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Smooth-On / Material reference
Polyurethane

Clear Flex™ 30

Clear Flex™ 30 is listed by Smooth-On as a polyurethane rubber. The source reports mixed viscosity of 750 cps, mix ratio by weight of 100A:94B, pot life of 15 minutes. This record connects 20 reported fields with 15 manufacturer document links. Review the original technical data sheet for the applicable test conditions and processing instructions.

Technical data sheet Safety data sheet
750 cpsManufacturer-reported
100A:94BManufacturer-reported
15 minutesManufacturer-reported
16 hoursManufacturer-reported
30Manufacturer-reported
1.03 g/ccManufacturer-reported

Technical & safety documents

15 links
Files open on the manufacturer's document host. Region and language follow the source listing; confirm the revision inside the file.
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TDS
Technical BulletinEnglish · Not specified
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SDS
Clear Flex 30 SDS | EnglishEnglish · United States & Canada
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SDS
Clear Flex 30 SDS | SpanishSpanish · United States & Canada
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SDS
Clear Flex 30 SDS | FrenchFrench · United States & Canada
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SDS
Clear Flex 30 SDS | EnglishEnglish · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | SpanishSpanish · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | FrenchFrench · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | GermanGerman · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | ItalianItalian · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | GreekGreek · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | DutchDutch · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | PolishPolish · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | CzechCzech · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | HungarianHungarian · United Kingdom & European Union
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SDS
Clear Flex 30 SDS | NorwegianNorwegian · United Kingdom & European Union
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Reported specifications

20 fields
Material and processing data
PropertyReported valueEvidence
Mixed Viscosity750 cpsManufacturer table
ColorClearManufacturer table
Mix Ratio By Volume1A:1BManufacturer table
Mix Ratio By Weight100A:94BManufacturer table
Pot Life15 minutesManufacturer table
Cure Time16 hoursManufacturer table
Shore A Hardness30Manufacturer table
Specific Gravity1.03 g/ccManufacturer table
Specific Volume26.9 cu. in./lb.Manufacturer table
Die C Tear Strength54 pliManufacturer table
Elongation @ Break675 %Manufacturer table
Index of Refraction at 20°C1.48822Manufacturer table
Index of Refraction at 25°C1.48649Manufacturer table
Shrinkage0.002 in./in.Manufacturer table
Tensile Strength725 psiManufacturer table
Volume Resistance>7.646E+13 ohmManufacturer table
Volume Resistivity>6.014E+15 ohm/cmManufacturer table
Dielectric Strength474 volts/milManufacturer table
Dielectric Constant, 100Hz6.62Manufacturer table
Dissipation Factor, 100Hz0.103Manufacturer table
Reported values are not independent test results. Original units and table wording are preserved. Extracted TDS rows can depend on the grade, component and source table headings; use the linked page to verify that context. Test methods, sample preparation and cure schedules may differ; consult the original TDS before making a performance comparison.

Selection & processing checks

Distinguish rigid casting plastics, elastomeric rubbers and foams. Their density, hardness scales and processing requirements are not interchangeable.

  • Is this a solid material or an expanding foam?
  • Which hardness scale and cure conditions are reported?
  • What moisture-control and preparation steps does the manufacturer require?
  • Confirm the complete product designation, including any hardener, color or formulation suffix.
  • Read the current SDS for handling, protective equipment, storage and disposal information.

The reported weight ratio for this record is 100A:94B. A weight ratio must not be used as a volume ratio without the appropriate density information.

Missing properties are not estimated. Similar values or shared application labels do not establish a drop-in replacement.

Other materials in this family

View collection
Material / manufacturerFamilyKey specificationDocumentsAdd to comparison
Clear Flex™ 95Smooth-OnPolyurethane250 cpsMixed Viscosity2 linked
Crystal Clear™ 200Smooth-OnPolyurethane600 cpsMixed Viscosity3 linked
Crystal Clear™ 202Smooth-OnPolyurethane600 cpsMixed Viscosity3 linked
Crystal Clear™ 204Smooth-OnPolyurethane600 cpsMixed Viscosity3 linked
Related records are browsing suggestions, not validated substitutes.