EMS MATERIAL CONSTITUTION TABLE — v0

Material

Persists

Fractures

Conducts

Insulates

Ages Honestly

Conceals Alteration

Preserves Lineage

Survives Replication

Changes Under Scale

Fails Under Scrutiny

Porcelain

High

Brittle impact fracture

Low electrical

High thermal/electrical

Yes

Low

High

Moderate

Stable

Hidden crack propagation

Basalt

Very High

Edge chipping

Moderate thermal

Moderate

Yes

Low

Very High

High

Stable

Surface erosion visible

Obsidian

Moderate

Catastrophic sharp fracture

Low

High

Yes

Low

Moderate

Low

Fragile at scale

Internal stress weakness

Glass

High if protected

Shatter fracture

Low

High

Moderate

Moderate

High

High

Thickness dependent

Microfracture accumulation

Wool

Moderate

Fiber wear

Low

High thermal

Yes

Low

Moderate

Moderate

Compresses well

Moisture degradation

Linen

Moderate

Fiber tearing

Low

Moderate

Yes

Low

High archival

Moderate

Stable weave scaling

UV degradation

Oak

High

Splitting/checking

Low

Moderate

Yes

Moderate

High

High

Structural scaling excellent

Moisture distortion

Leather

Moderate

Dry cracking

Low

Moderate

Yes

High surface modification

Moderate

Moderate

Thickness dependent

Hidden chemical treatment

Bronze

Very High

Fatigue over time

High

Low

Yes

Moderate patina masking

Very High

High

Excellent

Corrosion under neglect

Steel

Very High

Fatigue/fracture

Very High

Low

Moderate

High refinishing potential

High

Very High

Excellent

Oxidation concealment

Ceramic

High

Brittle

Low

High

Yes

Low

High

High

Stable

Thermal shock

Graphite

Moderate

Shear fracture

Conductive

Thermal resistant

Yes

Low

Moderate

High

Layer-dependent

Surface transfer

Silk

Moderate

Fiber weakening

Low

Moderate

Yes

Low

Moderate

Moderate

Fine-scale excellent

UV and moisture decay