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Master Bond adhesives

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Gougeon Brothers West System® 105 Epoxy Resin® / 205 Fast Hardener®
Categories: Polymer; Thermoset; Epoxy

Material Notes: 105/205 Epoxy is used for general coating and bonding applications at lower temperatures and to produce a rapid cure that develops its physical properties quickly at room temperature. 105/205 forms a high-strength, moisture-resistant solid with excel lent bonding and barrier coating properties. It will wet out and bond to wood fiber, fiberglass, reinforcing fabrics, foam and other composite materials, and a variety of metals. 105/205 Epoxy can be thickened with WEST SYSTEM fillers to bridge gaps and fill voids and can be sanded and shaped when cured. With roller applications, it has excellent thin-film characteristics, allowing it to flow out and self-level without “fish-eyeing.” Multiple coats of 105/205 Epoxy create a superior moisture barrier and a tough, stable base for paints and varnishes. It is formulated without volatile solvents resulting in a very low VOC content. It has a relatively high flash point, no strong solvent odor and does not shrink after curing. It is not intended for clear coating natural finished wood.

Information provided by Gougeon Brothers, Inc.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.18 g/cc
Viscosity 975 cPMixed; ASTM D-2393
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 83ASTM D-2240
Tensile Strength 7900 psiASTM D638
Elongation at Break 3.4 %ASTM D638
Tensile Modulus 408000 psiASTM D-638
Flexural Strength 14100 psiASTM D-790
Flexural Modulus 461000 psiASTM D-790
Compressive Yield Strength 11400 psiASTM D-695
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 118 °FASTM D-648
Glass Transition Temp, Tg 129 °FOnset
 142 °FUltimate
 
Processing PropertiesOriginal ValueComments
Cure Time 6.00 - 8.00 hoursolid, thin film
 24.0 - 96.0 hourworking strength
Pot Life 9.00 - 12.0 min100 g
Working Life 60.0 - 70.0 min
 
Descriptive Properties
Mix ratio5 parts resin: 1 part hardenervolume, 300 Mini Pump ratio
 5.19 : 1weight

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PGOUGW902 / 290746

Rulon Bearings

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