RESIN TYPES - THEIR ADVANTAGES & DISADVANTAGES

 

There are several types of resins that Fiberglass Coatings offers. This page is a high level look at the advantages and disadvantages of each resin. If you need more detail please call one of our technical support representatives to get all of your questions answered.

 

NSR or Boatyard

  1. Inexpensive
  2. Highly inhibited for longer shelf life
  3. Stays liquid longer
  4. Shouldn't be used below the waterline
  5. Shows cosmetic defects

 

GP Marine

  1. Highly inhibited for longer shelf life
  2. Fast wet-out
  3. A good industrial laminating resin
  4. Water can bleed through and cause blisters or laminating problems

 

Boat Builder or Low Profile

  1. Designed for boats that don't stay in the water
  2. Higher heat temperature distortion
  3. Better water resistance
  4. Low shrink - good cosmetically

 

Isophthalic

  1. Corrosion resistance
  2. Good chemical resistance
  3. High strength

 

Vinylester

  1. High water barrier resistance
  2. Better bonding strength
  3. Helps to prevent osmotic blistering
  4. Better physical strength

 

Orthophthalic (GP100)

  1. Absorbs less water
  2. Shrinks less - good cosmetically
  3. Good for hand wet-out
  4. Can be used above or below the waterline

 

Clear Casting

  1. Colorless and clear as ice
  2. Used for casting and embedding

 

Surfboard

  1. Clear, wax free
  2. Designed for surf and sail board building or repair