CrackFlex — Two-component flexible injection resin

CrackFlex

System: PU 2K
A:B mixing ratio by volume: 1:1
Viscosity at +20°C: ~140 mPa·s
Working time at +20°C: 40 min
Reaction with 5% water at +23°C: 90–450 s

Description
Additional information

Description

RESINBAU · INJECTION SYSTEMS

CrackFlex

A low-viscosity two-component polyurethane resin for durable, flexible crack filling. Components A and B cure through a chemical reaction, independently of moisture. Suitable for dry and damp cracks without active pressurised water ingress.

Typical applications

Flexible sealing of cracks in concrete and reinforced concrete
Injection of cracked brick and stone masonry
Filling voids and honeycombing; injection hose systems

Technical data

System	PU 2K
A:B mixing ratio by volume	1:1
Viscosity at +20°C	~140 mPa·s
Working time at +20°C	40 min
Reaction with 5% water at +23°C	90–450 s

Source: ResinBau 2026 catalogue. Values apply to the stated test conditions. Select the injection method and mixing procedure according to the current product technical data sheet.

Technical data sheet (EN) ↗