FIELD: polymer materials. SUBSTANCE: product contains, as filler, talk and/or mica, and/or heat-resistant polyimide and/or elutriated chalk (maximum content of filler 40 wt %) and possesses strength in direction of extension at least 10 cN/tex. Product with elutriated chalk filler is suited to manufacturing dental complex threads. Material is brightly colored and has higher strength and lesser tendency toward cold flow as compared with analogous products with graphite filler. EFFECT: increased strength and hardness. 13 cl, 7 ex
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Authors
Dates
1999-08-27—Published
1994-09-28—Filed