SCHOTT D 263® T eco Glass | Specifications & China-Made Alternatives

SCHOTT D 263® T eco Glass

Original Manufacturer Reference · SCHOTT · Thin borosilicate glass

Product Overview

Clear, chemically durable borosilicate thin glass supplied in stock sheets and customizable substrate formats.

Typical Applications

Display and cover components
Coating and printed-electronics substrates
Thin optical, sensor and technical-glass parts

Reference Specifications

The following values are condensed from the supplied manufacturer data sheet. Test conditions are retained where they affect interpretation.

Stock thickness range	0.05–1.1 mm
Refractive index	nD ≈1.5231
Density	2.51 g/cm³
Young’s / shear modulus	72.9 / 30 GPa
Poisson’s ratio	0.21
CTE	7.2 × 10⁻⁶ K⁻¹
Tg / strain / annealing / softening	557 / 529 / 557 / 736°C
Vickers / Knoop hardness	510 / 470
Chemical resistance classes	Hydrolytic HGB 1; acid S2; alkali A2

China-Made Alternative Products

For Chinese thin-glass alternatives, the primary matching points are thickness range, TTV/flatness, transmission, CTE, chemical durability and compatibility with coating, printing, laser or edge-processing steps.

Recommended matching criteria:

Chinese thin borosilicate glass
Sheet, round or custom-cut substrates
Cleaning, edge finishing and laser marking

Target modelCritical parametersCandidate gradeSample testingBatch qualification

Customization and Processing

Round wafers, square panels, windows and custom outlines
Precision cutting, edge grinding, chamfering and laser processing
Single- or double-side polishing, thinning, cleaning and marking
TTV, warp, roughness, dimensional and optical inspection to agreed criteria

Qualification Note

Important: “Alternative” means a candidate selected for the same application target. It does not mean an automatic drop-in replacement or identical composition. Final acceptance is based on agreed specifications, samples, test reports and process verification.

Request Material Matching

Manufacturer and product names are used only to identify reference materials and technical targets. Semicon Global Tech is an independent supplier and does not claim manufacturer authorization unless explicitly stated. Original-grade data and China-made alternative specifications are presented separately; supply specifications are confirmed by quotation, COA and approved samples.

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