Product Data Sheet
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Sikafloor®-91

Heavy Duty Epoxy Resin Floor Screed

A three-component solvent-free mortar screed based on epoxy resins.

  • Easy and fast to apply.
  • Solvent-free, no fire risk.
  • Excellent adhesion to substrate.
  • Non-slip, non-skid finish.
  • Excellent abrasion resistance.
  • High mechanical strength.
  • Permeable to water vapour.
Sikafloor®-91
Product Data Sheet
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Usage

As a non-slip, abrasion-resistant epoxy resin floor coating of 5-8 mm thickness:
  • Industrial flooring subject to moderate or heavy loading
  • Workshop and factory floors
  • Machine shops and warehouses
  • Depots and loading ramps
  • Hangars
  • Stairs
 

Advantages

  • Easy and fast to apply.
  • Solvent-free, no fire risk.
  • Excellent adhesion to substrate.
  • Non-slip, non-skid finish.
  • Excellent abrasion resistance.
  • High mechanical strength.
  • Permeable to water vapour.

Packaging

Comp. (A+B): 30 litre kit, and bulk Part A 200 kg, bulk Part B 200 kg.
Comp. C (Sika® Aggregatre-506): 20 kg bag.

Colour

Amber with neutral coloured aggregates

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

Sikafloor -91 has been tested as per SCAQMD Rule 304-91.
Result: VOC Content <100 g/L
Product Information

Chemical Base

Epoxy

Shelf Life

12 months from date of production if stored properly in original unopened packing. Note: Component (A), Sikafloor®-91 pigmented, must be thoroughly stirred with a mechanical stirrer prior to each batching. Segregation may occur after 10 hours.

Storage Conditions

Store in dry condition at temperatures between +5°C and +30°C

Density

2.1 - 2.2 kg/litre for finished screed
Technical Information

Compressive Strength

60 - 70 N/mm2

Tensile Strength

6 - 8 N/mm2

Tensile Adhesion Strength

> 1.5 N/mm2 (Concrete Failure)

Application

Application Information

Mixing Ratio

Flooring Screed:

1:10 mix

Comp. A, natural

2.00

Comp. B

1.00

Comp. C (Sika® Aggregate-506) parts by weight30

Substrate Temperature

Substrate temperature must be 3°C above measured dew-point

Substrate Moisture Content

< 4%

Pot Life

10°C

20°C

30°C

60 min.

45 min.

20 min.

Curing Time

10°C20°C30°C
Can be walked on after:36 hrs.24 hrs.12 hrs.
Light mechanical loading possible after:3 days2 days2 days
Fully cured after:10 days7 days5 days
Application steps

MIXING

Stir Component (A) thoroughly with an electric stirrer prior to batching. Add Component (B) in the correct mix ratio and mix for 2-3 minutes at a low speed. Place the correctly batched quantity of Component (C) in the mixer (forced action type). Add the prepared resin mix (Components A+B) while the mixer is running, and continue to mix until a homogeneous and uniformly moist mix is obtained.

APPLICATION

Place the Sikafloor®-91 mixture while the primer coat is still tacky, and rake out evenly. Level with a beam laid across steel screeding rails and finish with a steel float.

 

CLEANING OF TOOLS

  • Clean all tools and equipment immediately after use with Sika Thinner C (NZ).
  • Once hardened, the material can only be removed mechanically.
  • Wash soiled hands and skin thoroughly in hot soapy water.

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