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Епоксидно антикорозионно прахово покритие за арматурна стомана

MOQ 100KG, From China, B2B only WhatsApp
Brand STD
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Surface Finish Options Overview

Продукт Въведение:

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.

Характеристики на продукта:

Отлична адхезия към основата.

Плътно, непрекъснато, ярко покритие с ниска пропускливост и минимални дупки.

Превъзходна устойчивост на катодно разпадане и висока електрическа изолация.

High bond strength with concrete and strong grip.

Good toughness, does not crack when bent.

Ниска температура на топене, висока реактивност, висока скорост на втвърдяване и добри механични свойства.

Универсален и с нисък разход на прах.

Намалява или елиминира натрупването на нишки по време на процеса на прахово боядисване.

 

Параметри на производителност на прахово покритие

ТочкаИндикатор за качествоМетод на тестване
Външен видЕднороден цвят, без бучкиВизуална проверка
ЦвятСпоред изискванията на клиента-----
Плътност (g / cm³)1.2-1.5GB / T 4472
Среден размер на частиците30µm-50µmЛазерен анализатор на размера на частиците
Летливо съдържание (%)≤ 0.6GB / T 6554
Съдържание на магнитно вещество (%)≤ 0.002GB / T 2482-86
Curing Time (s)230°C ≤ 60sGB / T 6554

 

Параметри на производителност на втвърдено прахово покритие

Не.Test ТочкаТехнически индикаторМетод на тестване
1Външен видSmooth, continuous, no bubbles, cracks, or pinholesВизуална проверка
2Cathodic Disbondment≤ 2 ммGB / T 25826-2010
НепрекъснатостNo holes, gaps, cracks, or visible defectsGB / T 25826-2010
3Flexibility (40mm)No visible cracks, breaks, or coating detachmentGB / T 25826-2010
4Сила на връзкатаCoating bond strength not less than 85% of uncoated steelGB 50152
5Сила на ударNo coating fragmentationGB / T 25826-2010
6Chloride Permeability< 1×10⁻⁴ MGB / T 25826-2010
7Химична устойчивостNo softening, bubbling, good adhesion, no pinholes, no pittingGB / T 25826-2010
8Абразивна устойчивост≤ 100 мгGB / T 1768-1979
9Тест със солен спрей (800 часа)≤ 3 ммGB / T 25826-2010

 

Стандарти за съответствие: JG 3042-1997; GB/T 25826-2010

Приложни полета:

Bridges, ports, airports, buildings, basements, high-speed railways, and other infrastructure projects.

Процес на кандидатстване:

Електростатично пръскане.

Предпазни мерки:

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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