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Borosilicate Glass Disc
Manufacturer part: 8477K68
Also called Pyrex and Schott glass, this glass resists clouding and pitting and is highly chemical and heat resistant. With a low rate of thermal expansion, it stays dimensionally stable during changes in temperature. Also Available: Other disc sizes. Please select 8477K98 and specify the diameter and length.
✓ Normalized specifications✓ Supplier verified
- Availability
- In stock
- Lead time
- Contact supplier
- Sold by
- Approved Vendor
Technical data
Specifications
Normalized product attributes for faster comparison and sourcing.
- ECCN
- EAR99
- RoHS
- RoHS 3 (2015/863/EU) Compliant
- Color
- Clear
- DFARS
- Specialty Metals COTS-Exempt
- REACH
- Not Compliant
- Shape
- Rod and Disc
- Clarity
- Clear
- Density
- 0.08 lbs./cu. in.
- Diameter
- 2 ,1/4,"
- Hardness
- Knoop 418 KHN100
- Material
- Borosilicate Glass
- Schedule B
- 700600.0000
- Fabrication
- Annealed
- Sodium Oxide
- 0-15%
- Aluminum Oxide
- 1-8%
- Boron Trioxide
- 1-20%
- Potassium Oxide
- 0-8%
- Silicon Dioxide
- 70-87%
- Edge Fabrication
- Ground
- Length Tolerance
- -0.031" to 0.031"
- Min. Temperature
- Not Rated
- Refractive Index
- 1.47
- USMCA Qualifying
- No
- Country of Origin
- United States
- Diameter Tolerance
- -0.015" to 0.015"
- Specifications Met
- MIL-G-47033
- Maximum Temperature
- 445° F
- Thermal Conductivity
- 7.8 Btu/hr. × in./sq. ft./°F @ 194° F
- Modulus of Elasticity
- 63 KN/mm^2
- Coefficient of Thermal Expansion
- 18.1 × 10^-7/° F
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| Supplier | Supplier SKU | Price | Stock | Lead time | Type |
|---|---|---|---|---|---|
| Approved Vendor | 8477K68 | Request price | Contact supplier | Contact supplier | Authorized · US distributor |
Prices and availability are provided by suppliers and may change.