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Resins: Epoxy resins

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上海

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100KG/bag

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2025-06-08

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Shanghai Fanbiao Textile Technology Co., Ltd.

Company Type:

Trader

Location:

China

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Main Products:

Chemical

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Product Description
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Description

Introduction to Epoxy Resins

Epoxy resins are a class of thermosetting polymers known for their exceptional adhesion, chemical resistance, and mechanical strength. They are widely used in coatings, adhesives, composites, and electronics due to their versatility and durability.

Key Properties of Epoxy Resins

Property	Description
Chemical Structure	Contains epoxide groups (cyclic ethers with a 3-membered ring)
Common Types	Bisphenol-A (DGEBA), Bisphenol-F (DGEBF), Novolac, Aliphatic, and Glycidylamine
Appearance	Clear to amber viscous liquid or solid (depending on molecular weight)
Curing Mechanism	Reacts with amines, anhydrides, or phenols to form cross-linked networks
Density	1.1–1.4 g/cm³
Glass Transition (Tg)	50–250°C (122–482°F) (varies with curing agent and formulation)
Tensile Strength	70–90 MPa (for cured resins)
Chemical Resistance	Excellent against acids, alkalis, and solvents

Applications of Epoxy Resins

Industry	Application
Coatings & Paints	Protective coatings for metal, concrete, and marine environments
Adhesives	Structural bonding in aerospace, automotive, and construction
Composites	Fiber-reinforced plastics (FRP) for wind turbines, aircraft, and sports equipment
Electronics	Encapsulation of circuits, PCB laminates, and insulating materials
Construction	Flooring, grouts, and repair mortars for high-durability applications
3D Printing	High-performance photopolymer resins for additive manufacturing

Advantages & Limitations

Advantage	Limitation
Strong adhesion to metals, plastics, and ceramics	Brittleness (requires toughening modifiers)
Excellent chemical & moisture resistance	Long curing time (can be accelerated with heat)
High mechanical & thermal stability	Potential skin irritation (uncured resins)
Low shrinkage during curing	Higher cost than polyester/polyurethane resins

Safety & Handling

Parameter	Guideline
Storage	Keep in sealed containers, away from moisture and amines
Curing Agents	Amines (toxic; require PPE), Anhydrides (less hazardous)
VOC Emissions	Low in solid/high-molecular-weight epoxies
Biodegradability	Non-biodegradable; incineration recommended

Comparison with Other Resins

Resin Type	Epoxy	Polyester	Polyurethane
Adhesion	★★★★★	★★★☆☆	★★★★☆
Chemical Resistance	★★★★★	★★★☆☆	★★★☆☆
Curing Speed	★★☆☆☆	★★★★☆	★★★★★
Cost	High	Low	Medium

Basic Info

Product Name:

Resins: Epoxy resins

Categories:

Paint Solvent

Seller Information

Business Type:
Trader

Main Products:
Chemical

Location:
Room 1833, Building D, No. 4299, Jindu Road, Minhang District, Shanghai

Year of Establishment:
2006
Country Product Purchase Quantity Date Posted

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Resins: Epoxy resins

Product Description

Seller Information

Introduction to Epoxy Resins

Key Properties of Epoxy Resins

Applications of Epoxy Resins

Advantages & Limitations

Safety & Handling

Comparison with Other Resins

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