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GORI 23 multi-primer white bonding primer bonding agent blocking primer

Description

The GORI 23 Multi-Primer is a water-based special adhesion primer based on acrylate for almost all substrates indoors and outdoors. It acts at the same time as an anti-rust primer on ferrous metals, as an adhesion promoter on difficult substrates such as zinc, aluminium and rigid PVC, and as an insulating blocking primer against water-soluble wood constituents – the ideal basis for a coating system with lasting adhesion.

Your benefits at a glance

  • 🔗 Universal adhesion promoter – Secure adhesion on zinc, aluminium, rigid PVC, ferrous metals and wood
  • 💧 Water-based & low odour – Water-based acrylate formulation, easy to apply and quick-drying
  • 🛡️ Rust protection & insulating effect – Protects ferrous metals against corrosion and blocks water-soluble wood constituents
  • 🏠 Indoors & outdoors – Versatile use on a wide range of substrates
  • 🧒 Tested to EN 71 Part 3 – Tested safety, also suitable for children's toy surfaces
  • 🎨 Optimum substrate preparation – Matched to GORI & SIGMA wood and paint systems

Areas of application

  • 🪟 Metals – Anti-rust and adhesion primer on ferrous metals, zinc and aluminium (e.g. window sills, railings, gates)
  • 🧱 Plastics – Adhesion promoter on rigid PVC and other difficult substrates
  • 🌳 Wood – Insulating primer against water-soluble constituents before the topcoat/stain
  • 🏡 Indoors & outdoors – Suitable for dimensionally stable, semi-stable and non-stable components

Note: The Multi-Primer is a primer and requires a suitable topcoat.

Product details

GORI 23 Multi-Primer is based on an aqueous acrylate binder base and combines several functions in one product: anti-rust primer, adhesion promoter and insulating primer. Thanks to its excellent adhesion on smooth and critical substrates such as zinc, aluminium and rigid PVC, it creates a secure base for subsequent coatings. On wood it blocks water-soluble constituents and thus prevents them from bleeding through into the topcoat.

The primer has been tested to DIN EN 71 Part 3 (safety of toys – migration of certain elements) and is therefore also suitable for surfaces that come into contact with children's toys. It is matched to the wood and paint systems of GORI and SIGMA.

Application notes: Stir well before use. The substrate must be clean, dry and sound; derust and degrease metals. Apply undiluted with a brush or roller. Dust-dry after approx. 1–2 hours, recoatable after approx. 24 hours (23 °C / 60 % rel. humidity) – observe this time for maximum blocking effect. Clean tools with water immediately after use.

Technical data

PropertyValue
Product typeSpecial adhesion primer / Multi-Primer, water-based (acrylate)
FunctionAnti-rust primer, adhesion promoter, insulating primer
ShadeWhite
Area of applicationIndoors & outdoors
Suitable substratesFerrous metals, zinc, aluminium, rigid PVC, wood
Available container sizes0.75 L | 2.5 L | 5 L
Consumptionapprox. 5–8 m²/l (depending on substrate)
Dust-dryapprox. 1–2 hours
Recoatableafter approx. 24 hours (23 °C / 60 % RH)
ThinningUse undiluted
Tool cleaningWater
Standards / certificatesDIN EN 71 Part 3 (safety of children's toys)
System compatibilityGORI & SIGMA wood and paint systems
ManufacturerPPG Coatings Deutschland GmbH (brand: GORI)

Technical data

Version
Pack size: 5 litres
Technical data
Product group: Primer & deep primer
Standards
Standard: DIN EN 71
Use
Merchandise group: Paints, varnishes & wood preservation

Data sheets

Data sheets and documents

All documents come unchanged from the manufacturer.

Manufacturer information

Manufacturer information pursuant to Art. 19 EU GPSR

Postal address PPG Coatings Deutschland GmbH
Feldstr. 5A
44867 Bochum
Germany

Electronic address info@sigmacoatings.de

All products by Gori

Information as of: 2026-09-17

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For your project

These products go with it

Project: Paint doors, radiators and metal

Sand old paint, remove dust and mask adjacent surfaces; prime raw wood or bare metal first. Apply the paint thinly with a fine paint roller and work edges, profiles and slats with the brush.

  1. Prepare the surface

  2. Apply

  3. Tools & accessories

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