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Belzona 2131 FN10181

1 of 9 products in this brand
Belzona 2131 FN10181 is a two component, durable and abrasion resistant, fluid grade elastomeric system designed for coating, surfacing, casting and tooling applications.

Product Type: 2K (2 component) Coating

Features: Abrasion Resistant, Chemical Resistant, Corrosion Resistant, Durable, Excellent Mechanical Strength, Impact Resistance, Wear Resistant

Application Area: Bearings, Vacuum Pumps

Application Method: Brush

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Application Area
Application Method
Application Areas

When mixed and applied as detailed in the Belzona Instructions for Use (IFU), the system is ideally suited for application to the following:

  • Surfacing pumps
  • Repairing diaphragms
  • Replacing drive couplings
  • Casting flexible molds
  • Casting shock absorbers
  • Casting guide bearings
Application Information

Application Methods

  • Applicator
  • Spatula
  • Brush
  • Pouring

Working Life - The working life will vary according to temperature. At 68°F/20°C the usable life of mixed material will typically be 12 minutes. Consult the Belzona IFU for specific details.

Cure Time - Cure times will vary depending on ambient conditions; consult the Belzona IFU for specific details.

Volume Capacity - The volume capacity of mixed material will be 886cm3/kg, 443cm3 per 500g unit.

Base Component

Appearance

Pale straw colored viscous liquid

Density 11-1.2 g/cm3
Viscosity

190-330 P at 77°F/25°C

 

Solidifier Component

Appearance Thin black liquid
Density 1.06 g/cm3
Viscosity

11 P at 77°F/25°C

 

Mixed Properties

Appearance Black liquid
Density 1.13 g/cm3
Sag Resistance

10mil/250nm maximum

VOC content (ASTM D2369/EPA ref 24) 0.25% / 2.85 g/L

 

Mix Ratio (base:solidifier)

Mixing Ratio by Weight (Base : Solidifier) 3.4:1
Mixing Ratio by Volume (Base : Solidifier) 3.2:1

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Dry Abrasion (7 day cure, 68°F[20°C])30.0mm3 loss per 1000 cyclesASTM D4060
Elongation (24 hours, 68°F[20°C])500 - 600%
Elongation (7 days, 68°F[20°C])400 - 500%
Hardness (24 hours, 68°F[20°C])90.0Shore AASTM D2240
Hardness (7 day, 68°F[20°C])93.0Shore AASTM D2240
Tear Strength (24 hour and 7 day, 68°F[20°C])385 (6875)pli (kg/m)ASTM D624
Tensile Modulus (24 hours, 68°F[20°C]).215 (1.5)psi (MPa)
Tensile Modulus (7 day, 68°F[20°C])205 (1.4)psi (MPa)
Tensile Strength (24 hours, 68°F[20°C]).2460 (17)psi (MPa)
Tensile Strength (7 day, 68°F[20°C])2280 (15.7)psi (MPa)
Wet Abrasion (7 day, 68°F[20°C])30.0mm3 loss per 1000 cyclesASTM D4060
Electrical Properties
ValueUnitsTest Method / Conditions
Dielectric Constant (1.0 V, 100 Hz)5.02ASTM D150
Dielectric Strength (500 V/s)7.1kV/mmASTM D149
Dissipation Factor (1.0 V, 100 Hz)0.021ASTM D150
Surface Resistivity (500 V DC)7.66 x 10^12ohmASTM D257
Volume Resistivity (500 V DC)2.30 x 10^12ohmASTM D257

Technical Details & Test Data

Adhesion

90° Peel Adhesion
When tested in accordance with ASTM D429 (modified), typical adhesion values achieved when the material is used in conjunction with the designated surface and recommended surface conditioner will be:

Substrate Peak Adhesion Failure Mode
Grit Blasted
Mild Steel
186 pli
3320 kg/m
Tape Failure

180° Peel Adhesion
When tested in accordance with ASTM D413, typical adhesion values achieved when the material is used in conjunction with the designated surface and recommended surface conditioner will be:

Substrate Peak Adhesion Average Peel Adhesion Failure Mode
EPDM
(Shore A: 75)
20 pli
350 kg/m
5 pli
90 kg/m

Cohesive in Substrate

Nitrile
(Shore A: 77)
37 pli
655 kg/m
21 pili
375 kg/m

Cohesive in Substrate

Neoprene
(Shore A: 83)
28 pili
510 kg/m
13 pli
230 kg/m

Cohesive in Substrate

Natural Rubber
(Shore A: 51)
14 pli
250 kg/m
4 pli
65 kg/m

Cohesive in Substrate

Commercial Rubber
(Natural/SBR)
(Shore A: 72)
14 pli
255 kg/m
9 pli
160 kg/m

Cohesive in Substrate

Insertion Rubber
(commercial with textile reinforcement)
(Shore A: 70)
21 pli
375 kg/m
9 pli
155 kg/m

Cohesive in Substrate

 

Chemical Resistance

Once fully cured, the material will demonstrate excellent resistance to a range of chemicals including; dilute inorganic acids and alkalis.

Compression Resistance

When tested in accordance with BS 903 part A6, the compression set following a 30 minute recovery period will typically be 24%.

Heat Resistance

Dry - For many typical applications the product will be suitable for operation in dry conditions in the temperature range -40°F to 194°F (-40°C to 90°C).

Wet - For wet or immersed conditions the maximum service temperature is 104°F (40°C).

Storage & Handling

Shelf Life

Separate base and solidifier components shall have a shelf life of 3 years from date of manufacture when stored in their original unopened containers between 41°F (5°C) and 86°F (30°C).