abwino.
Kugwiritsa ntchito ufa wosiyanasiyana komanso wochepa.
Amachepetsa kapena amachotsa zingwe panthawi ya kupaka ufa.
Powder Coating Performance Parameters
| katunduyo | Quality Indicator | Njira mayeso |
|---|---|---|
| Maonekedwe | Uniform mtundu, palibe zotupa | Kuyendera kowoneka |
| mtundu | Monga momwe kasitomala amafuna | ----- |
| Kachulukidwe (g/cm³) | 1.2-1.5 | GB / T 4472 |
| Avereji ya Tinthu ting'onoting'ono | 30µm-50µm | Laser particle size analyzer |
| Zosasinthika (%) | ≤ 0.6 | GB / T 6554 |
| Zomwe Zili ndi Magnetic (%) | ≤ 0.002 | GB / T 2482-86 |
| Curing Time (s) | 230°C ≤ 60s | GB / T 6554 |
Magwiridwe Ogwira Ntchito Powder Powder
| No. | Chiyeso | Chizindikiro chazamisiri | Njira mayeso |
|---|---|---|---|
| 1 | Maonekedwe | Smooth, continuous, no bubbles, cracks, or pinholes | Kuyendera kowoneka |
| 2 | Cathodic Disbondment | ≤ 2 mm | GB / T 25826-2010 |
| Kupitirira | No holes, gaps, cracks, or visible defects | GB / T 25826-2010 | |
| 3 | Flexibility (40mm) | No visible cracks, breaks, or coating detachment | GB / T 25826-2010 |
| 4 | Mphamvu ya Bond | Coating bond strength not less than 85% of uncoated steel | GB 50152 |
| 5 | Mphamvu Zothandiza | No coating fragmentation | GB / T 25826-2010 |
| 6 | Chloride Permeability | < 1×10⁻⁴ M | GB / T 25826-2010 |
| 7 | Kukaniza Chemical | No softening, bubbling, good adhesion, no pinholes, no pitting | GB / T 25826-2010 |
| 8 | Kutsutsana kwa Abrasion | ≤ 100 mg | GB / T 1768-1979 |
| 9 | Kuyesa Kupopera Mchere (800h) | ≤ 3 mm | GB / T 25826-2010 |
Miyezo Yotsatira: JG 3042-1997; GB/T 25826-2010
Masamba Othandizira:
Bridges, ports, airports, buildings, basements, high-speed railways, and other infrastructure projects.
papempho:
Electrostatic spraying.
CHENJEZO:
The reinforcing steel surface should be free of oxide scale, revealing the metal’s original color; the surface roughness should meet the standard, ideally 50-70 mm; the rust removal grade should reach Sa2 1/2 level (GB/T 8923), with no chloride residues. Preheating temperature should be controlled between 220-245°C.
The product should be stored in a well-ventilated, dry indoor environment with a temperature below 27°C, away from heat sources, corrosive chemicals, and chemical solvents, and protected from strong light exposure. The stacking height should not exceed four layers. Avoid long-term pressure and ensure the packaging box is sealed to prevent caking and moisture, which can affect fluidization performance.
Due to the high reactivity of this product, the recommended storage period is within 3 months at 27°C. If used beyond the storage period, the performance should be verified in advance.
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