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BSI BS 3186:1970

Specification for cellulose acetate sheet for spectacle frames
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BSI BS 3186:1970

Specification for cellulose acetate sheet for spectacle frames

PUBLISH DATE 1970
BSI BS 3186:1970

Specification for Cellulose Acetate Sheet for Spectacle Frame

This specification outlines the requirements for cellulose acetate sheets used in the manufacturing of spectacle frames. The material must possess high transparency, excellent dimensional stability, and good mechanical strength to ensure durability and comfort.

The sheets should be free from defects such as discoloration, bubbles, and cracks. They must conform to specified thickness tolerances and maintain uniform color consistency throughout the batch.

Additionally, the acetate sheets should be resistant to chemicals and environmental factors, ensuring long-lasting performance. The product must comply with all relevant safety and quality standards applicable to optical materials.

Cellulose acetate sheet, made by block slicing or by extrusion, for the manufacture of spectacle frames.

SDO BSI: British Standards Institution
Document Number 3186
Publication Date Jan. 30, 1970
Language en - English
Page Count
Revision Level
Supercedes
Committee CH/172
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