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CRL Clear 33S Silicone SealantC.R. LAURENCE CRL Clear 33S Silicone Sealant

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CRL Clear 33S Silicone Sealant

SKU:  2220744

Mfg Part:  33SC

Weight:  1 lbs

Color:  Clear


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CRL Clear 33S Silicone Sealant CRL Clear 33S Silicone Sealant

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This is our most popular sealant! CRL 33S Silicone is a high quality sealant that delivers the performance you demand at a competitive price. It is a one component, room temperature curing, acetic cure, 100% silicone elastomer that does not require the addition of activators, stabilizers, or catalysts to achieve optimum performance.
  • Our Most Popular Sealant
  • Plastic Cartridges with Screw-On Nozzles
  • Available in Eight Colors
  • 24 Month Shelf Life
  • 10 Year Limited Warranty
  • Basic Uses - CRL 33S Silicone is especially designed for joining and sealing most non-porous building materials including a variety of structural materials: Glass, aluminum, metal alloys, stainless steel, wood, and plastics. It has a wide operating temperature range of -80ø to 400øF (-62ø to 204øC), and can be applied at outdoor temperatures as low as -35ø to 140øF (-37ø to 60øC). 33S exhibits strong physical properties: 350 psi Tensile Strength; 120 psi Lap Shear at 1/8" (3 mm) thickness and Tear Strength of 25 ppi. It will seal curtainwall joints, steel and aluminum windows, and skylights. Indoor uses include bathtubs, showers, and sanitary installations (Mildew Resistant Clear, White, Translucent White, and Tan contain a fungicide for cured beads that are mildew resistant).

    Limitations - It is not recommended for structural glazing or insulating glass glazing, concrete and stone expansion joints, horizontal decks, patios, driveway or terrace joints where abrasion is possible. Not recommended for use on concrete, marble, limestone, lead coated surfaces, submerged joints (swimming pools and aquariums), plazas, decks, pavements, etc. Not suitable for painting. Check cartridge label and Specification Data Sheet for additional limitations.

    Comparable Sealants - Dow Corningr: 999-A; 786; 732; 700; Glazing Silicone; General Purpose; Commercial Grade 100%; Tub, Tile and Ceramic, HVAC/R.Dap: 100% Silicone.GEr: 1200 Construction, 1000 Contractors, 1700 Sanitary. Tremcor: Proglaze, Tremsil 200, TremPro 644. OSI: HM-270. Pecora: 860, 863. Sika: SikaSilr GP. Sonneborn: OmniPlus.

    Technical Data - Meets or Exceeds Federal Specifications:

  • TT-S-001543A (COM-NBS) Class A, for Silicone Building Sealants
  • TT-S-00230C (COM-NBS) Class A, for One-Component Building Sealants
  • ASTM C-920 for Elastomer Joint Sealants, Type S, Grade NS, Class 25, Use NT, G, A
  • CAN/CGSB 19.13-M87. CRL 33S Meets the Requirements of FDA Regulation Number 21 CFR 177.2600 for Use in Food-Related Applications, Such as Walk-in Freezers and Refrigerated Trucks. CRL 33S is Certified by NSF to Standard 51 - Plastic Materials and Components Used in Food Equipment. CRL 33S is a "UL Recognized Component". Meets California Air Resources Board 2003 Requirements for Volatile Organic Compound (VOC) Content. Qualifies for LEEDr (Leadership in Energy and Environmental Design) Green Building Rating System Credit.
    Catalog Number: 33SC
    Also Available in These Catalogs:
    CRL53R Glass & Glazing Catalog, PAGE 806G
    CRL03 Sealants, Adhesives, and Fasteners Catalog, PAGE N108
    CRL83 Master Window and Door Catalog, PAGE W687
    CRL43 43AGR Master Automotive Catalog, PAGE A131
    Color: Clear
    Contents: 10.3 fl. oz. (305 ml)
    Shelf Life: 24 Months
    Ship Via: Can Ship UPS
    Shipping Weight: 1 lb (454g)
  • Official Name: C.R. LAURENCE CO., INC.
    Description: C.R. Laurence (CRL) is a leading supplier to the glazing, architectural, construction, industrial, and automotive industries, supplying railing, windscreen, standoffs, and other supplies to major industries and manufacturers. C.R. Laurence operates a 270,000 sq. ft. ISO 9001 Certified manufacturing facility in Southern California, and distributes over 50,000 different products throughout the United States, Canada, and all other countries through a network of distribution facilities which are ISO9001 certified.
    Support URL:
    Support Phone: 800-421-6144
    Manufacturer's Website:
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    Product Variations
    CRL Mildew Resistant Clear 33S Silicone Sealant Clear CRL Mildew Resistant Clear 33S Silicone Sealant $6.48
    CRL Tan 33S Silicone Sealant Tan CRL Tan 33S Silicone Sealant $7.20
    CRL Translucent White 33S Silicone Sealant Translucent White CRL Translucent White 33S Silicone Sealant $7.20
    CRL White 33S Silicone Sealant White CRL White 33S Silicone Sealant $6.48
    CRL Aluminum 33S Silicone Sealant Aluminum CRL Aluminum 33S Silicone Sealant $6.48
    CRL Black 33S Silicone Sealant Black CRL Black 33S Silicone Sealant $6.48
    CRL Bronze 33S Silicone Sealant Bronze CRL Bronze 33S Silicone Sealant $6.48

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