Annealed Glass | McMaster-Carr

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Maximum Temperature

Less than 250° F

250° F to 499° F

1,000° F to 1,999° F

2,000° F or greater

Clarity

Spec Image

OD

ID

Performance

High Temperature

Edge Fabrication

Edge Type

Fabrication

Hardness

Knoop 418 HK 0.1

Knoop 420 HK 0.1

Knoop 570 HK 0.1

Thermal Conductivity @ Temperature

7.8 BTU⋅in/(hr⋅ft²⋅°F) @ 194° F

1.2 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

8.3 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

10.23 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

1.4 W/(m⋅°C) @ 20° C

1.2 W/(m⋅°C) @ 90° C

RoHS

REACH

Minimum Temperature

-49° F to -1° F

Modulus of Elasticity

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Density

Refractive Index

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307 Products

Glass

Borosilicate Glass Sheets

Borosilicate Glass Sheets

Used in 3D printing because they're extremely flat and keep their shape at high temperatures

Borosilicate Glass Rods and Discs

Borosilicate Glass Rods and Discs

Resists clouding and pitting, also highly chemical and heat resistant

Ultra-High-Temperature Quartz Glass Rods and Discs

Ultra-High-Temperature Quartz Glass Rods and Discs

Withstand temperatures up to 2100° F in applications that require optical clarity

Wire-Reinforced Glass

Wire-Reinforced Glass

Wire reinforcement and an acrylic coating increase this glass's impact resistance

Ultra-High-Temperature Quartz Glass Sheets

Ultra-High-Temperature Quartz Glass Sheets

Won't deform in up to 2100° F or from drastic temperature changes

Pressure-Rated Borosilicate Glass Tubes

Pressure-Rated Borosilicate Glass Tubes

Use as glass bowls in oil dispensers

Borosilicate Glass Tubes

Borosilicate Glass Tubes

Resists clouding and pitting, also highly chemical and heat resistant

Ultra-High-Temperature Quartz Glass Tubes

Ultra-High-Temperature Quartz Glass Tubes

Won't deform in up to 2000° F or from drastic temperature changes

Borosilicate Glass Balls

Borosilicate Glass Balls

Resists clouding and pitting, also highly chemical and heat resistant

Pressure-Rated Borosilicate Glass Discs

Pressure-Rated Borosilicate Glass Discs

Commonly used as sight glass

Other Products

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)