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T 37 B component for condensation silicone for processing PU and Epoxy

  • T 37 B component for condensation silicone for processing PU and Epoxy

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  • Article code: S11636

✔ 3-4% dosage
✔ dry, stretchable result
✔ Can be used neat or mixed
✔ Low shrinkage (< 0.3%)
✔ Better resistance to PU and Epoxy
✔ Mixing ratio (Weight) 100:5
✔ Long processing time

€ 5,55
€ 4,59 Excl. tax

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Product description

T 37 B component for condensation silicone for processing PU and Epoxy

This hardener works on all condensation silicones. This T37 hardener from Wacker makes the silicone more resistant to polyurethane and epoxy.

This B component may also be mixed with other condensation B components to achieve a speed of your choice with the properties of the other B components. Common mixtures are:

10% T47 with 90% T37, so for 100 grams of A there is 3.6 grams of T37 with 0.4 grams of T47

Processing

You can easily mix the condensation silicone by hand or machine. Mix the A and B components carefully and in the stated ratio.

T37 mixture = 3-4%, so for 100 grams of A component you use 3 to 4 grams of Wacker T37 hardener (B component).

You can use 0.5% less or more hardener. If you use less hardener, curing takes longer and air bubbles have more time to escape. Be careful not to use too little hardener, as the silicone may no longer harden (properly). With more hardener, curing will proceed faster, meaning the mold will be ready sooner. The disadvantage is that the mold will also age sooner and will shrink more.

Process the mixture within the pot life (processing time) and never make more than you can process within the pot life. Wait until the mold has completely hardened before removing the mold.

Please note: Pot life (processing time) and demoulding time are highly dependent on the mixing ratio and humidity! When adding more silicone B (harder) or at higher humidity, the pot life and demoulding time become shorter!

Iron, spread or spatula

If you want to spread/spread/iron the silicone on something, you can add Thixo C (0.6%-2%) (usually 1%). Thixo C is a thickener and makes it possible to spread the silicone. You should take into account that in this case the mold must be provided with a support cap. This support cap can consist of plaster cast, an epoxy support cap, or acrylic resin with thickener and glass fabric /

Shelf life
Provided the silicone is stored in closed packaging, cool and frost-free, the shelf life is at least 1 year.

Safety requirements
Use splash goggles, suitable liquid-tight gloves, an apron and work in a well-ventilated area. See Safety Data Sheet for more information

Further important safety information

H-Code hazard statements

H373 May cause damage to organs through prolonged or repeated exposure.

H413 May cause long lasting harmful effects to aquatic life.

 

P-Code precautions

P260 Do not breathe dust/fume/gas/mist/vapour/spray.

P273 Avoid release to the environment.

P314 Seek medical advice/care if you feel unwell.

P501 Dispose of contents/container to waste disposal.

 

Documentation

Product information sheet Silicone Condensation 20

Product information sheet Wacker T hardeners English

EN - Safety Sheet Wacker_Catalyst_T_37.pdf

 

 

 

Specifications

Specifications for: T 37 B component for condensation silicone for processing PU and Epoxy

  • Shore (A) 23~26
  • Color A Comp. White
  • Color B Comp. Brown Yellow
  • end Color Beige
  • cured density 1,08 g/cm3
  • View all specifications
  • viscosity mixture 18.000 ± 2.000 mPa s
  • Mixing ratio A/ B 100:3-4
  • Working Time >120 minutes
  • Curing time 48 hours
  • tensile strength 40 Kg/cm2
  • extensibility 450%
  • tear Strength 28 Kg/cm
  • Linear shrinkage<0,3%
  • Curing method Alkoxy/ Alcohol
  • Volume resistivity Not measured
  • Permittivity Not measured
  • Heat capacity [Kj/Kg Kelvin] NA
  • Heat conductivity [W/mK] NA
  • Product category Condensation Silicone
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    T37 B component for condensation silicone

    € 5,55 € 4,59 Excl. tax

    ✔ 3-4% dosage
    ✔ dry, stretchable result
    ✔ Can be used neat or mixed
    ✔ Low shrinkage (< 0.3%)
    ✔ Better resistance to PU and Epoxy
    ✔ Mixing ratio (Weight) 100:5
    ✔ Long processing time

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