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Sika® Injection-107

1-component, polyurethane-based, slightly flexible, foaming injection resin for the permanent watertight sealing of cracks

Sika® Injection-107 is a ready-to-use 1-component, polyurethane based, slightly flexible, foaming injection resin for the permanent watertight sealing of cracks, voids and interstices in concrete. Suitable for use in hot and tropical climatic conditions.

  • Permanently elastic, can absorb limited movements
  • Durable sealing of water-bearing cracks and voids of > 0.3mm
  • Moisture-reactive, one-component polyurethane resin - water contact is required for the foaming reaction and curing to a permanently flexible sealing compound
Sika® Injection-107
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Usage

Sika® Injection-107 is used for permanent watertight sealing with some flexibility to absorb limited movement, in water-bearing cracks and joints in concrete, brickwork and natural stone structures.  

Advantages

  • Permanently elastic, can absorb limited movements
  • Durable sealing of water-bearing cracks and voids of > 0.3mm
  • Moisture-reactive, one-component polyurethane resin - water contact is required for the foaming reaction and curing to a permanently flexible sealing compound

Packaging

Available in metal containers of:

5.3 kg

10.6 kg

Colour

Yellowish

Product Details

Sustainability / Certifications / Approvals

APPROVALS / CERTIFICATES

  • Concrete injection for ductile filling of cracks, voids and interstices (D) according to EN 1504-5:2004, Declaration of Performance 70712948, certified by notified factory production control certification body 0761 and provided with CE marking.
Product Information

Composition

Moisture and water reactive one - component, foaming polyurethane resin

Shelf life

12 months shelf life from date of production if stored properly in undamaged, unopened, original sealed packaging.

Storage conditions

Dry storage at temperatures from +5 °C up to +35 °C. Protect from direct sunlight and moisture.

Density

1.1 kg/l (at 20 °C)

(ISO 2811)

Viscosity

~250 mPa·s (at 23 °C)

(ISO 3219)

 
Technical Information

Expansion

Expansion starts21 s
Expansion ends130 s
Free foaming factor~22 - fold

Reaction time with 10 % water

Tensile Adhesion Strength

0.6 N/mm2

(EN 12618-1)

Application

Application Information

Mixing Ratio

1-Component

Ambient Air Temperature

+8 °C min. / +40 °C max.

Substrate Temperature

+8 °C min. / +40 °C max.

Pot Life

~1 h at 23 °C / 50 % r.h.
Application steps

SUBSTRATE PREPARATION

  • Surfaces of cracks, joints and voids need to be clean, free of loose and friable particles, with no dust, oil, grease or any other bond-breaking substances
  • Any dirt must be blown out with compressed air
  • Pre-wet access areas to make cleaning easier

CLEANING OF EQUIPMENT

Clean all tools and application equipment as soon as possible and in accordance the Product Data Sheet for the Sika® Injection Cleaning System.

Alternatively Sika® Colma Cleaner can be used to remove any polyurethane residue immediately after use. Do not leave Sika® Colma Cleaner in the injection pump Hardened / cured material can only be removed mechanically.

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