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Sika Injection-304, Elastic Polyacrylic Injection Resin for Permanent Sealing, Interior/exterior, White

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SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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Polyacrylic elastic injection resin for permanent watertight sealing

Sika® Injection-304 is a very low viscous, elastic and very quick-gelling polyacrylic injection resin with a gelling time adjustable within a range. The material reacts to form a waterproof, elastic and solid gel with good adhesion to both dry and wet substrates.

  • Permanently elastic
  • Capable of reversibly absorbing (swelling) and releasing (shrinking) moisture
  • Adjustable gelling times at various temperature ranges
  • Very low viscosity compared to water
  • Once cured the Product is insoluble in water and hydrocarbons and resistant to alkalis
  • Resistant to alternating freeze and thaw exposure
  • Injected with a two component pump
Usage
The Product is designed for:
  • Sealing of all types of leaking building components in damp or water saturated ground
  • Curtain injection
  • Consolidation of non-cohesive soils with low permeability
  Please note:
  • The Product must only be used in below ground structures
Advantages
  • Permanently elastic
  • Capable of reversibly absorbing (swelling) and releasing (shrinking) moisture
  • Adjustable gelling times at various temperature ranges
  • Very low viscosity compared to water
  • Once cured the Product is insoluble in water and hydrocarbons and resistant to alkalis
  • Resistant to alternating freeze and thaw exposure
  • Injected with a two component pump
Packaging

Part A1 (Resin)

21.5 kg

Part A2 (Accelerator)

1.05 kg

Part B ( Hardener)

1.00 kg

Refer to the current price list for available packaging variations.

Colour

Part A1 (Resin)

Amber - liquid

Part A2 (Accelerator)

Colourless - liquid

Part B (Hardener)

White powder

Application Information
Mixing Ratio

A = A1 : A2

21.5 : 1.05 parts by weight

B solution = water : B

20 : 1 parts by weight (Standard mixture)

A : B solution

1 : 1 parts by volume

Ambient Air Temperature

Maximum

+40 °C

Minimum

+5 °C

Substrate Temperature

Maximum

+40 °C

Minimum

+5 °C

 
Reaction time

Reference values depend on the concentration of Part B at various application temperatures.

B : Water = 0,5 % by weight

Material Temperature

Increase in viscosity

Reaction time

+10 °C

~220 s

~315 s

+20 °C

~103 s

~180 s

B : Water = 1,0 % by weight

Material Temperature

Increase in viscosity

Reaction time

+10 °C

~150 s

~225 s

+20 °C

~72 s

~150 s

B : Water = 2,0 % by weight

Material Temperature

Increase in viscosity

Reaction time

+10 °C

~85 s

~150 s

+20 °C

~45 s

~90 s

B : Water = 3,0 % by weight

Material Temperature

Increase in viscosity

Reaction time

+10 °C

~56 s

~110 s

+20 °C

~37 s

~68 s

B : Water = 5,0 % by weight (standard mixture)

Material Temperature

Increase in viscosity

Reaction time

+10 °C

~50 s

~80 s

+20 °C

~28 s

~40 s

The data above are laboratory parameters and may deviate depending on the situation and conditions on site.