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    • Anti condensation sealing material - foam spray coating

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    Product overview

    This product is a solvent-free, low viscosity, room temperature curing two-component polyurethane foam. Extremely low water absorption, excellent resistance to cold and hot impacts, weather resistance, and the ability to cure in low-temperature environments.

    Scope of application

    This product can be used for dust-proof, fireproof, moisture-proof and condensation sealing at the bottom of various electrical cabinets and communication cabinets, as well as smoke, dust and insect prevention sealing of floor or wall components. Can be sprayed.

    Pre curing characteristics

    Component A (main agent)

    Component B (curing agent)

    Typical values

    Range

    Typical values

    Range

    Appearance

    Black liquid

     

    Brown liquid

     

    Chemical composition of base material

    Polyhydric alcohols

     

    Isocyanate

    Density (g/cm3, 25℃)

     1.22 

     1.22 ± 0.1

    1.22

    1.22 ± 0.05

    Viscosity (mPa.s, 25℃)

     1000  

     800 ±500

    220 

    200 ± 100

    Mixed characteristic

    Typical values

    Range

    Appearance

    Dark gray

     

    Mixed weight ratio

    A:B =100:100

     

    Initiation time (Sec)

      3

    		 2～10

    Drawing time (Sec)

     10

    10～20

    Non-stick time (Sec)

     30

    30～60

    Percentage of closed pores (%)

     ≥88

    90

    Oxygen index (%)

    ≥25

    27

    Water absorption (%)

    ≤6

    5

    Low temperature dimensional stability (%)

     ≤1

    1

    High temperature dimensional stability (%)

    ≤1.2

    1.2

    Instructions for use

    1. Humidity: the object to be poured should be dry and damp.
    2. The storage time of this product is too long, it will be stratified, please stir well before use.
    3. Preparation: Prepare gloves and chemical protective suits for the accessories of the objects to be poured.

    • Storage, transportation and precautions:

    1. Store at room temperature (25 ± 5 ℃), constant humidity (45~85% RH), in a dark and sealed place away from light.
    2. Please use the corresponding product model and weigh accurately.
    3. This type of product belongs to non hazardous materials and is stored and transported as a general chemical. The storage period of the product can be found in the packaging drum.
    4. This result is obtained from laboratory standard spline testing, and the customer needs to verify its adaptability in application.
    5. When testing the flame retardant performance, the rubber strip should be completely cured. Incomplete curing of the rubber strip will affect the flame retardant performance test results.
    6. During use, prevent splashing and accidental contact. Rinse with plenty of water for 15 minutes. For more serious cases, please contact medical attention.

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