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SKU: MRU100-1

M-RUBBER 101 – Multi Surface Rubber Primer

M-RUBBER 101 – Multi Surface Rubber Primer is a two component, easy to use, solvent free abrasion resistant urethane elastomer has been specifically developed as an abrasion resistant lining for repairs to a wide range of rubber surfaces such as nitrile, neoprene & natural rubber.

 

Description

M-RUBBER 101 – Multi Surface Rubber Primer

This two component, easy to use, solvent free abrasion resistant urethane elastomer has been specifically developed as an abrasion resistant lining for repairs to a wide range of rubber surfaces such as nitrile, neoprene & natural rubber.

Typical Uses

  • Used as sealer for Gaskets
  • Lining of process equipment such as chutes, hoppers fans and pumps

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 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.

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., 

  • Remove any surface contamination and degrease with MEK.
  • Use a suitable carding tool or MBX bristle blaster to roughen the surface before brushing away any debris.
  • Once all surfaces, metallic or rubber have been prepared, apply a Multi-surface Primer to all surfaces with a stippling action avoiding ponding. Leave to cure until touch dry and for a minimum of 20 minutes at 20°C (68°F).

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.
  • M-RUBBER 101 is supplied in a twin compartment bag with the base and activator components already pre-measured.
  • Remove the bag from the outer foil container and warm to around 20 ̊C prior to use to ease mixing.
  • Remove the plastic divider and thoroughly mix the two components by hand until homogeneous.
  • Apply the mixed product onto the prepared surface and smooth out using the tool provided.
AppearanceBase
Activator
Mixed
Black paste
Amber paste
Black paste
Mixing RatioBy Weight
By Volume
100:26
100:23
DensityBase
Activator
Mixed
1.05
1.15
1.08
Solids Content100%
Sag ResistanceNil at 2.5 cm
Usable Life10°C
20°C
30°C

15 minutes
9 minutes
4 minutes

Coverage

500g will cover 0.46m² at a
nominal thickness of 1mm (not
allowing for losses)
Cure Times at 20°C Minimum overcoating time
Maximum overcoating time
Light dry
Heavy load
Water/ sea water immersion
30 hours
36 hours
8 days
24 hours
3 days
Storage LifeUnopened and stored in dry conditions (15-30°C)1 year
Tensile StrengthTested to BS EN ISO 37


100 kg/cm² (1450psi)
Tear Strength
Tested to BS EN ISO 34


4690kg/m (262pli)
Elongation
Tested to BS EN ISO 37


900%
Shore A Hardness
Tested to BS EN ISO 868



85
Linear Shrinkage
500x 50x 10mm <0.05%
90 degree Peel Adhesion to Steel


Tested to ASTM D429
(Abrasive blasted and primed)





3132 kg/m (175pli)
180 degree Peel Adhesion to Rubbers

Tested to ASTM D413
(toughened and primed)
Neoprene 609 kg/m 34 pli (TF)
Nitrile 377 kg/m 21 pli (CS)
Natural 215 kg/m 12 pli (CS)
EPDM 428 kg/m 24 pli (CS)
TF = Tape failure
CS = Cohesive failure in substrate
Los Angeles Abrasion

Test (modified)
After 7 days cure at 20 ̊ C using granite and 150# silicon carbide.

Volume loss per week 0.92%
Dielectric Strength

Tested to ASTM D14916KV/mm
Heat ResistanceSuitable for long term water
immersion at temperatures up
to 50°C and intermittent contact
water contact up to 80°.
Resistant to dry heat up to 120°C
Chemical Resistance
,
The product resists attack by a
wide variety of inorganic acids
alkalis
salts
organic media

Additional information

Weight 5 kg
Colour

Light grey

Pot Life @ 20°C

40 Mins

Mixing Ratio

3:1 By Volume, 5:1 By Weight

Material

Epoxy

Number of Coats

Multiple up to 20mm

Brand

Maxkote

Manufacturer

Maxkote

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