產品介紹 Products
康寧 Med-Gamma® 鉛玻璃
Corning® Med-Gamma® Glass is a high-quality, neutral appearance glass for protective shielding from Positron Emission Tomography (PET) gamma-based radiation at various keV levels.
商品說明

Key benefits:

  • Protective shielding glass against gamma-based PET radiation as specified by IEC 61331:2014 (Standard Gamma Radiation).
  • Extensive physical testing carried out on Corning® Med-Gamma® Glass allowing designers to specify glass with maximum confidence.
  • Supplied as polished plates up to 2800 x1400 mm, with smaller sizes cut to customer requirements.
  • Wide lead equivalent, thickness and size range.
  • High quality and neutral appearance providing excellent visual clarity. 
  • Stocked worldwide through local Corning sales offices and a network of specialist partners for fast deliveries.

Product features:

Corning® Med-Gamma® Glass is supplied as:

  • Polished plate up to 2800 x 1400 mm
  • Cut plate supplied to customer specific sizes (with edges ground or polished and finished with safety chamfers)
  • Laminated plate using PVB interlayer 
     

Main applications:

  • Occupational protection from PET gamma radiation used in scanning techniques
    for diagnostics and treatment.
  • Cyclotron maintenance.
商品規格

 Shielding Characteristics

Data provided by the UK Health Protection Agency, based on Cs137/Co60 standard gamma radiation qualities according to ISO 4037-1.

Attenuation measured by using the narrow beam method, in accordance with IEC 61331:2014.

* Thickness achieved through lamination process using a 1.5 mm interlayer.

Glass Thickness Minimum lead equivalent (mm) for stated keV Max. Plate Mass
mm inches 511keV 661keV 1250keV kg/m3 lbs/ft3
7.0-8.5 0.276-0.335 2.3 2.5 2.8 40.8 8.4
8.5-10.0 0.335-0.394 2.8 3.1 3.5 48.0 9.8
10.0-12.0 0.394-0.472 3.3 3.6 4.1 57.6 11.8
11.0-13.0 0.433-0.512 3.7 4.0 4.5 62.4 12.8
12.0-14.0 0.472-0.551 4.0 4.3 4.9 67.2 13.8
14.0-16.0 0.551-0.63 4.6 5.1 5.8 76.8 15.7
16.0-18.0 0.630-0.709 5.3 5.8 6.6 86.4 17.7
18.0-20.0 0.709-0.787 5.9 6.5 7.4 96.0 19.7
20.0-24.0* 0.787-0.945 6.7 7.3 8.5 115.2 23.6
22.0-26.0* 0.866-1.024 7.3 8.1 9.4 124.8 25.6
24.0-28.0* 0.945-1.102 8.1 8.9 10.3 134.4 27.5
28.0-32.0* 1.102-1.260 9.3 10.2 11.7 153.6 31.5
32.0-36.0* 1.260-1.417 10.7 11.7 13.4 172.8 35.4
36.0-40.0* 1.417-1.575 12.0 13.2 15.2 192.0 39.3
45.0-53.0* 1.772-2.087 15.0 16.8 19.2 216.0 44.2

 

First-class distribution network

Corning Med-Gamma® Glass is available worldwide through

CORNING sales offices and a global network of specialist distributors,

many of which hold a comprehensive range of stock for quick delivery.

Physical Properties

Optical Properties

Refractive Index nd: 1.76

Transmission % @ 550nm through 5mm path: ≥85.0

Mechanical Properties

Torsion Modulus (Gpa): 24.8

Chemical Properties

Heavy oxide content: <70%

ISO standard production
The production of CORNING SAS is strictly controlled and is manufactured

in accordance with the Quality Standard ISO 9001, the environmental

Standard ISO 14001 and Health & Safety Standard OHSAS 18001.

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