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Retains crowns on preps so short they have virtually no mechanical retention or resistance
may result in calculus formation
Concentrate Bottle
Adult panoramic apron 24 x 27
Hard Rock 33lb/15kg Select:Hard Rock Aqua 33lb/15kg Retains crowns on preps soThe material is compatible with all types of impression materials. Its high expansion makes it especially suited for polyvinyl or polyether impression materials. This material has a creamy and thixotropic consistency for good flow under vibration, yet is very stackable. Its extended working time facilitates multiple pours. The stone has a smooth non brittle surface so dies trim easily without chipping. Working Time: 6 8 minutes Setting Time: 15