grouting chemical for concrete

DHP-2000 Rigid Foam Type

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  • Feature & Purpose
single Component Rigid Polyurethane Foam

Information

DHP-2000 Rigid Polyurethane Foam is a single component hydrophobic water cut-off grout and soil stabilization grout based on a MDI (methylene-dephenylisocyanate) polyurethane. grouting chemical for concrete Upon contact with water DHP-2000 reacts to a foam while expanding its volume up to 30 times. The cured material is semi flexible and of a constant volume. Since water is not a component of the foam structure, the cured material is essentially not effected by water or dryness. The reacted material does not shrink or swell.

Feature

  • Contraction rate after hardening is the lowest in this industry.
  • By using small amount of distinctive additive that is invented by our research team, hardened foam won’t get decomposed in water.
  • Since it forms high density Closed Cell Foam, nor water and moisture can penetrate into it.
  • It is very easy to remove hardened substances of flowed Foam Waterstop out of crack spot.
  • Since it has low viscosity, it is easy to inject.

Purpose

All concrete structure’s cracked leakage spot with no vibration for waterstop repair.

Use for the cracks water stop of concrete structures and waterstop treatment for joint areas, wet areas and areas of considerable
leaks, and can be used in the following areas.

  • Waterstops for leaking section of basement parking lot and underground concrete structure.
  • Waterstops for crack leakage section of structure caused by vibration.
  • Waterstops for leakage of concrete joint section.
  • Waterstops for leakage section where humidity and dryness is mixed up together.

Calculation

Property Data
ClassificationBase Value
Exterior AppearanceBrown Transparent Liquid
Mixing Rate1 Component Type
Viscosity350 ± 50
Specific Gravity1.14 ± 0.1
Tensile Strength(㎏/㎠)16.5
Elongation Percentage30% or Under
Packing Unit20kg / 10kg
Foaming Percentage(%)3000%
Reaction Data on a Different Temperature Conditions
Temperature Conditions5℃15℃25℃30℃
Foaming Starts(sec)50271915
Foaming Ends(sec)320245108185
Foaming Percentage2800330035003700
Viscosity900450275210
Respons to Mixing of Water
Mixture(Resin:Water)Foaming Starts(sec)Foaming Ends(sec)Foaming PercentageType of Foam
10 : 1192083500Rigid
10 : 3242233200Rigid
10 : 5292432800Rigid
10 : 10352632500Rigid

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