cotton
polymerCotton is a natural cellulose polymer fiber derived from the seed pods of cotton plants, characterized by its fibrous structure and relatively low density. It is widely used in textiles, apparel, and composite reinforcement due to its comfort, breathability, and biodegradability, though it offers lower strength and stiffness compared to synthetic fibers like polyester or glass-reinforced polymers. Engineers select cotton primarily for applications prioritizing sustainability, moisture management, and skin contact comfort rather than high-performance structural demands.
textile fabrics and apparelnatural fiber compositesinsulation materialsmedical textiles and bandagessustainable packaging and geotextilesacoustic damping applications
Compliance & Regulations
?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
Property OverviewNormalized to typical max values
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | 2.930 | ksi | — | ||
Elongation at Break(εf) | 22.76 | - | — | ||
Flexural Strength (MOR)(σf) | 1.618 | ksi | — | ||
Ultimate Tensile Strength(σUTS) | 5.919 | ksi | — | ||
Young's Modulus(E) | 610.8 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | 165.5 | °F | — | ||
Melting Point / Solidus(Tm) | 366.5 | °F | — | ||
Maximum Service Temperature(Tmax) | 644.6 | °F | — | ||
Thermal Conductivity(k) | 0.1061 | BTU/(hr·ft·°F) | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Safety & Biocompatibility
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.