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Barrday PVB Phenolic Systems

Barrday PVB Phenolic Systems are a family of thermoset resins that display outstanding structural rigidity, toughness, and adhesive strength. They are used primarily in ballistic helmet and vehicle applications once impregnated into high performance aramid fabrics. These fabrics offer exceptional ballistic performance in vehicle spall liner applications and versus fragmentation threats, as well as excellent structural and thermal properties. Standard configurations conform to MIL-DTL-62474 aramid fabric reinforced laminates for composite armor.

Polymer Name: Phenolic Compound

Chemical Family: Phenols & Phenolics

End Uses: Helmets

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Phenols & Phenolics
Polymer Name
Phenolic Compound
Composite Materials Functions
Resins, Binders & Matrix Materials
Technologies
Composite Materials
Product Families
Composite Materials — Polymers & Resins
Thermoset Resins

Features & Benefits

Materials Features
Excellent Toughness,
Good Adhesion
Product Highlights
  • Thermosetting: fast cycle time.
  • Toughened: balanced structural and ballistic performance.
  • Pigmented: variety of colors for improved paintability.
  • Robust: easy molding, forgiving, managed flow.
  • Product life: excellent environmental perfor-mance and durability.

Applications & Uses

Markets
Automotive & Transportation,
Consumer Goods,
Industrial
Applications
Automotive & Transportation — Automotive
Interior
Industrial — Military & Defense
Body Armor
Consumer Goods — Sports & Recreation
Automotive & Transportation — Transportation
Aerospace & Aviation,
Marine
Composites End Use
Helmets
Recommendations
  • Preformed parts can be placed directly on heated mold at appropriate temperature.
  • Apply pressure based on manufacturing process.
  • Degassing steps required to remove moisture during first 5 minutes of molding cycle
  • Hold pressure until cured time is reached.
  • Remove part from heated mold.
  • Cooling under pressure can improve dimensional stability if needed.

Technical Details & Test Data

Process Information

The following guidelines are provided to assist with general recommendations for successful processing. These are meant for review purposes only and process adjustments may be required to achieve optimum results in your specific manufacturing environment. All process temperature recommendations given below are meant to be verified by implanted thermocouple.

  High Performance Mil Spec Low Temperature
Resin LC799 LC818 LC815
Temperature 260 – 350oF (127 – 177oC) 290 – 350oF (144 – 177oC) 250 – 280oF (121 – 137oC)
Pressure (psi) 150 – 3000 150 – 3000 150 – 3000
Time (min) 10 - 30 10 - 30 10 - 30
Shelf Life

2 Months < 80oF (27oC)

12 Months < 40oF (5oC)

2 Months < 80oF (27oC)

12 Months < 40oF (5oC)

2 Months < 80oF (27oC)

12 Months < 40oF (5oC)

 

Packaging & Availability

Packaging Type
Drums,
Totes (IBC)
Product Forms

Barrday’s PVB Phenolic resins are available:

  • On many fabric substrates as double side coated prepreg, single side coated prepreg or film laminated prepreg. Typical resin content ranges are from 10 to 20% weight basis, dry prepreg.
  • As a cast film in weights of 15 to 100 gsm.
  • As liquid resins in 5 gallon containers, 55 gallon drums, or large totes.
  • In standard clear (unpigmented) and green colors.