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M-CHEM 200 - Chemical Resistant Polyurethane Coating
M-CHEM 100 - Chemical Resistant Epoxy Coating

M-CHEM 100 - Chemical Resistant Epoxy Coating

£133.20£500.95 Excl VAT

M-CHEM 100 – Chemical Resistant Epoxy Coating

£133.20£500.95 Excl VAT

Is a High-Build Coating that is tolerant of poor surface preparation and suitable for application to damp surfaces prone to condensation.

Description

M-CHEM 100 – Chemical Resistant Epoxy Coating

Is a Surface Tolerant, Chemical Resistant Epoxy Coating designed for the long-term protection of steel and concrete structures.

The coating when cured has excellent resistance to wide variety of commonly used chemicals.

M-CHEM 100 – Chemical Resistant Epoxy Coating can be applied to manually prepared steel and is tolerant to damp and condensation. The material can be used for applications operating at temperatures from ranging –20°C to 60°C.

This two-component product is highly resistant to marine and industrial environments, buried conditions, ground water, effluents, salt water and a wide range of oils and chemicals.

Typical Uses

  • As an Internal Pipe Lining
  • lining for Fuel Storage Tanks
  • Chemical Resistant Lining for Storage Tanks
  • As a Chemical Resistant Floor Coating
  • To Protect Bunds & Containment Area’s from Chemical Attack

Please contact us to discuss your project before purchasing this material to confirm suitability.

Application Guide

  • All oil and grease must be removed from the surface using an appropriate cleaner such as MEK or similar type solvent.
  • All surfaces must be abrasive blasted to ISO 8501/4 Standard SA2.5 (SSPC SP10/ NACE 2) minimum blast profile of 75 microns using an angular.
  • Once blast cleaned the surface must be degreased and cleaned using MEK or similar type solvent.
  • All surfaces must be coated before gingering or oxidation.
  • All surfaces must be hydro-blasted using clean water at 12,000 psi (850bar) to NACE 5 (SSPC SP13 WJ3-WJ1).
  • All surfaces must be coated before gingering or oxidation occurs
  • All oil and grease must be removed from the surface using an appropriate cleaner such as MEK.
  • All surfaces must be mechanically abraded using handheld grinders to ISO 8501/4 ST3 (SSPC SP3 ST3).
  • Once abraded, the surface must be degreased and cleaned using MEK or similar type material.
  • All surfaces must be repaired before gingering or oxidation occurs.

PLEASE NOTE: Soluble salt contaminated surfaces the substrate must be pressure washed with clean water and checked for salt contamination this process may need to be repeated several times., 

Existing Concrete

  • If the concrete surface is contaminated, pressure wash using clean water.
  • Once the concrete is dry lightly abrasive blast or scarify taking care not to expose the aggregate.
  • Clean all dust and debris from the surface and take several moisture readings and prime with M-PRIME 100 – Low Viscosity Epoxy Concrete Primer or M-PRIME 104 – Damp Tolerant Concrete Primer dependent on the moisture readings obtained.
  • Apply M-PRIME 100 or M-PRIME 104 at a target wet film of 150 microns, allow to cure before overcoating.
  • For very porous surfaces a second coat of primer may be required.

New Concrete

  • Allow new concrete to cure for a minimum of 21 days, lightly abrasive blast or scarify to remove any surface laitance.
  • Clean all dust and debris from the surface and take several moisture readings and prime with M-PRIME 100 – Low Viscosity Epoxy Concrete Primer or M-PRIME 104 – Damp Tolerant Concrete Primer dependent on the moisture readings obtained.
  • Apply M-PRIME 100 or M-PRIME 104 at a target wet film of 150 microns, allow to cure before overcoating.
  • For very porous surfaces a second coat of primer may be required.

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 5°C.
  • Transfer the contents of the Activator unit into the Base container.
  • Using a low speed electric paddle mixer, mix the 2 components until a uniform material free of any streaks is achieved.
  • Once mixing is complete use the mixed paste as soon possible after mixing.
  • Use all mixed material within 20-25 minutes at 20°C.
  • For applications that require additional pot life we suggest M-CHEM 101 – Chemical Resistant Epoxy Coating – Extended Cure.

Brush & Roller

  • Pour the mixed material into a paint kettle or paint tray (this will maximise the usable life).
  • Stripe coat all edges, joints & corners.
  • Once the stripe coat has cured and is capable of being overcoated, apply a basecoat at a minimum wet film thickness 250 microns.
  • Once the basecoat has cured sufficiently, approximately 4 hours at 20°C, apply a topcoat at a minimum wet film thickness of 250 microns.
AppearanceBase
Activator
Mixed
Highly structured thixotropic liquid
Amber liquid
Thixotropic liquid
Mixing RatioBy Weight
By Volume
4:1
2.4:1
DensityBase
Activator
Mixed
1.78
1.05
1.56
Solids Content100%
Sag ResistanceNil at400 microns
Usable Life10°C
20°C
30°C

60 minutes
30 minutes
15 minutes

Coverage Basecoat applied at a minimum target film thickness of 250 microns:
Topcoat applied at a minimum target film thickness of 250 microns:
Finished, minimum target film thickness of 500 microns:


4 sqm /ltr
4 sqm/ltr
2 sqm/ltr
Cure Times at 20°C Minimum overcoating time
Maximum overcoating time
Water/ sea water immersion
Chemical immersion
4 hours
36hours
3 days
5 days
Storage LifeUnopened and stored in dry conditions (15-30°C)5 years
Abrasion ResistanceTaber CS17 Wheels/1 Kg load138mg loss/1000 cycles
0.22cc loss/1000 cycles
AdhesionTensile Shear to ASTM D1002 on abrasive blasted mild steel with 75 micron profile194kg/cm² 2750psi
Impact ResistanceTested to ASTM G142.0 Joules
Cathodic DisbondmentTested to ISO 21809-3:2016
28 days, 1.5v, 3% NaCl
23˚C 2.3mm
65˚C 5.1mm
95˚C 7.7mm
Compressive StrengthTested to ASTM D 695694kg/ cm² 9200psi
Corrosion ResistanceTested to ASTM B1175000 hours
Flexibility(British Gas FW0028 Draft method)
3% Strain at 20°C – PASS
2% Strain at 5°C – PASS
1% Strain at 0°C
Pass
Pass
Pass
Flexural StrengthTested to ASTM D790522kg/cm² 7400ps
HardnessShore D to ASTM D224080
Heat ResistanceSuitable for use in immersed conditions at temperatures up to:
Suitable for use in dry conditions at temperatures up to dependant on load:
60°C
200°C

Chemical Test Data

Chemicals & ConcentrationsTest Temperature Chemicals & ConcentrationsTest Temperature
Ammonia
Brine
Crude Oil
De-ionised Water
Diesel
Ethanol
Hydrochloric Acid up to 20%
20˚C
40˚C
40˚C
30˚C
40˚C
20˚C
40˚C
Naphtha
Nitrus Acid up to 10%
Phosphoric Acid up to 30%
Sodium Hydroxide up to 50%
Sulphuric acid up to 20%
40˚C
20˚C
40˚C
40˚C
40˚C

Please contact us to discuss your project before purchasing this material to confirm suitability.

For increased chemical resistance please consider M-CHEM 300 – Acid Resistant Epoxy Novolac Coating

Additional information

Weight N/A
Unit Size

16ltr, 3.4ltr

Colour

Dark Grey, Light grey

Mixing Ratio

2.4:1 By Volume, 4:1 By Weight

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