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BMS A-Silicon is an A-type silicone impression material based on vinyl polysiloxane. It is specially developed for making extremely precise primary impressions in dentistry. Thanks to its high viscosity and advanced formulation, this product is perfectly suited for both the two-phase putty/wash technique and the one-phase technique.
The silicones are fully biocompatible and do not release toxic substances during or after curing. This guarantees safe use for patients.
Easy to mix
The 300 ml base and 300 ml catalyst are designed for fast, even mixing using the included spoons.
Fast processing time
The curing time is short, allowing efficient work without sacrificing accuracy.
Hydrophilic surface
Excellent wetting for precise detail reproduction, even in moist oral conditions.
Very high tear resistance
Reliable impressions without risk of tearing upon removal.
Optimal elasticity and shape recovery
Does not deform permanently, quickly returns to its original shape.
Dimensional stability
Maintains its exact shape and size over time, ideal for laboratory models.
Non-sticky surface
Leaves no residue on gloves or instruments.
Mixing time: ± 30 seconds
Total processing time: ± 1 minute
Working time in mouth: ± 1.5 minutes
Curing time: ± 2.5 minutes
Linear shrinkage: < 0.2%
Shore A hardness: 68
Elastic recovery: ≥ 99%
Color: Light blue
Measurements were taken at 23 °C ± 2 °C and 50% ± 10% relative humidity.
300 mL base component
300 mL catalyst component
2 mixing spoons included
BMS A-Silicon is ideal for:
Primary impressions for crowns and bridges
Implant prostheses
Orthodontic models
General prosthetic impressions requiring high accuracy
Take equal amounts of base and catalyst using the supplied spoons.
Mix for 30 seconds until homogeneous.
Apply directly to the area to be treated.
Let it cure according to the recommended times.
Note: Higher temperatures shorten the processing time, lower temperatures extend it.


