C.R. Laurence Co., Inc.
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Catalog Number: SB577


  • The Preferred Method for Centering and Cushioning Glass

  • 80 Durometer Hardness

  • Special Sizes and Hardness are Available


  • CRL Neoprene Setting Blocks cushion and support glass, and act as a centering device for glass installed in channels. The neoprene composition of the blocks makes them resilient, so that glass cushioned by them can withstand vibration, shock, and heavy wind loads. A variety of sizes are available from stock. Custom sizes and hardness are also available on special order.



    CRL 1/4" x 1" x 4" Neoprene Setting Blocks - 80 Durometer


     


    Other Products/Finishes/Sizes:

    CATALOG NUMBER DESCRIPTION
    SB578 CRL 1/16" x 1/2" x 4" Neoprene Setting Blocks - 80 Durometer
    SB596 CRL 1/16" x 1/4" x 4" Neoprene Setting Blocks - 80 Durometer
    SB590 CRL 1/16" x 1-1/8" x 4" Neoprene Setting Blocks - 80 Durometer
    SB570 CRL 1/8" x 1/4" x 4" Neoprene Setting Blocks - 80 Durometer
    SB579 CRL 1/8" x 1/2" x 4" Neoprene Setting Blocks - 80 Durometer
    SB574 CRL 1/8" x 3/4" x 4" Neoprene Setting Blocks - 80 Durometer
    SB576 CRL 1/8" x 1" x 4" Neoprene Setting Blocks - 80 Durometer
    SB591 CRL 1/8" x 1-1/8" x 4" Neoprene Setting Blocks - 80 Durometer
    SB571 CRL 3/16" x 7/16" x 4" Neoprene Setting Blocks - 80 Durometer
    SB589 CRL 3/16" x 7/8" x 4" Neoprene Setting Blocks - 80 Durometer
    SB572 CRL 1/4" x 3/8" x 4" Neoprene Setting Blocks - 80 Durometer
    SB580 CRL 1/4" x 1/2" x 4" Neoprene Setting Blocks - 80 Durometer
    SB573 CRL 1/4" x 5/8" x 4" Neoprene Setting Blocks - 80 Durometer
    SB575 CRL 1/4" x 3/4" x 4" Neoprene Setting Blocks - 80 Durometer
    SB588 CRL 1/4" x 7/8" x 4" Neoprene Setting Blocks - 80 Durometer
    SB577 CRL 1/4" x 1" x 4" Neoprene Setting Blocks - 80 Durometer
    SB592 CRL 1/4" x 1-1/8" x 4" Neoprene Setting Blocks - 80 Durometer
    SB593 CRL 3/8" x 1-1/8" x 4" Neoprene Setting Blocks - 80 Durometer
    3455116 CRL 1/2" x 7/16" x 4" Neoprene Setting Blocks - 80 Durometer
    SB581 CRL 1/2" x 1/2" x 4" Neoprene Setting Blocks - 80 Durometer
    SB594 CRL 1/2" x 1-1/8" x 4" Neoprene Setting Blocks - 80 Durometer
    SB595 CRL 5/8" x 1-1/8" x 4" Neoprene Setting Blocks - 80 Durometer

    Catalog Number:SB577
    Also Available in These Catalogs:
    CRL83R Door and Window Replacement, PAGE 868W
    AM09 Architectural Metals 2009, PAGE M287
    CRL03 Sealants, Adhesives, and Fasteners, PAGE N197
    CRL93G Sealants and Fasteners, PAGE SF036
    Thickness:1/4" (6 mm)
    Width:1" (25.4 mm)
    Length:4" (102 mm)
    Ship Via:Can Ship UPS
    Shipping Weight:2 oz (45g)
    Case Qty:1000

    NOTE: May discolor clear and light colored silicones. Packed in quantities of 100 and 1,000.

    Technical Information:
  • Polymer: Neoprene
  • Temperature Range: -30 to +200°F (-34 to +93°C)
  • Hardness, Shore A: 80±5
  • Tensile, PSI: 750
  • Elongation, %: 250

    We can custom cut blocks, rolls and special lengths to your exact specifications, and they can even be made with a different durometer of rubber. Every order is made to your specifications. Click here to request a quote.


  • Most shipping weights are approximate and have not been verified. If the exact weight is needed in order to determine shipping costs, and shipping costs are required in order for you to complete your order, please request this prior to submitting your order by contacting CRL Customer Service. Product images shown are of the actual product or a close representation. ColorsColours can vary depending on your computer's video card and on how your monitor's colorcolour is adjusted.