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Floor Hardeners

We manufacture Metallic Floor Hardeners [DURONITE(S) & (R)] as well as Non-Metallic Floor Hardeners [DURONITE-QZ]. These improve the wear and abrasion resistance of the slabs and help in increasing the life of industrial floors and slabs on ground. When used along with our polypropylene fibres (for improving impact resistance), an excellent quality Impact and Abrasion Resistant flooring is achieved. With proper mix design and slab design given by the consulting engineers, Crack Control Steel (Welded Wire Mesh) can be eliminated from floor slabs.

Metallic Floor Hardener


Metallic Floor Hardener
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Approx. Rs 25 / KilogramGet Latest Price

Product Details:
Minimum Order Quantity100 Kilogram
Packaging TypeBags
BrandDolphin Floats / Kalyan
Pack Size25 kg
ApplicationIndustrial Use, Slabs

Metallic Floor Hardener (DURONITE) is ideal cost effective wear resistant top coat for heavy duty industrial floors / slabs. This is well graded, rust resistant ferrous aggregate available in two grades: DURONITE(R) & DURONITE(S). Typical areas of application: Engineering workshops / foundries Railway platforms / locomotive sheds Utilities areas e.g. compressor, boiler & DG rooms Machine tool industries Garages Loading bays Subways Warehouses incl. agricultural applications Power stations Car parks Usage: Special grade: 3-7 kg/m 2 Regular grade: 4-8 kg/m 2 These should not be used in floors that are exposed to strong inorganic acids, their salts and liquid spillages. Application on freshly laid concrete floors: Broadcast DURONITE on fresh concrete slabs while the concrete is green but sufficiently set to take applicator weights (ideally able to limit foot impression to 3 mm depth). This should be done immediately after bleed water has evaporated. Spray 50% of total quantity & hand trowel. Spray the balance 50% at 90 Deg to first spray & hand trowel. Apply power float when surface sheen starts to disappear. This helps close pores & capillaries. Cure using wet burlap / gunny bags. Avoid any traffic till the concrete has fully set & achieved design strength. Application as granolithic topping on existing floors: In this case a top screed of 12-50 mm is required on existing floor. Typical mix design is DURONITE 50kg : Cement 200kg : Grit (3-6 mm) 600kg. Super-plasticisers to be used. W:C ratio to be 0.38-0.42. However this needs to be confirmed by structural designers. Use of PP fibres (STRONGPLAST / NOKRACK) @ 125 gm / 50 kg cement would give additional crack & impact resistance.
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Multifilament Straight Fibres


Multifilament Straight Fibres
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Approx. Rs 300 / KilogramGet Latest Price

Product Details:
Minimum Order Quantity10 Kilogram
ColorPure White
UsagePlasters, Guniting, Precast Articles, Ready Mix Plaster Mortars, Etc.
Size/LengthVarious available from 3 to 24 mm in multiples of 3 mm
Tenacity6.5 GPD
Acid ResistanceHigh


Multifilament Straight Fibres (STRONGPLAST) is chemically surface treated 100% Virgin high tenacity polypropylene straight fibre based cement, mortar (plaster) and concrete additive and is available in graded lengths. It provides 3-D micro-reinforcement to plasters as well as concretes. These are available in multiples of 3 mm, 5 mm and 6 mm. This product is used @ 0.9 kg /m3 of plaster or concrete (minimum). STRONGPLAST complies with ASTM C 1116 and ACI committee report 544-1R.


The key actions of STRONGPLAST are as follows:

  • Provides inherence micro-reinforcement against shrinkage and intrinsic cracking.
  • Reduces rebound losses in plasters to 60-70%.
  • Reduces bleeding and dust formation in concrete.
  • Improves impact resistance 3-4 times.
  • Improves abrasion resistance by 30-40%.
  • Gives residual strength to concrete thereby helping reduce sudden failures. This is a desirable characteristic of concrete in areas prone to earthquakes.
  • Reduces permeability and thus protects interior paint in plasters.
  • Reduction in permeability also helps protect reinforcement steel in concrete applications.
  • Makes the concrete more durable.
  • Makes hardened concrete more tough.
  • Improves speed and finishing of plasters.

Areas of application:

  • Internal and external plasters.
  • Industrial flooring.
  • Warehouse flooring.
  • Concrete Roads.
  • RCC Beams, Columns & Slabs.
  • Bridge decks.
  • Driveways.
  • Overlays / toppings.
  • Concrete tanks.
  • Precast elements.
  • Shotcrete / guniting.
  • Basement waterproofing.
  • All types of plasters, precast elements and concretes, where toughness is required along with elimination of shrinkage cracks, reduction in permeability (improved water resistance) and various other parameters mentioned above.




  • Length : Multiples of 3/5/6 mm.
  • Construction : Straight.
  • Melting Point : 165 Deg C.
  • Absorption : Nil.
  • Acid Resistance : High.
  • Alkali Resistance : Completely resistant.
  • Salt Resistance : High.
  • Thermal Conductivity : Low.
  • Electrical Conductivity : Low.
  • Tenacity : 6.5 GPD.
  • Elongation : 19%.


Important information for our buyers:


  • Dosage for plasters : 100-125 g / 50 kg cement bag as recommended by designer.
  • Dosage for concrete : Minimum 0.9 kg / m3 of concrete i.e. @125 g /50 kg bag of cement.
  • Water Cement Ratio : STRONGPLAST is a physical micro-reinforcement and does not react chemically hence additional water is not required.
  • Mixing process : Mix directly in the concrete mixer @ 125 g /50 kg bag of cement or 0.9 kg/m3.
  • For plastering applications dry mix with sand cement mortar before adding water.
  • Note : Fibres should not be used for replacement of structural or load bearing reinforcement.
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Alok Telang (Manager)
Dolphin Floats Pvt Ltd, India
Pune - 411026, Maharashtra, India
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