B270i WINDOWS & PLATES

STOCK SPECIFICATION
MATERIAL:		B270i® Polished Plate
DIMENSION TOLERANCE:		Diameters +0.00/ -0.20mm
		Squares ±0.10mm up to 25mm x 25mm
		Squares ±0.20mm over 25mm x 25mm
THICKNESS TOLERANCE:		1mm ±0.10mm 2mm, 3mm, 4mm ±0.20mm
EDGE FINISH:		Squares fine ground up to 25mm x 25mm
		Squares as cut/chamfered over 25mm x 25mm
		Diameters ground
SURFACE QUALITY:		Plate 80/50 Scratch/Dig
SURFACE FLATNESS:		1-2 Fringes per 25mm dia (@633nm)
PARALLELISM:		≤ 5 Arc mins

CUSTOM

DIMENSIONS: Diameters 5mm to 250mm

Squares/Rectangles 1mm x 1mm to 406mm x 258mm

THICKNESS RANGE: 0.90mm, 1.15mm, 1.65mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm & 10mm

DIMENSIONS/THICKNESS: Tol up to 0.02mm

SURFACE QUALITY: 80/50 to 20/10 scratch/Dig

SURFACE FLATNESS: Up to lambda 10 (@633nm)

PARALLELISM: Up to 10 seconds

OPTIONS: Toughened, drilled, bevelled angles, optical coatings & shapes

Part No.	Data sheet	Description	Thickness (mm)	Dimensions (mm)	Unit Price (1-10) in	Qty (1-10)		Qty (11+)
OGP-051		B270i Plate	1	5 x 5	£5.90		Buy		Add To Quote
OGP-1010		B270i Plate	1	10 x 10	£6.50		Buy		Add To Quote
OGP-1210		B270i Plate	1	12 x 12	£7.50		Buy		Add To Quote
OGP-1510		B270i Plate	1	15 x 15	£7.80		Buy		Add To Quote
OGP-1520		B270i Plate	2	15 x 15	£8.20		Buy		Add To Quote
OGP-2010		B270i Plate	1	20 x 20	£9.50		Buy		Add To Quote
OGP-2020		B270i Plate	2	20 x 20	£8.90		Buy		Add To Quote
OGP-2510		B270i Plate	1	25 x 25	£9.50		Buy		Add To Quote
OGP-5510		B270i Plate	1	50 x 50	£14.80		Buy		Add To Quote
OGP-5520		B270i Plate	2	50 x 50	£15.20		Buy		Add To Quote
OGP-5530		B270i Plate	3	50 x 50	£16.80		Buy		Add To Quote
OGP-7573		B270i Plate	3	75 x 75	£24.00		Buy		Add To Quote
OGP-1001		B270i Plate	1	100 x 100	£28.00		Buy		Add To Quote
OGP-1002		B270i Plate	2	100 x 100	£29.00		Buy		Add To Quote
OGP-1003		B270i Plate	3	100 x 100	£30.00		Buy		Add To Quote
OGW-051		B270i Window	1	Ø 5	£9.80		Buy		Add To Quote
OGW-101		B270i Window	1	Ø 10	£6.00		Buy		Add To Quote
OGW-102		B270i Window	2	Ø 10	£7.50		Buy		Add To Quote
OGW-121		B270i Window	1	Ø 12.50	£8.00		Buy		Add To Quote
OGW-122		B270i Window	2	Ø 12.50	£8.50		Buy		Add To Quote
OGW-151		B270i Window	1	Ø 15	£9.00		Buy		Add To Quote
OGW-152		B270i Window	2	Ø 15	£9.20		Buy		Add To Quote
OGW-153		B270i Window	3	Ø 15	£9.50		Buy		Add To Quote
OGW-201		B270i Window	1	Ø 20	£9.70		Buy		Add To Quote
OGW-202		B270i Window	2	Ø 20	£9.80		Buy		Add To Quote
OGW-2510		B270i Window	1	Ø 25	£8.90		Buy		Add To Quote
OGW-2515		B270i Window	1.5	Ø 25	£9.50		Buy		Add To Quote
OGW-2520		B270i Window	2	Ø 25	£10.00		Buy		Add To Quote
OGW-2530		B270 Window	3	Ø 25	£10.50		Buy		Add To Quote
OGW-254		B270 Window	4	Ø 25	£12.90		Buy		Add To Quote
OGW-302		B270 Window	2	Ø 30	£15.80		Buy		Add To Quote
OGW-352		B270 Window	2	Ø 35	£16.20		Buy		Add To Quote
OGW-403		B270 Window	3	Ø 40	£18.80		Buy		Add To Quote
OGW-501		B270 Window	1	Ø 50	£17.00		Buy		Add To Quote
OGW-5015		B270 Window	1.5	Ø 50	£16.80		Buy		Add To Quote
OGW-5020		B270 Window	2	Ø 50	£17.50		Buy		Add To Quote
OGW-5030		B270i Window	3	Ø 50	£19.80		Buy		Add To Quote
OGW-753		B270i Window	3	Ø 75	£38.00		Buy		Add To Quote
OGW-1001		B270i Window	1	Ø 100	£48.00		Buy		Add To Quote
OGW-1002		B270i Window	2	Ø 100	£54.00		Buy		Add To Quote
OGW-1003		B270i Window	3	Ø 100	£56.00		Buy		Add To Quote