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M-CRETE 600P – Surface Primer

£70.95 Excl VAT
Made in the UK - M-CRETE 600P - Surface Primer
Expansion joint filler, sealer

M-CRETE 600 - Concrete Expansion Joint Filler

£115.89 Excl VAT

M-CRETE 600 – Concrete Expansion Joint Filler

£115.89 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.

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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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