High-solid epoxy modified primer Rust Tech

Rust Tech is a high-solid epoxy two pack surface tolerant paint.

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Intended use:

As a primer/ topcoat on steel structure, galvanized steel, aluminium, stainless steel, aged coatings both onshore and offshore. It is suitable for application to corrode areas where optimum pre-treatment is not practical. It is suitable for tank, bridge, chemical plant.

Specifications

  • Type: Epoxy / Polyamide Modified Primer
  • Color: Aluminium
  • Film appearance: Semi-gloss
  • Solid by volume: 90% ± 2%
  • Flash point: 30°C
  • Độ dày màng sơn ướt: 111 - 222 microns
  • Độ dày màng sơn khô: 100 - 200 microns
  • Practical coverate: 6.8 - 3.4 m2/litre hoặc 25.5 - 13 m2/Gallon
  • Drying time:
  • - Temperature: 25°C - 30°C - 35°C
  • - Surface dry: 4 hours - 3 hours - 2 hours
  • - Hard dry: 10 hours - 8 hours - 6 hours
  • Painting interval:
  • - Temperature: 25°C - 30°C - 35°C
  • - Minimum: 10 hours - 8 hours - 6 hours
  • - Maximum: - - -
  • Pot life:
  • - Temperature: 25°C - 30°C - 35°C
  • - Pot life: 1.5 hours - 1 hour - 45 mins

Construction methods

  • Application method: Brush, Roller, Airless Spray, Air spray
  • Diluted by: TOA Thinner #31
  • Dilution ratio:
  • - Brush, Roller: 5% - 10%
  • - Airless Spray: 5% - 10%
  • - Air spray: 10% - 20%
  • Mixing ratio: Part A - Part B
  • - By volume: 4 - 1
  • - By weight: 7 - 1 Mix Part A and Part B, strictly follow mix ratio recommendations before dilute by Thinner mixing and stir for 2-3 mins until the mixture is homogeneous after leave 5 minutes before application.

Construction Guide

* Surface Preparation:
- Steel: Remove all oil, grease, dirt, oxide and other foreign material.
+ High Quality: Should be blast cleaned in accordance with NACE No.2 / SSPC-SP10 / ISO 8501:1 / SIS Sa 2.5 to a near-white finish using a suitable abrasive.
+ Medium Quality: Treatment by using Power tool cleaning in accordance with SIS St 3 or SSPC-SP3 
+ General Quality: Treatment by using Hand tool cleaning in accordance with SIS St 2 or SSPC-SP2 .
+ If surface have mill-scale or rust and old paint: Treatment by using Power tool cleaning in accordance with SIS St 3 or SSPC-SP3
+ For non ferrous and other: Treatment by using hand tool cleaning in accordance with SIS St 2 or SSPC-SP2 for increase adhesion between paint and substrate and use paint system recommend by Paint Manufacturer 
Remark: The surface must be thoroughly dry and apply the protective coating within 4 hours to cleaned surface.
* Before Recoat by Topcoat:
- Remove all oil, grease, dirt, oxide and other foreign material by cleaning per SSPC-SP1, Solvent Cleaning before coating. 
- If over 7 days gives cleaning surface by sand paper no. 320-400 and cleaning surface per SSPC-SP1, Solvent Cleaning before coating.
- Surface repair (cracks, pores, holes) done with TOA Epoxy putty and polishing of surface with moltoprene disk.
 

Recommended paint system

Protective coating:
- Primer: 100 microns x 1 coat Rust Tech


- Top coat: 50 microns x 2 coat Epoguard Enamel (for inside area) or Topguard (for outside area)

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