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Factory Background

High-Performance Epoxy Resin & Chemical Additives

Trusted by global industries for over 30 years. Shanghai Stark delivers superior epoxy solutions with unmatched electrical insulation, durability, and technical support.

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About Shanghai Stark

Shanghai Stark Industrial Co., Ltd. has been a leading manufacturer of epoxy resin and chemical additives for over 30 years. With a relentless focus on innovation and quality, we serve domestic and international markets with high-performance materials engineered for demanding industrial applications.

Our commitment to excellence has earned us long-term partnerships across electronics, power systems, aerospace, and advanced manufacturing sectors. We continuously improve product performance to meet evolving global standards.

30+
Years Experience
40,000+
Tons Annual Output
30%
Export Ratio
Manufacturing Facility

Why Choose SH-Stark?

Three pillars of our global success

Unmatched Productivity

Equipped with world-leading production facilities, we produce over 40,000 tons annually. 30% of our output is exported globally, and we continue expanding to meet rising international demand.

Great Value

Three decades of expertise ensure superior product performance—better electrical conductivity, insulation, and partial discharge resistance. Our customers return because quality speaks louder than words.

Always On Call

Our service philosophy: "Always On Call." We dispatch technicians on-site for new product trials and conduct regular visits to long-term clients. Whether domestic or international, your needs come first.

Our Product Range

Premium epoxy resins and chemical additives engineered for performance

Epoxy Resin Standard Grade

Standard Epoxy Resin

Transparent to slightly yellow viscous liquid with excellent electrical insulation.

Epoxy Value: 4.0–4.5 Eq/kg
Viscosity (25°C): 2500–5000 mPa·s
Density (25°C): 1.16–1.20 g/cm³
Flash Point: ~135°C
Low Viscosity Epoxy Resin

Low Viscosity Epoxy Resin

Ideal for high-precision casting and impregnation applications.

Viscosity (25°C): 200–600 mPa·s
Density (25°C): 1.17–1.24 g/cm³
VP (25°C): ~0.5 Pa
Flash Point: ~140°C
Flame Retardant Epoxy

Flame Retardant Epoxy

Enhanced safety with superior fire resistance for electrical systems.

UL94 Rating: V-0
CTI: >600V
LOI: >28%
Appearance: Transparent yellow
Flexible Epoxy Resin

Flexible Epoxy Resin

Designed for dynamic environments requiring impact and thermal shock resistance.

Elongation: >8%
Tg: 60–75°C
Modulus: Low
Appearance: Slightly yellow
High-Tg Epoxy

High-Tg Epoxy Resin

For high-temperature applications in aerospace and power electronics.

Tg: >150°C
Decomp. Temp: >300°C
CTE: <50 ppm/°C
Appearance: Amber
Water-Based Epoxy

Water-Based Epoxy

Environmentally friendly formulation with low VOC emissions.

Solids Content: 40–50%
pH: 7.5–8.5
Viscosity: 50–200 mPa·s
Appearance: Milky white
UV-Curable Epoxy

UV-Curable Epoxy

Rapid curing under UV light for high-speed manufacturing.

Cure Time: <60 sec
Adhesion: Excellent
Hardness: >80 Shore D
Appearance: Clear
Conductive Epoxy

Conductive Epoxy

Filled with silver or carbon for EMI shielding and grounding.

Resistivity: 10⁻³ – 10⁻⁵ Ω·cm
Filler: Ag, Cu, or C
Temp Range: -60°C to 200°C
Appearance: Gray to black

Technology & Applications

Electrical & Electronics

  • • Insulation for transformers and motors
  • • Encapsulation of semiconductors
  • • PCB underfill and conformal coatings
  • • High-voltage switchgear insulation
  • • LED encapsulation

Industrial & Aerospace

  • • Composite matrix for carbon fiber
  • • Adhesives for structural bonding
  • • Coatings for corrosion protection
  • • 3D printing resins
  • • Cryogenic applications
40K+
Tons Produced Annually
30%
Exported Worldwide
30+
Years in Industry
500+
Global Clients

Frequently Asked Questions

What are the main applications of your epoxy resins?

Our epoxy resins are widely used in electrical insulation, electronic encapsulation, composite materials, adhesives, and protective coatings across industries like power, automotive, aerospace, and electronics.

Do you offer custom formulations?

Yes, we specialize in developing tailored epoxy solutions based on specific performance requirements, including viscosity, cure speed, thermal stability, and electrical properties.

What is your global reach?

Approximately 30% of our production is exported to markets in Southeast Asia, Europe, and North America. We provide on-site technical support for international clients.

How do you ensure product quality?

We follow strict ISO procedures, conduct batch testing, and maintain full traceability. Our R&D team continuously improves formulations based on customer feedback and industry trends.

Get in Touch

For product inquiries, technical support, or partnership opportunities, reach out to our team directly.

Contact Information

Phone: +86 15201731302
Mobile: +86 15201731302
Email: service@sh-stark.com
WeChat: +86 15201731302
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