Powder coating primer containing zinc MT-PZ ALZ90F
WA：+86 132 6275 2056
WEB: std-coatings.com
Product Overview
MT-PZ ALZ90F is azinc-rich epoxy powder primerdesigned to provide enhanced corrosion protection for mild steel. The primer combinescathodic protection and barrier effects, delivering superior performance in industrial and infrastructure applications. Optimized for steel substrates prepared via grit or shot blasting, MT-PZ ensures robust adhesion, uniform coverage, and long-term durability.
This primer is suitable formulti-layer protective coating systems, approved underQualisteelcoatstandards (Base Material: Steel PE-0097. 2-coat system up to C4-H) and is ideal for high-demand corrosion environments, including machinery, structural steel, and architectural components.
Key Features
Dual Protection Mechanism– Provides cathodic protection via zinc conductivity, combined with a dense epoxy barrier layer
Scratch Resistance– Specific anti-corrosive functionality maintains protection even in case of minor surface damage
Excellent Adhesion– Optimized for grit-blasted mild steel and pre-treated galvanized surfaces
Durable Performance– Resistant to corrosion, chemicals, and mechanical wear
Flexible Integration– Compatible with most epoxy, polyester, and PU topcoats
Powder Properties
| Property | Specification |
|---|---|
| Chemical Type | Thermosetting epoxy |
| Appearance | Smooth powder |
| Gloss Level (60°) | 45–65 units |
| Color | Grey (RAL7012 approximate) |
| Recommended Film Thickness | 70–120 μm |
| Density | 2.1 g/cm³ |
| Application Method | Electrostatic spraying (corona) |
| Storage Conditions | Dry, cool ≤ 30°C |
| Shelf Life | 12 months below 25°C |
Recommended Substrate Pretreatment
| Substrate | Mechanical Pretreatment | Chemical Pretreatment |
|---|---|---|
| Mild Steel | Grit Blasting Sa 2.5 (ISO 8501-1), Roughness Rz 35–60 µm / Ra 6–12 µm | Not applicable |
| Cast Steel | Not recommended | Not applicable |
| Electro Zinc Steel | Not recommended | Not applicable |
| Hot Dip Galvanized Steel | Not recommended | Degreasing & phosphating/chromating followed by passivation |
| Zinc Sprayed (Gas Flame / Electro Deposition) | Not recommended | Follow standard passivation |
Note: Proper pretreatment is critical to ensure adhesion, corrosion resistance, and long-term performance.
Application Guidelines
Application Method:Suitable forcorona electrostatic spraying. Tribo application isnot recommended.
Spray Parameters:
Fluidizing air pressure: 1.5 kg/cm² initially, then 1 kg/cm²
Transport air pressure: 0.5–0.8 kg/cm²
Recommended voltage: 65–70 kV
Curing:
Primer must be cured (or at least gelled) before topcoat application
Object temperature: 110–180°C
Cure in a convection oven, optionally with infra-red heating
Film Thickness:70–120 μm recommended for optimal protection
Recycling:Minimum 70% new powder recommended; gun nozzles must be cleaned every 30 minutes
在线联系供应商
Other supplier products
 |
Powder coating for automotive trim | Introduction Complete range of products with rich colors Orders can be placed directly according to PANTONG / RAL / architectural color cards Sp... |
 |
Durable polyester powder coatings MT-A1000- YG001V- Red color | WA：+86 132 6275 2056 WEB: std-coatings.com Product Description MT Autobody powder coating isa series of durable polyester powder coatings desi... |
 |
Scratching/Abrasion and Mar powder coating | Getaquote whats/app：+86 132 6275 2056 WEB: std-coatings.com Introduction Scratching, Abrasion and Mar Outside appearance is directly associated wi... |
 |
Metal bonding powder | Getaquote whats/app：+86 132 6275 2056 WEB: std-coatings.com Accurate selection of powder has always been a problem for the powder industry. To solv... |
 |
Sheng Tang Guo Feng Series Powder Coatings | Introduction The MT Sheng Tang Guo Feng Series Powder Coatings blend traditional Chinese aesthetics with modern coating technology, offering a uni... |
Same products
 |
Metallic flat high gloss MT-049/98010 | 卖方: Standard International Group (HK) Limited | Getaquote whats/app：+86 132 6275 2056 WEB: std-coatings.com Introduction No. MT-049/98010 Co... |
 |
Pure epoxy powder coating | 卖方: Standard International Group (HK) Limited | Getaquote whats/app：+86 132 6275 2056 WEB: std-coatings.com Product model CH Product characterist... |
 |
Epoxy polyester powder coating | 卖方: Standard International Group (HK) Limited | Getaquote whats/app：+86 132 6275 2056 WEB: std-coatings.com Product model GA, SF, FX, etc. Produc... |
 |
Pure polyester weather-resistant powder coating Factory Supplier | 卖方: Standard International Group (HK) Limited | Getaquote whats/app：+86 132 6275 2056 WEB: std-coatings.com Product model OWP Product characteris... |
 |
Metallic flat semi-gloss Powder Coating MT-049/97003 | 卖方: Standard International Group (HK) Limited | Getaquote whats/app：+86 132 6275 2056 WEB: std-coatings.com Introduction No. MT-049/97003 Co... |
