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Composites Resins

Bakelite products are used around the globe as a primary component of FRP COMPOSITES.

FRP composites are used to replace steel, aluminum, and wood in a wide range of applications.

Composites offer numerous advantages over other materials – lower density, lighter weight, better corrosion resistance, strength, and durability. Composites’ inherent fire resistance, strength, and ability to withstand high temperature environments with less weight than those materials have made them the product of choice for fire resistant piping, mining ventilation systems, and armored vehicles. In public transportation, they are used in aircraft interiors, fire resistant railcar and bus parts, passenger decking and walkways.

Cellobond™ Resole Resins have been designed to have low viscosity specifically to facilitate the manufacture of composites by automated processes such as VARI or Vacuum Infussion where a high degreee of fire safety, excellent mechanical properties or resistance to high temperatures is required. 

Cellobond™ Resin and Catalyst combonation processes include, but are not limited to, Hand Laminations, Spray Depositiation, Warm Press Molding, Resin Transfer Molding, Pultrusion, Vacuum Injection, Vacuum Infussion, Continuous Lamination, Syntactic Foam.

Phenolic Resins that push boundaries for a cleaner and safer world

In recognition of quantifiable improvements to go beyond legal requirements imposed through legislation and codes of practice. Use resources responsibly. Produce products more sustainably. The result: 50 times reduced monomer emission when using ULE technology.

Best in Class Fire at Lowest Weight

European Fire Safety Standard EN 45545 is now a reality for the rail market EN 45545-2 hazardous level depending on manufacture and vehicle design. No need for intumescent gelcoat, fire retardants, fillers

Introducing BREAKTHRU™ technology, a unique development that laboratory analysis has shown to decrease free formaldehyde to less than 0.1% versus the typical 0.3-1.5% in phenolic resins. Other potential benefits include improved honeycomb strength performance, reduced free phenol and solvent elimination, with the attendant VOC reduction.

Our phenolic novolac resins are used as curing agents for epoxy resins and as cure accelerators that promote rapid cure in resins for use in FRP composite applications.

PULTRUSION
  • Can process on traditional polyester pultrusion equipment
  • Styrene-free
  • Thermally cured

Find out more about Pultrusion

SHEET AND BULK MOLDING COMPOUNDS (SMC/BMC)
  • Resistance to hydrocarbon and chlorinated solvents
  • Viscosity, processing and cure properties that can avoid special processing or equipment adjustments
HAND LAY-UP AND RESIN TRANSFER MOLDING (RTM)

Parts made from many Bakelite® resins meet requirements of United States, British and International Maritime Organization Standard Fire Tests

HONEYCOMB AND PREPREG
  • Resins for Nomex® and Kevlar® honeycomb, glass and carbon fiber prepregs
  • Solvent-borne and waterborne resins
  • Parts made from many Bakelite resins meet requirements of United States Military Specification MIL-R-9299C and MIL-DTL-64154B
FILAMENT WINDING
  • Latent catalysts to produce a pot life equal to that of a polyester mix while maintaining cure speed
  • Typical resin cure temperatures are 65°C to 95°C
  • After curing, pipes demonstrate strength, dimensional stability, and glass transition temperature (Tg) from 120°C to 220°C. Higher Tg is possible
FIRE RESISTANT

Rail composite parts needs to be fire resistant, easy to process and tough. We offer a proven portfolio, long-term partnership and R&D that allows us to supply phenolic products that: 

  • Can meet regulatory requirements, including the strictest FST standards, such as EN 45545 HL3 BS 6853
  • Do not need additional flame retardants or intumescent coatings
  • Are suitable for multiple processing method such as honeycomb

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The products below represent many of our off-the-shelf products. Contact us to identify the product appropriate for your specific application. Some of our products are used with resin systems that include a Bakelite® catalyst as a base accelerator to improve cure speed.

FRP COMPOSITES

PRODUCT Category Sample Applications Characteristics Non-volatiles, @ 135°C, % Viscosity, @25°C, cps Solvent / Water § Phenol, % Formaldehyde, %
Bakelite® 5236 Prepreg Aircraft interiors, armored vehicles, ballistics, composites, fire-resistant construction materials, high temperature applications, laminates, missile and aircraft structural components and insulation, circuit board components. Low smoke generation • Strength • Fire resistance • Meets the requirements of Military Specification MIL-R-9299C, Type II, Class 2 Grades A & B and Military Specification 64154B 60 – 65 300 – 800 Ethanol 5 - 12 2.0 max.
Bakelite® 5236M Prepreg Aircraft interiors, armored vehicles, ballistics, composites, fire-resistant construction materials, high temperature applications, laminates, missile and aircraft structural components and insulation, circuit board components. Low smoke generation • Strength • Fire resistance • Meets the requirements of Military Specification MIL-R-9299C, Type II, Class 2 Grades A & B and Military Specification 64154B 60 – 65 300 – 800 Methanol/ Ethanol 5 - 12 2.0 max.
Bakelite® 5236H Prepreg Aircraft interiors, armored vehicles, ballistics, composites, fire-resistant construction materials, high temperature applications, laminates, missile and aircraft structural components and insulation, circuit board components. Low smoke generation • Strength • Fire resistance • Meets the requirements of Military Specification MIL-R-9299C, Type II, Class 2 Grades A & B and Military Specification 64154B • Same properties as Bakelite® 5236M but with higher processing viscosity 68 – 72 1,000 – 2,000 Methanol/ Ethanol 5 -12 2.0 max.
Bakelite® 7600 Prepreg Aerospace, aircraft interiors, composites, fire-resistant construction materials, high-temperature applications, laminates. Low smoke generation • Strength • Fire resistance 73 – 75 500 – 1,000 Water 10 max. 8.5 max.
Bakelite® 7624 Prepreg Honeycomb Fiberglass honeycomb, composites, aerospace. Post-formability • Low smoke generation • Fire resistance 56 – 62 500 – 1,500 Isopropanol (IPA) 10 - 15 1.0 max.
Bakelite® 5403 Prepreg Honeycomb Rocket nozzles, composites, aircraft interiors, carbon, fire-resistant construction materials, fire-resistant bus and rail car parts, abrasives. Low smoke generation • Flame resistance • Strength • Fire resistance 70 - 74 400 – 900 Water NA 0.5 max
Bakelite® 7648 Honeycomb Aircraft interiors; composites; fire-resistant railcar and bus parts and construction materials; high-temperature applications, laminates. Low smoke generation • Strength • Fire resistance • Meets the requirements of Military Specification MIL-R-9299C, Type II, Class 2 Grade A. 64 – 68 100 – 200 Water 9 - 15 1.5 max.
Bakelite® 445D05 Honeycomb Impregnating resin Aircraft Interiors, armored vehicles, ballistics, composites, fire-resistant construction materials, laminates. High temperature resistance • Low smoke generation • Strength • Fire resistance • Meets the requirements of Military Specification MIL-R-9299C, Grade A 64 – 68 500 – 1,000 IPA 25 max. 0.8 max.
Bakelite® 582D58 SMC/BMC Automotive parts, mass transit, aircraft interiors. Low smoke generation • Fire resistance • High strength and modulus properties 74 – 78 500 – 800 Water 8 - 12 1.0 max.
Bakelite® 486G34 with Bakelite® 4826 catalyst Hand lay-up, RTM Composites, fire-resistant bus and railcar parts, fire-resistant construction materials, fire-resistant walkways, high temperature applications, laminates, passenger platform decking. Low smoke generation • Strength • Fire resistance 71 – 75 350 – 750 Water 8 - 10 1.0 max.
Bakelite® 5018 Filament winding, Hand layup, RTM Mining ventilation ducts, composites. Low smoke generation • Fire resistance • Flexibility 70 – 76 800 – 1,400 Glycol/ Water 10 max. 1.0 max.
Bakelite® 5022 Hand layup, RTM, Filament winding Fire-resistant construction materials, mass transit, composites. Low smoke generation • Strength • Fire resistance 70 – 74 600 – 1,000 Water 11 max. <2.5
Bakelite® 145K26 Vacuum infusion, Hand layup, RTM, Filament winding Aerospace, fire-resistant construction materials, composites, mass transit. Low smoke generation • Fire resistance 68 – 72 150 – 350 Water 15 max. 1.0 max.
Bakelite® 677D60 with Bakelite® 4840 catalyst Coating resin Aircraft composite part repair. Fire resistance 78 – 82 3,000 – 6,000 Water NA 0.5 max.
Bakelite® 161G66 Pultrusion High temperature applications, composites, fire-resistant railcar parts, walkways, passenger platform decking, offshore oil rig grating. Low smoke generation • Fire resistance 72 – 76 1,500 – 2,000 Methanol 10 max. 1.0 max.
Bakelite® 7649 Prepreg Honeycomb Abrasives; fire-resistant construction materials, railcar parts, bus parts; aircraft interiors, composites; air conditioning and mining ventilation systems; high temperature applications. Low smoke generation • Fire resistance • Strength • Flame resistance • Meets the requirements of Military Specification MIL-R-9299C, Type II, Class 2 Grades 64 – 67 100 – 200 Water 13 max. 2.0 max.
Bakelite® 5168 Laminating Aircraft interiors, composites, laminates, prepreg, fiber-reinforced polymers, fire-resistant construction materials, high temperature applications. High Temperature resistance 55 – 59 400 – 1,200 Methanol 8 – 10 1.0 max.

§ Contact Bakelite Synthetics for your specific solvent requirements. Bakelite Synthetics recommends the use of a catalyst with many of our resins. Parts characteristics are contingent on proper application of the Bakelite® resins. These products are available in drum and bulk packaging. Resins and catalysts should be used in areas with good ventilation. Resins should be stored at temperatures at or below 40°F (5°C). Catalysts should be stored at 20 – 25°C, lower temperature storage can cause crystallization of the catalyst. Prior to use, the resin should be brought to room temperature. As with any resin/acid system, precise and thorough mixing of the resin and catalyst mixture is essential to achieve uniform cure and optimum quality.

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Michael Stahl

Your contact for general requests.

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Gaye Haas, Heike Haas

Your contact for Phenolic and Amino Resins.

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Ramesh Pisipati

Your contact for Aromatic Polyols.

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Rene Hackler

Your contact for Molding Compounds.

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Jan Prins

Your contact for Formaldehyde.

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