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ISO 21809-3 Compliant Solvent-Free Fast Curing Epoxy Primer for Pipeline Field Joints and Heat Shrink Sleeves

Name: ISO 21809-3 Compliant Solvent-Free Fast Curing Epoxy Primer for Pipeline Field Joints and Heat Shrink Sleeves
Brand: TIANJIN CNPETRO HITECH CO.,LTD
SKU: HTLP 60
Price: 20 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNPetro

Certification: ISO

Model Number: HTLP 60

Payment & Shipping Terms

Minimum Order Quantity: 500 PCS

Price: USD 20

Packaging Details: 400*400*420mm

Delivery Time: 8 work days

Payment Terms: L/C,T/T

Supply Ability: 5000 sets/week

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Product Details

Product Description

Product Details

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                                                                                                                                                                                                                                                                                ISO 21809-3 compliant epoxy primer, high-performance pipeline epoxy primer, epoxy primer for field joints
                              

Corrosion Resistance:	Excellent	Flame Retardant:	Yes
Water Proof:	Yes	Impact Resistance:	≥15J
Temperature Resistance:	-30℃ To 80℃	Recommended Thickness:	150-500 μm
Pot Life:	Approximately 20 Minutes

Corrosion Resistance:	Excellent
Flame Retardant:	Yes
Water Proof:	Yes
Impact Resistance:	≥15J
Temperature Resistance:	-30℃ To 80℃
Recommended Thickness:	150-500 μm
Pot Life:	Approximately 20 Minutes

Product Description

High-Performance Epoxy Primer – ISO 21809-3 Compliant for Pipeline Field Joints

Product Introduction

Our high-performance epoxy primer is a two-component, solvent-free epoxy system specifically engineered for pipeline field joint corrosion protection. Fully compliant with ISO 21809-3 requirements, it serves as the critical bonding layer in heat shrink sleeve systems, ensuring field joints achieve the same level of protection as the mainline coating.

Key Features & Benefits

- ISO 21809-3 Compliant: Meets the stringent requirements of the international standard for field joint coatings, providing assurance of quality and performance.
- Superior Adhesion: Bonds firmly to blast-cleaned steel and compatible factory coatings including PE, PP, and FBE.
- Excellent Cathodic Disbondment Resistance: Protects against coating disbondment under cathodic protection, ensuring long-term integrity in buried and immersed conditions.
- Fast Curing: Rapid cure enables quick overcoating with heat shrink sleeves, improving field installation efficiency.
- High-Build Application: Recommended thickness of 150–500 μm can be achieved in a single application.
- Solvent-Free: 100% volume solids formulation minimizes VOC emissions and eliminates solvent entrapment risks.

Key Characteristics

Aspect	Details
Composition	Two-component, 100% volume solids (solvent-free) epoxy resin system
Function	First layer of three-layer shrink sleeve system; prepares steel surface for adhesive bonding
Key Performance	Excellent cathodic disbondment resistance, fast curing, high-build application, strong adhesion to steel and factory coatings
Compatibility	PE, PP, FBE, PU, CTE, and bitumen mainline coatings
Application	Manual or machine application by hand, roller, or spray; applied to prepared steel surface before sleeve installation
Technical Standards	Compliant with ISO 21809-3, EN 12068, DIN 30672, and applicable GB/T standards

Typical Properties

Property	Typical Value
Type	Two-component, solvent-free
Color	Black
Recommended Thickness	150–500 μm
Pot Life (23°C)	Approximately 20 minutes
Mixing Ratio	Varies by product (e.g., 100:28 or 4:1 by weight/volume)
Curing	Heat-assisted curing available for force-cure systems

System Integration

This primer is designed to work as an integrated component of heat shrink sleeve systems, compatible with common field joint coating configurations including three-layer PE and PP systems. When used with compatible shrink sleeves, the complete system meets the requirements for operating temperatures up to 100°C or higher depending on grade. The epoxy layer provides the critical bond between the steel substrate and the shrink sleeve adhesive, forming a durable, watertight corrosion protection structure for pipeline field joints

ISO 21809-3 Compliant Solvent-Free Fast Curing Epoxy Primer for Pipeline Field Joints and Heat Shrink Sleeves

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ISO 21809-3 Compliant Solvent-Free Fast Curing Epoxy Primer for Pipeline Field Joints and Heat Shrink Sleeves

ISO 21809-3 compliant epoxy primer

high-performance pipeline epoxy primer

epoxy primer for field joints

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