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WEST SYSTEM
#404 High Density Filler

Use this filler when ultimate strength is most important

A thickening additive developed for maximum physical properties in hardware bonding where high-cyclic loads are anticipated. It can also be used for filleting and gap-filling where maximum strength is necessary. May be added to the resin/hardener at a rate of 20–30% by weight, depending on the viscosity needed. Off White.

 
 
Product Models
Description WM Model # MFG Part # Availability Price Quantity  
#404 High-Density Filler - 15.2 OZ 382861 404-15
In stock online.

$16.49

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#404 High-Density Filler - 45.6 OZ 382895 404-45
In stock online.

$37.99

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#404 High-Density Filler - 30 LB 111304 404-B
In stock online.

$264.99

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Product Description

Use this filler when ultimate strength is most important

A thickening additive developed for maximum physical properties in hardware bonding where high-cyclic loads are anticipated. It can also be used for filleting and gap-filling where maximum strength is necessary. May be added to the resin/hardener at a rate of 20–30% by weight, depending on the viscosity needed. Off White.

 
 

Specs

REVIEW SNAPSHOT®

by PowerReviews
West System#404 High Density Filler
 
4.6

(based on 5 reviews)

Ratings Distribution

  • 5 Stars

     

    (4)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (4)
  • Protects well (4)
  • Visually pleasing (4)
  • Weather proof (4)

Cons

No Cons

Best Uses

  • Indoor (3)
  • Outdoors (3)

Reviewed by 5 customers

Displaying reviews 1-5

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5.0

Extremely strong bonding /filler material

By Capt. Rick

from Oakdale, NY

About Me Casual/ Recreational

Verified Buyer

Pros

  • Easy to Use
  • Protects Well
  • Visually Pleasing
  • Weather Proof

Cons

    Best Uses

    • Indoor
    • Outdoor
    • Wood Trim

    Comments about #404 High Density Filler:

    Extremely strong filler material. Use to thicken The West System epoxy for bonding similar or dissimilar materials.

    • Was this a gift?:
    • No
     
    3.0

    necessary product with few sources

    By deee

    from concord, ca

    About Me Advanced

    Verified Buyer

    Pros

      Cons

      • Difficult to Use
      • Messy

      Best Uses

      • fiber glass projects

      Comments about #404 High Density Filler:

      part of a system

      • Was this a gift?:
      • No
       
      5.0

      This stuff works great!

      By Chris

      from Birmingham, AL

      About Me Professional

      Verified Buyer

      Pros

      • Dries Quick
      • Easy to Use
      • Holds Tight
      • Protects Well
      • Visually Pleasing
      • Weather Proof

      Cons

        Best Uses

        • Construction
        • Gas Station Construction
        • Indoor
        • Outdoor
        • Petroleum Field
        • Quick Fix

        Comments about #404 High Density Filler:

        We use this product as a bonding agent on tank sumps at Gas Stations and things of that nature and prefer it over the cheaper items

        (5 of 5 customers found this review helpful)

         
        5.0

        404 High Density Filler

        By MD

        from Louisiana

        About Me Casual/ Recreational

        Verified Buyer

        Pros

        • Easy to Use
        • Protects Well
        • Visually Pleasing
        • Weather Proof

        Cons

          Best Uses

            Comments about #404 High Density Filler:

            I used 404 High Density filler while rebuilding my transom. It sets up extremely hard. Very easy to work with and mixes well.

            (5 of 5 customers found this review helpful)

             
            5.0

            West System 404 High Density Filler

            By deepfreezesailor

            from Central Oregon

            About Me Advanced

            Verified Buyer

            Pros

            • Easy to Use
            • Excellent for embedding
            • Excellent Tech support
            • Extremely Strong
            • Mixes well with 105205
            • Protects Well
            • Visually Pleasing
            • Weather Proof

            Cons

              Best Uses

              • Indoor
              • Mounting hardware
              • Outdoor
              • Quick Fix
              • Wood Trim

              Comments about #404 High Density Filler:

              In the process of restoring a 1976 Venture 25 I have found 404 High Density Filler invaluable. I have used this filler mixed with 105/205 West System epoxy with amazing results.

              Displaying reviews 1-5

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