T300/934 [0/45/-45/90]s QI

Verifiedcomposite

T300/934 is a carbon fiber/epoxy composite laminate with a quasi-isotropic (QI) layup sequence of [0/45/-45/90]s, combining fibers oriented in four directions to provide balanced multi-directional load resistance. This material is widely used in aerospace structures, automotive components, and sporting goods where moderate-to-high stiffness and strength with good impact resistance are required without the premium cost of advanced fiber systems. The quasi-isotropic configuration makes it a practical choice for applications experiencing complex loading from multiple directions, though designers often select it as a stepping stone from isotropic materials before moving to tailored, directional laminates for weight-critical designs.

aerospace fuselage and secondary structureswind turbine blade componentsautomotive chassis and body panelssporting goods (skis, bicycles)general composite prototyping and developmentpressure vessels and containment structures

Compliance & Regulations

?ITAR?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Fatigue Strength (10⁷ cycles)(σf)	350.0	MPa	[0/45/-45/90]s
Ultimate Tensile Strength(σUTS)	580.0	MPa	[0/45/-45/90]s

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

Quality & Standards

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.

T300/934 [0/45/-45/90]s QI

Mechanical Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards