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M-CRETE 600P – Surface Primer

£96.82 Excl VAT
Made in the UK - M-CRETE 600P - Surface Primer
Expansion joint filler, sealer

M-CRETE 600 - Concrete Expansion Joint Filler

£135.00 Excl VAT

M-CRETE 600 – Concrete Expansion Joint Filler

£135.00 Excl VAT

Is a coloured, two pack, pourable, epoxy filler/sealant for expansion joints. The consistency of the mixed sealant allows direct pouring or gunning of the sealant into horizontal joints.

This product requires safety training before use and should only be used by qualified personnel.

SKU: MCR600/4.5LTR Categories: , Tag:

Description

M-CRETE 600 – Concrete Expansion Joint Filler

Is a pouring grade, two part, pitch free polyurethane sealant for internal and external expansion joint sealing. M-CRETE can be used for construction joints in concrete paved areas, docks, container depots, industrial factories, and warehousing.

The product has very high adhesion to most materials when used with a suitable  epoxy primer.

M-CRETE 600 – Concrete Expansion Joint Filler is cold applied and is therefore economic to use on small run jobs such as remedial re-sealing of joints in busy areas such as loading yards and hardstanding’s.

Typical Uses

  • Used for Sealing Construction & Expansion Joints in Concrete

Application Guide

  • All joints should be completely dry and free from all traces of dirt, dust grease and any previous sealants and other foreign matter.
  • Cleaning may be carried out by grit blasting, grinding, sawing or water jetting.
  • Wire brush must only be used for the removal of filler boards.
  • In all cases a clean bonding surface must be obtained.
  • Joint sides must be parallel and straight. Spalled joints should be prepared with an appropriate repair mortar such as M-CRETE 200 – Heavy Duty Epoxy Screed
  • Once all preparation work is complete, place into the joint a bond breaker or foam backing rod to form the correct cross section for the joint sealant. And to ensure M-CRETE 600 – Concrete Expansion Joint Filler does not bond to the base of the expansion joint.
  • All joint faces should be primed with the M-CRETE 600P – Surface Primer, care being taken to ensure complete coverage.
  • After priming allow half an hour for the solvent to evaporate. If application of M-CRETE 600 is delayed for more than 2 hours after priming, joints should be re-primed.
  • Optimum performance will be achieved by sealing joints that are dry.

Prior to mixing please ensure the following:

  • The base component is at a temperature between 15-25°C.
  • Do not apply the material when the ambient or substrate temperature is below 4°C or less than 3°C above dew point.
  • Mix both Part-A and part-B together in full units as supplied. For small quantities us a mixing ratio of 3.5:1 by volume or 4.5:1 by weight
  • Stir the contents of Pack B and add the entire contents to Pack A and stir for a full five minutes, preferably using a slow speed electric drill (max 500 r.p.m.) with a mixer paddle, until a completely homogeneous mix is obtained.
  • Take care to avoid including excess air.
  • Mixing is made easier if the Pack B is added and mixed in two stages

Use all mixed material within 25 – 35 minutes at 20°C.

  • Pour or gun apply immediately into the primed joint.
  • Current practice requires that the sealant shall be poured to a level between 3mm (Summer) and 6mm (Winter) below the wearing concrete surface.
AppearanceBase
Activator
Black/grey liquid
Amber liquid
Mixing RatioBy weight:
By volume:
4.5:1
3.5:1
DensityBase
Activator
Mixed
1.35
1.05
1.28
Solids Content100%
Usable Life10°C
20°C
30°C

90 minutes
45 minutes
22 minutes

Coverage per 4.5ltrJoint depth x width x mm

10 x 10
10 x 15
10 x 20
10 x 25
10 x 30
15 x 15
15 x 20
15 x 25
15 x 30
20 x 20
20 x 25
20 x 30
25 x 25
25 x 30


Liner metres

45.0
30.15
22.5
18.0
14.98
20.02
14.98
12.01
10.03
11.25
9.0
7.65
7.2
5.98
Cure Times at 20°C Foot Traffic
Vehicles
24 hours
36 hours
Storage LifeUnopened and stored in dry conditions (15-30°C)18 Months
Movement Movement Accommodation Factor +/- 25%
AdhesionTested to BS 5212100% at 20°C
ResilienceTested to BS 5212
95%
95%
HardnessTested to ASTM D2240Shore A 25
Chemical ResistanceThe product resists attack by a wide variety of low concentration industrial chemicals:

Additional information

Weight 5.96 kg
Colour

Grey, Black

Coverage per Unit

45 Linear metres of a 10mm x 10mm joint

Unit Size

4.5ltr

Material

Epoxy

Mixing Ratio

4.5:1 By Weight – 3.5:1 By Volume

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