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LORD Corporation

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Structural Urethane Adhesives

LORD urethane structural adhesives are an excellent choice for bonding to a wide variety of thermoplastics and composites, plus difficult to bond substrates such as fabric, foam and wood. They can also be used for metal bonding applications where the metal is primed or coated. Our urethane bonding adhesives have low odor, can deliver fast or slow cure times and have the combination of high toughness, strength, and flexibility that makes these adhesives an ideal choice for joining both lightweight and structural assemblies.

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View Urethane Adhesives

Benefits of Urethane Adhesives

  • Multiple work times and cure speeds to meet application requirements 

  • High elongation

  • No odor, environmentally recommended 

  • Specialty versions to meet application requirements:

  • Resist sunlight (non-yellowing)

  • Optically clear, translucent, bright white color options

  • Formulas for precise, small beads and large beads

  • Excellent adhesion on numerous composites without pre-abrasion (ex: SMC)

  • Temperature resistance within their category

Substrates for Urethane Bonding Adhesives

  • Composites 

  • Plastics

  • Coated Metals

  • Foams

  • Textiles

  • Reinforced Thermoplastics

  • Glass

  • Rubber

  • Ceramic/Stone

  • Wood

What are Urethane Adhesives?

Urethane adhesives are formulated with much lower viscosity compared to epoxy or acrylic adhesives. Also, urethane adhesives can be offered as either one-component (1k) or two-component (2k) systems. 

Want to know more about Urethane Adhesives?
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LORD 7800 Series:

LORD 7800 Black Adhesive Bead

  • Bonds composites, sheet moulding compund (SMC) plastics and prepared metals
  • Excellent sag resistance and gap filling 
  • Easy application and implementation
  • Consistent cure speeds and low exotherm
  • Fast handiling strength
  • Environmentally recommended, heavy metal free

 

LORD 7542 Series:

LORD 7542 Brown Adhesive Bead

  • Structural bond to fiber-reinforced plastics (FRP), SMC and other plastics; and prepared metals with minimal surface prep
  • Lower viscosity, suitable for gravity fed meter mix dispensing (MMD) equipment 
  • Wide range of work times
  • Non-flammable 
  • Environmental and chemical resistant 
  • UL746C certified 

LORD 7545 Series:

LORD 7545 Neutral Colored Adhesive Bead

  • Structural bond to FRP, SMC and other plastics and prepared metals with minimal surface prep
  • Non-sag, remains in position on vertical and overhead surfaces
  • Non-flammable
  • Environmental and chemical resistant 

 

LORD 7550

LORD 7550 Urethane Clear Adhesive Bead

  • Bonds Lexan, acrylonitrile butadiene styrene (ABS), polycarbonate, other plastics and primed metals, non-structural

  • Optically clear, non-yellowing, self-leveling, flows into hard-to-reach spaces

  • Environment and solvent resistant when cured

LORD 7555 Series:

LORD 7555 Urethane White Adhesive Bead

  • Bond and seal plastics and prepared metals
  • Non-sag, non-slump
  • Bright white, non-yellowing
  • Paint and finish immediately 
  • Auto/Truck bond and seal, clean rooms

 

LORD 7556 Series:

LORD 7556 Urethane Translucent Adhesive Bead

  • Bonds Lexan, ABS, Polycarbonate, other plastics and primed metals, structural translucent
  • Non-sag
  • Environmental and solvent resistant when cured

LORD 7100 Series:

LORD 7100 Urethane Adhesive Bead

  • High strength, bonds to plastics without crazing, attacking or lowering strength of plastics
  • Self-leveling, low viscosity
  • No volatile organic compounds (VOC) content
  • Environmental and solvent resistant

 

LORD 7600 Series: 7602, 7610DTM, 7650

LORD 7600 Urethane Adhesive Bead

  • Single component, convenient to use
  • Bonds and seals most plastics, glass, concrete, wood, foam, rubber, prepared and bare metals
  • Non-sag paste and liquid options

LORD Urethane Adhesives - Most Popular Products
PRODUCT DESCRIPTION ACCELERATOR MIX RATIO
by Volume		 MIXED APPEARANCE WORK TIME* HANDLING TIME* FULL CURE TIME* TYPICAL VISCOSITY (cP)
High Strength
Structural Bonding		 7800 Bonds composites, SMC, plastics and prepared metals, rapid strength development, excellent sag resistance and gap filling capability, low exotherm, high elongation, free of heavy metals, environmentally recommended 7800-A Resin
7800-C Curative
7800-D Curative		 1:1 Black Paste --
2-4.5 min
4‑8 min		 --
12 min
25 min		 24 hr 8,000-25,000
33,000-60,000
33,000-60,000
7542
UL 746C Certified Adhesive		 Structural bond to FRP, SMC and other plastics and prepared metals with minimal surface preparation, lower viscosity, suitable for gravity fed MMD, wide range of work times, non-sag paste, non-flammable, environment and chemical resistant, UL 746C certified 7542-A Resin
7542-B Curative
7542-C Curative
7542-D Curative
7542-E Curative
7542‑B Black Curative		 1:1  
 
Brown Paste
 
 
Black Paste		 --
4-7 min
11-15 min
20-30 min
50-60 min
4-7 min		 --
1-2 hr
2 hr
3 hr
4 hr
1-2 hr		 24 hr 1,500‑4,500
7,000‑14,000
4,000‑14,000
5,000‑14,000
5,000‑18,000
7,000‑14,000
7545 Structural bond to FRP, SMC and other plastics and prepared metals with minimal surface preparation, non-sag, remains in position on vertical and overhead surfaces, Non-flammable, environmental and chemical resistant 7545-A Resin
7545-B Curative
7545-C Curative
7545-D Curative
7545-E Curative
7545-F Curative
 
7545-G Curative
7545-B Black Curative
7545‑D Black Curative		 1:1  
 
Off-White Paste
 
 
 
 
Black Paste		 --
3-5 min
6-8 min
11-18 min
22-38 min
45-65 min
 
1.5 min
4-7 min
11-18 min		 --
30 min
60 min
1-1.5 hr
2-3 hr
4-5 hr
 
10 min
30 min
1-1.5 hr		 24 hr 25,000‑70,000
230,000‑650,000
230,000‑650,000
230,000‑650,000
230,000‑650,000
230,000‑650,000
 
230,000‑650,000
230,000‑650,000
230,000‑650,000
Specialty Bonding and Sealing 7550 Non-structural bond to Lexan®, ABS, polycarbonate, other plastics and primed metals, Optically clear, self-leveling, flows into hard-to-reach spaces, excellent for bonding parts with tight tolerances, non-yellowing 7550-A Resin
7550-C Curative		 1:1 Clear Liquid 3-5 min 1 hr 24-72 hr 1,800-4,000
6,000-12,500
7555 Bonds and seals plastics and prepared metals, non-sag, paint and finish quickly, non-yellowing, UV and chemical resistant, formulated for auto/truck bond and seal and clean rooms 7555-A Resin
7555-C Curative
7555-E Curative		 1:1 Bright White Paste --
3-5 min
45 min		 --
1 hr
5-6 hr		 24 hr 40,00-160,000
130,000-230,000
130,000-230,000
7556 Bonds to Lexan, ABS, polycarbonate, other plastics and primed metals, translucent, non-sag, environmental and chemical resistant 7556-A Resin
7556-B Curative
7556-C Curative		 1:1 Translucent Paste --
3-5 min
4-6 min		 --
1 hr
1.5-2.3 hr		 24 hr 40,000-160,000
95,000-300,000
80,000-300,000
7100 High strength, high elongation formulated for cloth, paper, foams, rubbers and plastics, bonds plastics without crazing, attacking or lowering strength of plastics, self leveling, low viscosity, no VOC content, environmental and solvent resistant 7100-A Resin
7100-B Curative		 1:2 Glossy Black Liquid 5-10 min 2-3 hr 24 hr 3,000-16,000
45,000-72,000
7150 7150-A Resin
7150-B Curative		 1:2 Glossy Grey Liquid 5-10 min 2-3 hr 24 hr 3,000-16,000
45,000-65,500
Single Component 7602 Single-component, formulated for excellent adhesion to various plastics, wood, fabrics, cured elastomers, and prepared metals including precoated steel 7602 -- Off-White Paste 10-20 min 24 hr 24-72 hr 50,000-250,000
7610DTM Single-component, direct-to-metal adhesive/sealant for plastic, wood, fabrics and metals, non-sag, resistant to indirect UV exposure, 15 month shelf life, can finish immediately before skinning over 7610DTM -- White Paste 25-35 min 6-12 hr 1-5 days** --
7650 Single-component, formulated for open cell polyethylene foam, styrofoam, HD urethane foam, plastic, fabric, rubber and prepared metal, high-tack, low viscosity, good impact resistance, suitable for laminating 7650 -- Honey Liquid 15-30 min 24 hr 1-5 days 400-2,000

*Can be accelerated with heat.
**Temperature dependent.
Beyond Ordinary Glue Part 1: Adhesive Basics
Structural adhesives are not your ordinary house-hold glue. They're designed to support loads and improve manufacturing processes. Explore the markets these adhesives are used.
Read post
Beyond Ordinary Glue Part 4: Urethane Adhesives
Urethane adhesives are very versatile and can bond with hard-to-bond to substrates. Explore all there is to know about Urethanes.
Read post

Resources

Urethane Adhesive FAQs
Structural adhesive frequently asked questions.
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View all Adhesives
See our full listing of acrylic, urethane and epoxy adhesives.
Where to Buy
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