Approved Vendor

Borosilicate Glass Sheet

Manufacturer part: 8476K68

Also known as Pyrex and Schott glass, borosilicate sheets are heat resistant, clear, and have a super-smooth surface. They're used in a range of applications, from high-temperature viewports to 3D printing.More durable than common glass found in window panes and drinkware, borosilicate resists expanding and contracting even under extreme temperature swings. It's why borosilicate is often used for exterior lighting and laboratory glassware—you can transfer it directly from freezer to oven rack without warping or cracking.Borosilicate is optically clear—use it as a viewport or in optical and analytical equipment where clarity is key. It won't cloud or pit when exposed to most chemicals, such as acid, chlorine, bromine, iodine, and organic substances. In fact, borosilicate is so chemical resistant that it's used to store nuclear waste.Because they're extremely flat and keep their shape at high temperatures, borosilicate sheets are used in 3D printing, where an accurate first print layer is critical to producing high-quality, geometrically accurate parts. Known in this context as build plates and print surfaces, they also prevent damage to the printer, which sometimes operates at extremely close distances. The flat, smooth surface makes them easy to clean.Also Available: Other sheet sizes. Please select 8476K999 and specify thickness, width, and length.

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Technical data

Specifications

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ECCN
EAR99
RoHS
RoHS 3 (2015/863/EU) Compliant
Color
Clear
DFARS
Specialty Metals COTS-Exempt
REACH
REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Shape
Sheet and Bar
Width
-0.062" to 0.062"
Length
-0.062" to 0.062"
Clarity
Clear
Density
0.08 lbs./cu. in.
Hardness
Knoop 418 KHN100
Material
Borosilicate Glass
Edge Type
Straight
Schedule B
700719.0000
Fabrication
Annealed
Sodium Oxide
0-15%
Aluminum Oxide
1-8%
Boron Trioxide
1-20%
Potassium Oxide
0-8%
Silicon Dioxide
70-87%
Edge Fabrication
Cut
Min. Temperature
Not Rated
Refractive Index
1.47
USMCA Qualifying
No
Country of Origin
United States
Maximum Temperature
445° F
Thermal Conductivity
1.2 Btu/hr. × in./sq. ft./°F @ 212° F
Modulus of Elasticity
63 KN/mm,2
Coefficient of Thermal Expansion
18.1 × 10,-7,/° F

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