This new polymer allows the user to obtain full, cure-light transmission through a snug-fitting, elastic barrier. Blue-light transmission in the 400 to 520 nm range is 99 percent. The barriers are available in two sizes: Small-Medium to fit cure-light guide from 7 to 10 mm and a Medium-Large to fit guide from 11 to 13 mm. Each barrier is prerolled for easy roll-on/roll-off application and the elastic qualities eliminate the need for tape, rubber bands or other types of securing medium typically used with plastic, film-type barriers.
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