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    1. Products
      • Product Name:OLV668 Super Fast Curing Acetoxy Silicone Sealant
      • Product ID:OLV668
      • Specification:
      • Two-dimensional code:
      Product Details


      Description:

      OLV668 Big Glass Silicone Glazing Sealant is one-component, acetoxy cure, high quality silicone sealant designed for big glass and other general purpose glazing and waterproofing application. It has high tensile strength and good elasticity, excellent weatherability, stability,waterproof and good adhesion to most construction materials without a primer. It has good features as follow: a. easily use: can extrude in any time;b. acetic cure: To float glass, anodized aluminum material needn't base coating, has a strong felt power ;c. high modulus ,as cured, it can bear joint movement capability of ±20%.


      Main purposes:

      1.  Big panel glass seal;

      2.  Skylights, canopies and general glazing;

      3.  Aquarium and general decorative usages;

      4.  Many other industry applications.

      Characteristics:

      1.  It is RTV-1, acetoxy, curing at room temperature, high intensity, medium modulus, fast curing, high intensity and good elasticity, optimum adhesion to glass;

      2.  Excellent weathering resistance and durability;

      3.  Other building construction applications.


      Application:

      1.  Clean with solvents such as toluene or acetone to keep the substrate surfaces completely clean and dry;

      2.  For better appearance cover outside of joint areas with masking taps before application;

      3.  Cut nozzle to desired size and extrudes sealant to joint areas;

      4.  Tool immediately after sealant application and remove masking tape before sealant skins.

      Limitations:

      1.  Unsuitable for curtain wall structural adhesive; 

      2.  Unsuitable for the airproof location, because it is required to absorb moisture in air to cure for the sealant; 

      3.  Unsuitable for the frosty or moist surface; 

      4.  Unsuitable for the continually soggy place;

      5.  Can’t be used if the temperature is below 4°C or above 50°C on the surface of the material.


      Shelf life: 12 months if keep sealing, and stored below 270C in cool, dry place after the date of production.

      Volume: 280ml 

      Technology data:

      The following data are only for reference purpose, not intended for use in preparing specification.

      OLV 668  Acetic Big Glass Silicone Sealant

      Performance

      Standard

      Measured Value

      Testing Method

      Test at 50±5% RH and temperature 23±20C:

      Density (g/cm3)

      ±0.1

      0.975

      GB/T 13477

      Tack-Free Time (min)

      ≤180

      6

      GB/T 13477

      Extrusion g/5S

      /

      13

      GB/T 13477

      Tensile Modulus (Mpa)

      230C

      ≤0.4

      0.3

      GB/T 13477

      –200C

      or ≤0.6

      0.45

      105  weight loss, 24hr %

      /

      27

      GB/T 13477

      Slumpability (mm) vertical

      ≤3

      0

      GB/T 13477

      Slumpability (mm) horizontal

      not change shape

      not change shape

      GB/T 13477

      Curing Speed (mm/d)

      2

      4

      /

      As Cured -After 21 days at 50±5% RH and temperature 23±20C:

      Hardness (Shore A)

      20~60

      23

      GB/T 531

      Tensile Strength under Standard Conditions (Mpa)

      /

      0.45

      GB/T 13477

      Elongation of Rupture (%)

      /

      300

      GB/T 13477

      Movement Capability (%)

      12.5

      20

      GB/T 13477











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