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Extreme® Assembly Adhesives
MMA Structural Adhesives


Best for tough and durable bonding of structural composites, most metals including steel, stainless steel and aluminum, most plastics, and masonry. Methyl Methacrylate Adhesives work very well on a variety of substrates. They are extremely strong and tough after full cure. They should not be used on glass, copper or brass. The white products resist yellowing.

EXT-300

A fast setting, high strength, all-purpose structural adhesive for bonding metals and most plastics. Ideal for applications requiring a fast fixture time. Primer-less adhesion to metal.

  • Work Time (Minutes): 4 to 5
  • Color: Straw or Black
  • Viscosity: Medium/ Creamy
  • Elongation: Moderate
  • Mix Ratio by Volume: 1:1

Packaging: 50ml, 250ml, 400ml

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EXT-308

A high strength, fast setting, non-yellowing white adhesive specially formulated for PVC foam board, PVC pipe, ABS, metal, and most other plastics.

  • Work Time (Minutes): 4 to 5
  • Color: Bright White
  • Viscosity: Medium/ Creamy
  • Elongation: Moderate
  • Mix Ratio by Volume: 1:1

Packaging: 50ml, 250ml, 400ml

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EXT-308 SuperFast

Extreme 308 SuperFast is a medium viscosity, solvent free, methyl methacrylate structural adhesive system that provides flexibility, toughness and surface adhesion for bonding plastics and metals in any combination. Cured performance shows excellent adhesion and bond strength to aluminum, steel, various plastics, stone, ceramics as well as plain and/or plated metal components. This material can withstand thermal cycling and shock loading between dissimilar materials. Although it is always best to clean and prepare most bonded surfaces for improved adhesion. Extreme 308 SuperFast will work successfully in many applications without preparation. Extreme 308 SuperFast is a fast cure speed, two component product with an open time of 90-120 seconds and a fixture time of 6 minutes or less. For additional information please consult our Technical Data Sheet.

  • Color: White
  • Viscosity: 50,000cps mixed
  • Elongation: <60%
  • Mix Ratio by Volume: 1:1

Packaging: 25ml, 50ml, 220ml, 400ml, 5 gallon pail kit.

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EXT-310

Medium setting, structural adhesive offers outstanding adhesion to metals and plastics. Formulated for toughness and impact strength. Primer-less adhesion to metal.

  • Work Time (Minutes): 13 to 17
  • Color: Straw or Black
  • Viscosity: Medium/ Creamy
  • Elongation: Moderate
  • Mix Ratio by Volume: 1:1

Packaging: 50ml, 250ml, 400ml

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EXT-312

EXT-312 is 1:1 mix ratio, solvent free, Methyl Methacrylate-based, structural adhesive formulated to bond a broad range of substrates, including: Steel, Aluminum, Fiberglass, Engineered Thermoplastics, composites, etc. What makes this material unique is the ability to form very tough, high strength bonds while maintaining significant flexibility, high elongation and a softer durometer than most MMA’s. Its features include a non-sage viscosity, medium open time (10-14 minutes) and a fast fixture time (16 minutes). For more information please review our Technical Data Sheet.

Packaging: 50ml, 220ml, 400ml, 5 gallon pail kit

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EXT-350

A long open time, high viscosity system, ideal for large gap applications. Outstanding adhesions to fiberglass, most plastics and composites. Long working time for positioning parts, and large applications.

  • Work Time (Minutes): 40 to 60
  • Color: Straw or Black
  • Viscosity: High
  • Elongation: Moderate
  • Mix Ratio by Volume: 1:1

Packaging: 50ml, 250ml, 400ml

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EXT-400

EXT-400 is a 4:1 mix ratio, solvent free, methyl methacrylate-based, structural adhesives formulated to bond a broad range of substrates, including: Steel, Aluminum, fiberglass, engineered thermoplastics, thermosets, composites, etc. This material has extremely high durability, environmental resistance and excellent solvent resistance to many common industrial lubricants, water, high humidity, UV energy and weathering. The incredible strength of EXT-400 has been test at over 4900 psi in tensile strength on CRS, while incredibly maintaining elongation at over well over 40%. This material is non-sag, with fast open time of approximately 5 minute and a fixture time of less than 20 minutes. EXT-400 is available either in clear or white. For more information please review our technical data sheet.

  • Work Time (Minutes): 4 to 5
  • Color: Straw or White
  • Viscosity: Medium/ Creamy
  • Elongation: Moderate
  • Mix Ratio by Volume: 4:1

Packaging: 50ml, 400ml, 5 gallon pail kit

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EXT-410

EXT-410 is a 4:1 mix ratio, solvent free, methyl methacrylate-based, structural adhesives formulated to bond a broad range of substrates, including: Steel, Aluminum, fiberglass, engineered thermoplastics, thermosets, composites, etc. This material has extremely high durability, environmental resistance and excellent solvent resistance to many common industrial lubricants, water, high humidity, UV energy and weathering. The incredible strength of EXT-410 has been test at over 4900 psi in tensile strength on CRS, while incredibly maintaining elongation at over well over 40%. This material is non-sag, with medium open time of approximately 18 minute and a fixture time of approximately 60 minutes. EXT-410 is available either in clear or white. For more information please review our technical data sheet.

Packaging: 50ml, 400ml, 5 gallon pail kit

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EXT-5315HS

Medium viscosity, solvent-free structural adhesive system that provides flexibility, toughness and surface adhesion for bonding plastics and metals in any combination.

  • Work Time (Minutes): 4 to 5
  • Color: Straw
  • Viscosity: Medium/ Creamy
  • Elongation: Low
  • Mix Ratio by Volume: 1:1

Packaging: 50ml, 250ml, 400ml

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EXT-5375HS

Medium viscosity, solvent-free structural adhesive system that provides flexibility, toughness and surface adhesion for bonding plastics and metals in any combination.

  • Work Time (Minutes): 25 to 30
  • Color: Straw
  • Viscosity: Medium/ Creamy
  • Elongation: Low
  • Mix Ratio by Volume: 1:1

Packaging: 50ml, 250ml, 400ml

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EXT-5395

EXTREME 5395 is a 1:1 solvent free, methyl methacrylate-based, structural adhesive formulated to bond metals for use in severe environments. It will also bond engineered thermo- and thermosetting plastics, composites to metals or various substrate combinations. It has excellent adhesion to as-received metal surfaces including aluminum, stainless steel, galvanized steel, and plated steels. EXTREME 5395 forms tough, high strength bonds usually with little to no surface preparation. This material develops handling strength in as little as 12 minutes and a functional cure within 90 minutes Ultimate strength exceeds 3500 psi of tensile shear strength on aluminum with remarkable impact and peel strengths. EXTREME 5395 has outstanding durability and environmental resistance to many common industrial solvents, and environmental conditions such as fresh water immersion, or high humidity. This product has excellent low temperature performance. For more information please review our technical data sheet.

Packaging: – 50ml, 220ml, 400ml, 5 gallon pail kit

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EXT-500

Rapid curing, toughened, two component acrylic adhesive with extraordinary strength, elongation, and toughness. Designed for bonding composites, thermoplastics and metals. Meets bonding requirements of most assembly operations.

  • Work Time (Minutes): 4 to 7
  • Color: Gray
  • Viscosity: High
  • Elongation: High
  • Mix Ratio by Volume: 10:1

Packaging: 50ml, 250ml, 400ml

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EXT-510

Rapid curing, toughened, two component acrylic adhesive with extraordinary strength, elongation, and toughness. Designed for bonding composites, thermoplastics and metals. Meets bonding requirements of most assembly operations.

  • Work Time (Minutes): 16 to 22
  • Color: Gray
  • Viscosity: High
  • Elongation: Moderate
  • Mix Ratio by Volume: 10:1

Packaging: 50ml, 250ml, 400ml

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Additional Information
Product Categories
 
 
MMA Structural Adhesives
Product
Open Time (Min.)
Fixture Time (Min.)
Tensile Shear Strength (AL)
Impact Strength (Steel)
Peel Strength (AL)
Service Temperature
Hardness (Shore D)
Best For
More
EXT-300
5 - 6
15 - 25
3390 psi
20 ft/lbs
25 pli
-65 F to +260 F
75
Metals, Composites, Thermoset Plastics
more
EXT-308 (contains microballoons)
5 - 8
15 - 20
3300 psi
20 ft/lbs
25 pli
-65 F to +260 F
75
Thermo- Plastics, Composites - Metals
more
EXT-308 SuperFast
2 - 3
5 - 6
3390 psi
20 ft/lbs
25 pli
-65 F to +260 F
75
Metals, Composites, Thermoset Plastics
more
EXT-310
13 - 17
35 - 45
3300 psi
20 ft/lbs
25 pli
-65 F to +260 F
75
Metals, Composites, Thermoset Plastics
more
EXT-312
10 - 14
16 - 18
2300 psi
13 ft/lbs
30 pli
-40 F to 250 F
30 - 35
Metals, Composites, Thermoset Plastics
more
EXT-350
45
120 - 140
3010 psi
20 ft/lbs
25 pli
-65 F to +260 F
60
Composites, Plastics
more
EXT-400
5 - 6
15 - 20
4500 psi
> 20 ft/lbs
> 50 pli
-40 F to +225 F
60
Metals, Composites, Engineering Plastics
more
EXT-410
18 - 20
60
4500 psi
> 20 ft/lbs
> 50 pli
-40 F to +225 F
60
Metals, Composites, Engineering Plastics
more
EXT-500
4 - 7
12 to 18
2567 psi
-
-
-40 F to +225 F
-
Metals, Composites, Thermoset Plastics
more
EXT-510
16 - 20
25 to 35
2610 psi
-
-
-40 F to +225 F
-
Metals, Composites, Thermoset Plastics
more
EXT-5315HS (contains glass beads)
4 - 5
15 to 25
4150 psi
>25 ft/lbs
34 pli
-40 F to +275 F
70
Metals, Composites
more
EXT-5375HS (contains glass beads)
25 - 30
100 - 120
4100 psi
>25 ft/lbs
34 pli
-40 F to +275 F
70
Metals, Composites
more
EXT-5395
10 - 12
20 - 25
3800 psi
-
60 pli
-40 F to +275 F
70
Metals, Composites
more
             

Under no circumstance will Royal Adhesives & Sealants LLC. or its subsidiaries, the manufacturer, or the seller of its products be liable for incidental or consequential damages arising from the use of any of its products. Any damages in connection with the use of any of Royal's products by the buyer, seller, user or any other person are strictly limited to the purchase price of the product only. Customer accepts full responsibility. All installation guidelines must be followed. Refer to literature or call 574-246-5000 for installation guidelines.

 

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