http://www.optocity.com/a/BK7.htm WebHigh thermal resistance Provides exceptional resistance to thermal shock and temperature fluctuations due to low thermal expansion. Excellent mechanical properties Delivers significantly increased scratch and abrasion resistance. Exceptionally high transmission Provides excellent optical clarity and visual quality. Product variations
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WebMechanical Properties Mechanical properties include Knoop Hardness, Elasticity Modulus, Torsion Modulus, Poisson’s Ratio, Density and Grindability. They provide … WebRates of removal, surface roughness, and subsurface damage are a function of a glass's mechanical properties including the elastic modulus, hardness, and fracture toughness. Lapping hardness may be derived from the ... BK7 774 SF5 519 SK16 710 LaK10 865 F2 500 SF58 346 Table 2.1 Variation in Glass fracture toughness. fishing shirt apple phone
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WebFor example, BK7 glass with the refractive index 1.5168 (at 587.6 nm) and the Abbe number 64.17 gets the code 517642. There are also extended codes, including information on the glass density after a dot. Names of Glass Types. ... Other mechanical properties of interest are the elasticity and the abrasion resistance. WebBuy BK7 Glass Online. Please click here for help or feel free to Contact Us at 1-800-216-8349 or [email protected]. Note: SSP = Single Side Polished, DSP = Double … WebTIE-31: Mechanical and thermal properties of optical glass DATE July 2004 PAGE 4/10 100 ( / ) ( / ) 0 0 = ⋅ r r w w HG x (4-1) where w x is the average mass removed from five samples of the glass to be classified w 0 is the average mass removed from five samples of the reference glass ρ is the density of the glass to be classified fishingshirley