They have a clear surface and do not contain spots, defects or lines. They also do not have the  innate disadvantages that the glass generally has as a material. They do not absorb the material under examination. Their thickness is 0.13-0.17 mm. They are waterproof, and specimens to be covered with coveralls can be maintained for a long period of time . Tear tolerance and curvature resistance : 4 cm. Boiling point: 736 ° C.

Packaging 500 pieces, CASTEL 1000

Dimensions: 22 x 22 mm, code .: 00-01-12

Package 100 pieces, CASTEL 500

Dimensions: 24 x 50 mm, code .: 00-01-23

24 x 60 mm, code .: 00-01-26