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PLE06-3 Inorganic Zinc Silicate Primer

2K alkyl silicate inorganic zinc primer delivering cathodic protection with weld and cut tolerance on structural steel. Suited for low-temperature application with universal topcoat compatibility. Sa2.5 prep required, 30µm DFT.

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PLE06-3 Inorganic Zinc Silicate Primer Description

Overview

PLE06-3 Inorganic Zinc Silicate Primer is a two-component inorganic zinc silicate primer based on ethyl silicate resin and zinc dust.

The product is formulated with ethyl silicate resin, zinc dust, toughening agent, anti-settling agent, and solvent, and is supplied as Part A and Part B. It is described as providing excellent corrosion resistance with cathodic protection, strong chemical resistance, weathering and abrasion resistance, heat resistance, and suitability for on-line welding/cutting.

Key Benefits

  • Provides excellent corrosion resistance with cathodic protection

  • Described as having strong chemical resistance

  • Described as having weathering and abrasion resistance

  • Described as having heat resistance

  • Suitable for on-line welding/cutting

  • Typically used with epoxy coatings for corrosion protection

This primer is suitable for long-term steel protection projects in industrial and marine environments.

Typical application areas

  • Blast-cleaned steel

  • Steel requiring long-term anti-corrosion priming

  • Steel used with epoxy coating systems

  • Properly prepared steel requiring heat resistance up to 400°C

Application Guide

Item Details
Mixing Ratio (A:B) 28:7
Induction Time No limit (as stated)
Pot Life 4 h (25°C)
Application Methods Airless spray, brush
Thinner / Cleaner X-11 inorganic zinc thinner
Typical Dilution 5–20%
Recoat Interval / Overcoating Interval (25°C, RH 70–85%) Minimum 24 h (longer at lower humidity); maximum not limited
Recommended DFT 50–75 µm per coat (brush: 40–50 µm per coat)

Surface Preparation

Abrasive blasting to Sa 3 (not lower than Sa 2.5), or power-tool cleaning to St 3; surface profile 30–75 µm.

Technical Data

Item Value
Product Type Two-component inorganic zinc silicate primer
Appearance / Color Gray
Theoretical Consumption 0.19 kg/m² at 50 µm DFT (losses not included)
Density / Specific Gravity 1.6 kg/L
Drying / Curing (25°C, RH 70–85%) Touch dry 10 min; hard dry 2 h; cured 24 h
Packaging Part A 28 kg; Part B 7 kg
Shelf Life 6 months

Storage
Store in a dry, cool, ventilated warehouse away from fire sources and direct sunlight; outdoor storage is not permitted.

System Compatibility

This primer is compatible with epoxy intermediate coating, epoxy topcoat, polyurethane intermediate coating, and polyurethane topcoat.

Frequently Asked Questions

What is this primer used for?
This primer is used as a long-term anti-corrosion primer for blast-cleaned steel.

What is it based on?
The product is based on ethyl silicate resin and zinc dust.

What application methods are recommended?
The product can be applied by airless spray and brush.

What surface preparation is required before application?
Abrasive blasting to Sa 3 (not lower than Sa 2.5), or power-tool cleaning to St 3, with a surface profile of 30–75 µm.

What is the recommended recoat interval?
The minimum recoat interval is 24 h at 25°C and RH 70–85%, and it is longer at lower humidity; the maximum interval is not limited.

What coatings is it compatible with?
It is compatible with epoxy intermediate coating, epoxy topcoat, polyurethane intermediate coating, and polyurethane topcoat.

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