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Sikafloor® P 650

(former MTop P 650)

TWO COMPONENT TOTAL SOLIDS EPOXY SURFACE SEALER AND PRIMER

Sikafloor® P 650 is a high grade, low-viscosity, two-component epoxy primer and surface sealer.  Sikafloor® P 650 is used as a sealer or scratch coat, with or without, the addition of quartz sand.

  • Easy application
  • Low viscosity
  • Seals porus substrate
  • Multipurpose primer
  • Good penetration
  • Short waiting times, faster drying
  • Good intercoat adhesion
  • Excellent bond strength
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Usage

Sikafloor® P 650 is suitable for the sealing of concrete surfaces, as well as for the filling of fissures and joints. For improved subsequent coat adhesion, Sikafloor® P 650 can be lightly broadcasted with quartz sand, while still wet, to create additional mechanical key. Sikafloor® P 650 may be mixed with selected aggregate to the desired consistency, to create mortar for patch repairs or to form covings. The mixed mortar must be applied to a surface previously coated with Sikafloor® P 650 resin, whilst still tacky.    

Advantages

  • Easy application
  • Low viscosity
  • Seals porus substrate
  • Multipurpose primer
  • Good penetration
  • Short waiting times, faster drying
  • Good intercoat adhesion
  • Excellent bond strength

Packaging

15 kg units (A+B)

Colour

Clear to pale yellow liquid

Product Details

Product Information

Composition

Two component epoxy resin

Shelf life

12 months from date of production

Storage conditions

The packaging must be stored properly in original, unopened and undamaged sealed packaging, in dry conditions at temperatures between +5°C and +30 °C.

Store under cover, out of direct sunlight and protect from temperature extremes. In tropical climates the product must be stored in an air-conditioned environment.

Density

~1.09 kg/l (mixed, at 25°C)

Solid content by mass

~100 %

Note: Total solid epoxy composition acc. to the test method Deutsche Bauchemie e.V. (German Association for construction chemicals)
Technical Information

Tensile adhesion strength

Greater than cohesive strength of typical good quality concrete substrate

Application

Application Information

Ambient air temperature

+10°C min. / +40°C max.

Relative air humidity

80 % r.h. max.

Dew point

Beware of condensation!
The substrate and uncured floor must be at least 3°C above dew point to reduce the risk of condensation or blooming on the floor finish.
Note: Low temperatures and high humidity conditions increase the probability of blooming.

Substrate temperature

+10°C min. / +40°C max.

Substrate moisture content

< 5 % pbw moisture content.
Test method: Sika®-Tramex meter, CM-measurement or Oven-dry-method.
No rising moisture according to ASTM (Polyethylene-sheet).

Pot Life

~20 minutes at 25°C

Curing time

Full cure: 7 days at 20°C

Tack free time

~20 min. at 25°C

Waiting time to overcoating

Temperature

Witing time for overcoating

+20°C

12 hours

+30°C

6 hours
Consumption

Consumption

Min. 0.15 kg/m²

This figure is theoretical and does not allow for any additional material due to surface porosity, surface profile, variations in level or wastage etc.
Application steps

MIXING

Pour the reactor (Part B) component into the base (Part A) component then mix continiously until streak free, approx. for 3 minutes.

On porous surfaces a maximum of 0.5 L of a suitable thinner (Xylene / MEK / Acetone) per 15 kg unit of primer may be added to improve penetration.

APPLICATION

Make sure that a continuous, pore free coat covers the substrate. If necessary, apply two priming coats. Apply Sikafloor® P 650 by brush, roller, airless spray or squeegee at the required coverage depending from substrate porosity. Preferred application is by using a squeegee and then back rolling crosswise.

CLEANING OF EQUIPMENT

Clean all tools and application equipment with suitable thinner (Xylene / MEK / Acetone), immediately after use. Hardened and/or cured material can only be removed mechanically.

 

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