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Premium TDI & MDI Polyurethane Solutions

High-performance polyurethane prepolymers, adhesives, and chemical additives engineered for durability, chemical resistance, and industrial reliability.

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Your Professional & Reliable Partner

Qingdao Exceed Fine Chemicals Co., Ltd is a high-tech enterprise integrating manufacturing and trading, specializing in polyurethane-based products. We are committed to R&D and collaborate with leading Chinese universities and institutions.

Our heat-vulcanization, environmentally friendly bonding adhesives match the performance of world-renowned brands like Lord and Dow, offering superior quality at competitive prices.

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RoHS & Quality Certified
TDI 80/20 Low Free TDI Prepolymer Low Free NDI Polyester Rubber to Metal Bonding Agent

Our Product Range

High-quality polyurethane systems, adhesives, curing agents, and chemical additives for industrial applications.

TDI Based Polyurethane

TDI Based Polyurethane

  • • Shore A78-80 Hardness
  • • NCO%: 2.80–2.95
  • • MOCA%: 8–8.3
  • • Base: TDI-80/Polyether
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Liquid Solvents

Liquid Solvents (DMF)

  • • CAS 68-12-2
  • • High Purity
  • • Industrial Grade
  • • ISO Tank Packing Available
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TDI 80/20

TDI 80/20

  • • Toluene Diisocyanate
  • • 80% 2,4-TDI / 20% 2,6-TDI
  • • Key raw material for PU systems
  • • High reactivity & stability
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Low Free TDI Prepolymer

Low Free TDI Prepolymer

  • • Equivalent to Adiprene LF 700
  • • Low free TDI content
  • • PTMEG-based
  • • Ideal for elastomers & coatings
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Low Free NDI Polyester

Low Free NDI Polyester Prepolymer

  • • LFNE1394 Type
  • • Low free monomer
  • • High thermal stability
  • • For high-performance elastomers
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Rubber to Metal Bonding Adhesive

813 Rubber to Metal Bonding Adhesive

  • • Gray color, MEK/MIBK solvent
  • • Equivalent to Chemlok 205/207
  • • General purpose primer
  • • Excellent adhesion to metals
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MDI-Based Polyether Polyurethane Prepolymer

MDI-Based Polyurethane

  • • High toughness & durability
  • • Chemical & thermal resistance
  • • For coatings, adhesives, elastomers
  • • Stable performance
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DETDA Curing Agent

DETDA Curing Agent

  • • CAS No. 68479-98-1
  • • Diethyltoluenediamine
  • • Extended pot life
  • • High final cure strength
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Why Choose Us?

We deliver reliable, high-performance polyurethane solutions backed by innovation and quality assurance.

Quality Assured

RoHS compliant, rigorous QC, and supplier capability verified.

High Performance

Engineered for durability, chemical resistance, and thermal stability.

Environmentally Friendly

Eco-conscious formulations and sustainable manufacturing practices.

Global Support

Multilingual team serving clients worldwide with fast response.

74+
TDI MDI Polyurethane Products
67+
Bonding Adhesives
55+
Curing Agents
300+
Total Products

Frequently Asked Questions

What is the difference between TDI and MDI polyurethane?

TDI (Toluene Diisocyanate) polyurethanes are typically used in flexible foams and coatings due to their fast reactivity. MDI (Methylene Diphenyl Diisocyanate) polyurethanes offer higher thermal stability and mechanical strength, making them ideal for rigid foams, adhesives, and elastomers.

Are your adhesives compatible with Chemlok products?

Yes, our rubber-to-metal bonding adhesives are engineered as direct equivalents to Chemlok 205, 207, 6411, and other industry-standard primers and cover coats.

Do you offer custom formulations?

Yes, we provide OEM and ODM services. Our R&D team can tailor polyurethane systems, adhesives, and additives to meet specific performance requirements.

What packaging options are available?

We offer packaging in 25kg pails, 200kg iron drums, ISO tanks, and custom bulk solutions depending on the product and volume.

Is technical support available?

Yes, our technical team provides formulation guidance, application support, and troubleshooting assistance to ensure optimal performance.

Get in Touch

Contact us for product inquiries, technical support, or custom solutions.

Contact Person: Mr. Louis Liu
Email: louis.liu@exceedchemical.com
Phone: 86-532-86551935
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