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Single Component Polyurethane Foam Injection Resins
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Low viscosity single component MDI-based water reactive polyurethane injection Foam resin. It reacts with water forming a rigid hydrophobic seal. Water sealing of cracks and big gaps in walls, floors, concrete constructions, which are not liable to settings and movements. Is a fast reacting rigid PU foam. It forms a hard sealing with high strength in the crack or joint. Is a fast reacting rigid PU foam, used as a water stop for the sealing of leakages or to stop active water leaks with a high flow and/or high hydrostatic pressure. Penetrates deep in fine cracks. Free expansion: min. 1700 % – 2200 %. Does not shrink after curing. ?Excellent adhesion to mineral construction materials (such as concrete, cement, brick), metal and certain plastics, ?The reaction speed can be controlled by varying the amount of catalyst.
Density: resin: 1,10 – 1,20 kg/l catalyst: ~ 0,947 kg/l
Viscosity : 25°C Resin : 111 mPas Catalyst : 8 mPas
Reaction Time @ 25°C – 12 Seconds ( with 9 % Catalyst)
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Very low viscosity single component MDI-based water reactive Polyurethane injection resin. It reacts with water forming a semi-flexible hydrophobic seal. Water sealing of cracks and big gaps in walls, floors, concrete constructions, which are slightly liable to settings and movements. Is a fast reacting semi flexible PU foam, used as a water stop for the sealing of leakages and water penetration. Due to Super Low Viscosity it Penetrates deep in fine cracks. Free expansion: 1700 % – 2200 %. Excellent adhesion to mineral construction materials (such as concrete, cement, brick) metal and certain plastics. The reaction speed can be controlled by varying the amount of catalyst.
Density : Resin: 1,10 – 1,20 kg/l Catalyst: ~ 0,947 kg/l .
Viscosity : 25°C Resin : 75 mPas Catalyst : 8 mPas
Reaction Time @ 25°C – 10 Seconds ( with 9 % catalyst)
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Low viscosity one component MDI-based polyurethane injection resin,that swells in contact with water to a flexible foam for Water sealing of cracks and joints in walls, floors, concrete constructions, sewers. Penetrates deep in cracks and joints , Reacts with water and forms flexible closed cells that allow the movement of the crack or joint,Chemically resistant against water, weak acids, alkali and micro- organism, Excellent adhesion to mineral construction materials (such as concrete, cement, brick, mortar), metal and certain plastics, The reaction speed is controlled by varying the amount of catalyst
Density: resin: 1,08 kg/l catalyst: 0,947 kg/l
Viscosity (25°C): Resin: 105 mPas , Catalyst: 8 mPas
Reaction time with water : @ 25° C – 12 Second ( with 9% Catalyst)
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Low viscosity single component MDI-based water reactive polyurethane injection Foam resin. It reacts with water forming a rigid hydrophobic seal. Water sealing of cracks and big gaps in walls, floors, concrete constructions, which are not liable to settings and movements. Is a fast reacting rigid PU foam. It forms a hard sealing with high strength in the crack or joint. Is a fast reacting rigid PU foam, used as a water stop for the sealing of leakages or to stop active water leaks with a high flow and/or high hydrostatic pressure. Penetrates deep in fine cracks. Free expansion: min. 1700 % – 2200 %. Does not shrink after curing. ?Excellent adhesion to mineral construction materials (such as concrete, cement, brick), metal and certain plastics, ?The reaction speed can be controlled by varying the amount of catalyst.
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Two Component Polyurethane Foam Injection Resins
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Colossus® PUF 2K SF 501 RF is a high-grade, low viscosity PU injection foam resin . Which expands its volume to cure to a very dense, rigid-flexible foam with a very fine cellular structure upon contact with water. Under atmospheric pressure and given free expansion, Colossus® PUF 2K RF 501 RF expands its volume up to 40 times. Thanks to its low viscosity, its water-reactive components and high capillary activity in damp or water-bearing cracks > 0.15mm (150 Micron) in width, the material is ideal for filling cracks and cavities at a constant mixing stability.
Upon contact with water, foam formation begins after approx. 15 seconds (20° C). Curing time amounts to approx. 1 minute with good edge adhesion properties
Viscosity (23° C) ~ A Comp.- 130 mPa·s ~ B Comp. – 100 mPa·s
Mixing ratio 1 : 1 parts by volume
Expansion in volume Up to 40 times without counter pressure
Expansion begin (20° C) ~ 15 s after water contact
Pot life ~ 6 h; remove skin forming upon contact with air humidity
Application Injection with a 1-comp. pump , Storage life 3 years minimum
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Colossus® PUF 2K Flex 571 Flex is a high-grade, low viscosity PU injection foam resin. Which expands its volume to cure to a surface dense , elastic foam characterize by it’s open pore fine cellular structure upon contact with water . Under atmospheric pressure and given free expansion, Colossus® PUF 2K 571 Flex expands its volume up to 15 times. Thanks to its low viscosity, its water-reactive components and high capillary activity in damp or water-bearing cracks > 0.2mm (200 Micron) in width.
Viscosity (23° C) ~ A Comp.- 200 mPa·s ~ B Comp. – 150 mPa·s
Mixing ratio 1 : 1 parts by volume
Expansion in volume Up to 15 times without counter pressure
Expansion begin (20° C) ~ 20 s after water contact
Pot life ~ 2 h; remove skin forming upon contact with air humidity
Application Injection with a 1-comp. pump Storage life 3 years minimum
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Colossus® PUF 2K SF 501 RF is a high-grade, low viscosity PU injection foam resin . Which expands its volume to cure to a very dense, rigid-flexible foam with a very fine cellular structure upon contact with water. Under atmospheric pressure and given free expansion, Colossus® PUF 2K RF 501 RF expands its volume up to 40 times. Thanks to its low viscosity, its water-reactive components and high capillary activity in damp or water-bearing cracks > 0.15mm (150 Micron) in width, the material is ideal for filling cracks and cavities at a constant mixing stability.
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Polyurethane Injection Resins
- Two component MDI-based polyurethane injection resin with very low viscosity.Colossus® 2K PU 1403 LV CC reacts in wet or dry cracks and joints. When Colossus® 2K PU 1403 LV CC comes in contact with water, the material will react and starts to foam. In absence of water, it will react into a flexible seal. Water sealing of cracks and joints in walls, floors, concrete constructions, sewers,… Can be used both for dry and wet cracks.
Viscosity (23° C) ~ A Comp.- 78 mPa·s ~ B Comp. – 76 mPa·s
Mixing ratio 1 : 1 parts by volume
Pot life ~ 1.5 h; (1 lit. @ 20° C)
Shore A Hardness ~ (after 5 days at 25 °C): 72
Application Injection with a 1-comp. pump,
Storage life 1 years minimum
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Colossus® PU 2K 521 SLV is a very low-viscosity PU injection resin of excellent flow and penetration which is suitable for dry, damp and wet masonry , Concrete . Colossus® PU 2K 521 SLV cures to form an elastic, chemical-resistant resin of constant volume. The cured resin is resistant to harmful salts, lyes and acids in concentrations usually found in building constructions.
Colossus® PU 2K 521 SLV is also water-repellent and waterproof in the form of a thin film or pore closure. In masonry affected by efflorescence, any salts within the injection level become inert.
Viscosity (23° C) ~ A Comp.- 45 mPa·s ~ B Comp. – 40 mPa·s
Mixing ratio 3 : 1 parts by volume Pot life ~ 2 h; (1 lit. @ 20° C)
Shore A Hardness ~ 40 ,
Application Injection with a 1-comp. pump,
Storage life 1 years minimum
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Colossus® PU 2K 522 R is a 2-component solvent-free injection resin based on Polyurethane .
Colossus® PU 2K 522 R is design for sealing , bonding and stabilizing building component , is also suitable for filling cavities and gravel nests and specially designed for structural crack repair.
- 2 Comp. – Injection resin based on polyurethane
- very tough and solid
- Fast curing
- Adjustable Reaction
- slight foam formation upon contact with water
- Total Solid .
Viscosity (23 °C): A-comp: 300 mPa.s , B-comp: 250 mPa.s
Mixing ratio (by volume): 1 : 1
Bending and Tensile strength ( N/mm²) : 85 Mpa (N/mm²) ( With in 7 Days)
Compression strength ( N/mm²) : 65 Mpa (N/mm²) ( With in 7 Days)
Density (23°C): A-comp: 1.0 g/cm³ B-comp: 1.2 g/cm³l
Pot life (1L/20°C): 25 minutes
Application temperature: >10°C
Viscosity (23 °C): A-comp: 300 mPa.s
B-comp: 250 mPa.s
- Two component MDI-based polyurethane injection resin with very low viscosity.Colossus® 2K PU 1403 LV CC reacts in wet or dry cracks and joints. When Colossus® 2K PU 1403 LV CC comes in contact with water, the material will react and starts to foam. In absence of water, it will react into a flexible seal. Water sealing of cracks and joints in walls, floors, concrete constructions, sewers,… Can be used both for dry and wet cracks.
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Acrylate Gel Injection Resins
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Colossus® Gel 2K Acryl 2501 is a high-grade, quick-gelling polyacrylic injection gel of excellent mechanical properties. It extremely low viscosity (water like) ensure high penetration depth in mineral structure . Colossus® Gel 2K Acryl 2501 reacts to form a waterproof, flexible but solid gel of good adhesion to dry and wet mineral surfaces. Colossus® Gel 2K Acryl 2501 is suitable as a post-construction, rear-side sealing for construction, expansion and canal joints covered with soil. Colossus® Gel 2K Acryl 2501 can also be used within porous structures (e.g. masonry) and for the installation of post-construction water stops.
Viscosity of mixture Approx. 2 m Pa.s
Mixing ratio A1 : A2 – 16 : 1 Water : B Component (parts by weight 1.3% solution)
A : B solution 1 : 1 parts by volume
Reaction time (20 °) Approx. 13 Minutes
Application With a 2-comp. pump
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Colossus® GEL 2K Acryl 2401 is a high-grade, quick-gelling polyacrylic injection gel of low viscosity and excellent sealing qualities. The material is characterized by its high expandability and strength and absorbs regular movements of the building structure easily . Colossus® 2K ACLGEL 2401 reacts to form a waterproof, flexible but solid gel of good adhesion to dry and wet mineral surfaces. In a moisture-vapor saturated atmosphere (slight moisture or moisture equilibrium in the brickwork) the material remains dimensionally stable. In the case of alternating dry and wet periods the gel shrinks and swells reversibly . Colossus® Gel 2K Acryl 2401 is suitable as a post-construction, rear-side sealing for construction, expansion and canal joints covered with soil. Colossus® 2K ACLGEL 2401 can also be used within porous structures (e.g. masonry) and for the installation of post-construction water stops.
Viscosity of mixture Approx. 7 m Pa.s
Mixing ratio A1 : A2 – 20 : 1 / Water : B Component (parts by weight 5% solution)
A : B solution 1 : 1 parts by volum
Reaction time (22 °) Approx. 35 seconds
Application With a 2-comp. pump
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Gel 2K Acryl 2509 ZR
Colossus® Gel 2K Acryl 2509 ZR is a tough and elastic four-component acrylate-based injection fluid in which the initiator = component B is not dissolved in water as is usually the case with acrylic injection products, but in a strengthening polymer blend. The use of this strengthening polymer blend leads to excellent physical properties of the gel masses. Colossus® Gel 2K Acryl 2509 ZR is an four-component acrylate injection resin pacifically developed for injecting structures in which waterproofing imposes strict requirements on the physical properties of the gel masses (fluctuating groundwater levels, settling of the concrete, expansion joints, etc.).
- Sealing injection of cracks, fissures and voids in concrete and masonry.
- Curtain injections (around tunnel segments, drainpipes, porous concrete structures,
- Colossus® Gel 2K Acryl 2509 ZR is especially suitable for treating leaks in tunnels. These leaks can be due to expansion joints and fissures or cracks in the concrete of floor plates, walls or tunnel roofs.
- Colossus® Gel 2K Acryl 2509 ZR has outstanding adhesion to mineral surfaces (concrete, brick) and has an expansion in contact with water that can amount to 290% of the original volume.
- Low viscosity allows deep penetration into fissures and cracks
- Good general chemical resistance
- Free from harmful solvents and non-flammable
Viscosity of mixture Approx. 2 m Pa.s
Mixing ratio A1 : A2 – 20 : 1
B : Strengthening Polymer (parts by weight 0.5% solution)
A : B solution 1 : 1 parts by volume
Reaction time (20 °) Approx. 25 Seconds
Application With a 2-comp. pump
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Colossus® Gel 2K Acryl 2501 is a high-grade, quick-gelling polyacrylic injection gel of excellent mechanical properties. It extremely low viscosity (water like) ensure high penetration depth in mineral structure . Colossus® Gel 2K Acryl 2501 reacts to form a waterproof, flexible but solid gel of good adhesion to dry and wet mineral surfaces. Colossus® Gel 2K Acryl 2501 is suitable as a post-construction, rear-side sealing for construction, expansion and canal joints covered with soil. Colossus® Gel 2K Acryl 2501 can also be used within porous structures (e.g. masonry) and for the installation of post-construction water stops.
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Epoxy Injection Resins
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Colossus® EP 4101 Flex is suitable for the closing, sealing and limited-flexibility filling of dry and slightly damp cracks (shrinkage, settlement, thrust and separation cracks).Colossus® EP 4101 Flex is designed for injection procedures via injection tubes to seal construction joints in concrete structures . Colossus® EP 4101 Flex cures to form a resin of constant volume with good edge adhesion properties on dry and slightly damp surfaces and even underwater. Colossus® EP 4101 Flex is very elastic and regains its form after exposure to stress.
Viscosity (23° C) ~ A Comp.- 380 mPa·s ~ B Comp. – 180 mPa·s
Mixing ratio 2 : 1 parts by volume
Pot life ~ 1 h; (1 lit. @ 20° C)
Application Injection with a 1-comp. pump,
Storage life 3 years minimum
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Colossus® EP 4115 SLV is an extremely low viscosity Epoxy impregnation resin characterized by its long pot life and excellent mechanical properties for stabilizing weakly bound material. Thanks to its excellent penetration Colossus® EP 4115 SLV is suitable for sealing and stabilizing porous construction material and building components
Pot life (1 lt + 23°C) : 40 min
Mixing rat : 3 : 1
Shore A hardness : approx 70
Compressive strength : 40 N/mm² ( After 7 days)
Flexural Tensile Strength : 3 N/mm² ( After 7 days)
Application temperature: : >10°C
Viscosity of mix (23 °C): approx 15 mPa.s
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Thanks to its Super low viscosity and water-reactivity the material has ideal spreading properties, a good wetting effect and ensures a solid anchorage on dry, damp, wet or oily crack edges of mineral nature. Open pores on the surfaces are the prerequisite for a good adhesion on such problematic cracks. Colossus® EP 4150 SLV is capable of binding up to 15 % of water without any emulsifying reaction or bubble formation and capable of forming a compound with oil components . Colossus® EP 4150 SLV is suitable for the closing, sealing and bridging of dry, damp and water-bearing cracks and cavities without hydrostatic pressure where structural strength is required. The material is suitable for concrete, brick or natural stone building constructions found in structural and civil engineering, bridge, tunnel and shaft constructions. Colossus® EP 4150 SLV is recommended for the closing, sealing and rigid bridging of oil-contaminated cracks. Colossus® EP 4150 SLV is also suitable for repairing bond deficiencies and filling cavities between blinding concrete and floor screed.Pre Stressed Segmented Structure
Mix Viscosity (23° C) ~ 90 mPa·s ,
Mixing ratio 3 : 1 parts by volume
Compressive strength Approx. 50 N/mm² ,
Pot life (1 lit. @ 20° C) : ~ 50 min., approx. 20 min. for wet or oily cracks
Application Injection with a 1-comp. pump, Storage life 3 years minimum ( for A Copm,)
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Colossus® EP 4190 LV is a 2-component solvent-free injection resin with very low viscosity for injection into cracked concrete, used for structural repair of cracks in concrete pillars, beams, wooden spans, anchoring threaded rods in concrete, cracks in masonry, … Very low viscosity ,Good penetration, even in hairline cracks ,Very good adhesion to concrete, wood, metal, … even in unfavourable conditions such as the combination of low temperatures and frost , High mechanical characteristics like high tensile strength , very high Compressive Strength ,Fast-hardening , Longer pot life than standard injection resin .
Viscosity (25 °C): A-comp: 125 mPa·s B-comp: 25 mPa·s Mix Viscosity ±100 mPa·s
Mixing ratio (weight): 10 kg A / 3 kg B
Tensile strength : 62 N/mm²
Compression strength : 106 N/mm2
Flexural strength : 99.5 N/mm2
Pot life (25°C): 80 min
Storage life:24 months
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Colossus® EP 4101 Flex is suitable for the closing, sealing and limited-flexibility filling of dry and slightly damp cracks (shrinkage, settlement, thrust and separation cracks).Colossus® EP 4101 Flex is designed for injection procedures via injection tubes to seal construction joints in concrete structures . Colossus® EP 4101 Flex cures to form a resin of constant volume with good edge adhesion properties on dry and slightly damp surfaces and even underwater. Colossus® EP 4101 Flex is very elastic and regains its form after exposure to stress.
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Epoxy Putties
EP 4225 UW
Colossus® EP 4225 UW is a non-drip filling compound with excellent adhesion qualities on dry and wet mineral surfaces, even on glass, tiles and ceramics. Colossus® EP 4225 UW cures to form a rigid filling compound of good chemical resistance. Colossus® EP 4225 UW can be applied and cures under water. Whirling water is to be avoided . Colossus® EP 4225 UW adheres to all dry and wet mineral surfaces, to metallic surfaces, to wood and glass .
Mixing ration 5:1 (parts by weight)
Application temperature > +5 °C (building component, material)
Application time between ~ 10 minutes at 20 °C and ~ 45 minutes at 8 °C
Cured after ~ 12 h
Adhesive tensile strength > 4 N/mm² (concrete breakage)
Application by trowel
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Injection Pumps & Accessories
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Type of fitting Colossus® Mechanical PackersLength Æ in mm Type S M6 
70 mm 13 / 16 / 17 Zerk fitting, M6 
115 mm 13 / 16 / 17 Zerk fitting, Type R fitting, M5, M6 
70 mm 8 / 10 / 13 / 16 / 17 Zerk fitting, M5, M6 
115 mm 10 / 13 / 16 / 17 Zerk 
150 mm 19 Zerk fitting, M7 M7 
150 mm 19 Button head fitting, Colossus® Hammer-In Packers (plastic) 
65 mm 6, conical Zerk fitting, M6 M6 
65 mm 10, conical Zerk fitting, Colossus® Surface Packers 
Aluminium 48 Zerk fitting, M8 Plastic 44 Zerk fitting, M6 Colossus® Plastic packers Zerk fitting 
HPP10 ( Ø10mm x 64mm) -
Colossus® 1 K – HP – 100 Hand Operated High Pressure Injection Pump
Colossus® 1 K- HP100 is suitable for the injection of synthetic resins (polyurethane and epoxy resins) up to an injection pressure of 100 bar. This single piston injection pump is made of non-ferrous metal. The piston packing is a special O-ring fitted in the cylinder. Set includes 5 ft. pressure hose and zerk coupler.
Flow 0.07 liter / stroke
Maximum Pressure – >1500- Affordable
- Lightweight
- Easy to Use
- Easy to Clean
Colossus® DL – 1K – Drill Operated High Pressure Injection Pump
High-pressure electric pump Colossus® 1 K – DL – 1 is the most economical solution for the injection of epoxy and polyurethane resins up to an injection pressure of 400 bar. This pump is characterized by its low weight and easy handling. It is driven by a standard electronic drill and is delivered as a complete unit, including a hopper, a gage, a high-pressure hose and a female zerk coupling.- Flow 0.5 Liter / Min.
- Maximum Pressure – 400 Bar
- Affordable
- Lightweight
- Easy to Use
- Easy to Clean
Colossus® CP – 10 – Electrical Operated High Pressure Injection Pump
Customized and modified by Colossus ®, this lightweight and powerful injection pump can be used for most of the Colossus ® polyurethane and epoxy injection line products with Viscosities between 10 and 600 cps.- Pressure Controlled
- Pressure Preadjust Slider
- Automatic Shut-Off
- Piston System
- Suction Tube
- Mounted on Stand
- Reliable, Easy to Use, Easy to Clean
- Connects to a Wide Range of Packers
- System : Displacement Pump
- Max. Pressure : 2800 psi
- Delivery : ~0.25gpm, ~1 l/min
- Weight :26lbs, 11.8kg
- Power :DC Motor, 120VAC, 60HZ, 15A
Colossus® CP – 19 – Electrical Operated High Pressure Injection Pump
Customized and modified by Colossus ®, this lightweight and powerful injection pump can be used for most of the Colossus ® polyurethane and epoxy injection line products with viscosities between 10 and 600 cps.- Pressure Controlled
- Pressure Preadjust knob
- Automatic Shut-Off
- Piston System – Mounted on Stand – Reliable, Easy to Use, Easy to Clean
- System : Displacement Pump
- Max. Pressure : 3000 psi (210 Bar)
- Delivery : ~0.50gpm, ~1.9 l/min
- Weight : 34lbs, 15.4kg
- Power : 0.5HP DC Motor, 120VAC, 60HZ, 15A
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Colossus® DL – 2K – Drill Operated Two Component High Pressure Injection Pump< High-pressure electric pump Colossus® 2 K – DL – 2 is the most economical solution for the injection of and two component polyurethane resins (mixing ratio 1:1) up to an injection pressure of 350 bar. This pump is characterized by its low weight and easy handling. It is driven by a standard electronic drill and is delivered as a complete unit, including a hoppers, a gage, a high-pressure hoses and a female zerk coupling. Flow 0.7 Liter / Min. Maximum Pressure > 350 Bar
- Mixxture ratio : 100:100
- Affordable
- Lightweight
- Easy to Use
- Easy to Clean
- Weight : 12kg
- Power voltage : AC220V
Colossus® PN – 2K F1 – Pneumatic Operated Two Component High Pressure Injection Pump
The working principle of the Colossus® PN – 2K F1 is based on two regenerative, air-operated piston pumps. A compressor with an air output of 200 – 400 l/min. is required for operating the pump. The individual components are introduced to the mixing head separately. The actual mixing process is implemented by means of a static mixer located in the mixing head. Check valves prevent the components from flowing back into the feed tubes and thus avoid all accidental reactions within the feed system.
- Compressed air-operated two component high-pressure pump
- Continuous delivery • 1:1 mixing ratio
- High metering accuracy • Separate flush pump
- Compact design
- Safe to operate
- Pump and mixer are made of stainless steel
- Delivery without counter-pressure (1:1 mixing ratio) -14 l/min
- Maximum operating pressure 200 bar
- Air consumption at 6 bar 200 – 400 l/min.
- Maximum air intake pressure 8 bar -
- Total weight approx. 47 kg
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