1. When the ambient temperature is 25 °C, it should be 2-3 days after construction, that is, the hardness reaches about 80% of the completion of curing;
2, the surface can not appear sticky;
3, air bubbles: flat coating type, mortar type without bubbles, self-leveling allows 1 small bubble / 10 square meters;
4, good leveling, no knives, large-area interface is basically flat;
5, no floating color, uniform color, large-area interface allows for extremely inconspicuous color difference;
6, no coarse impurities, but allow the floating dust in the air to fall into the smallest defects caused;
7, the surface of the floor should be smooth and smooth, the gloss should meet the design requirements (high gloss ≥ 90, light ≥ 70, half light 50 ~ 70), flat coating type is light, water is semi-gloss ~ no light;
8, orange peel, mortar anti-slip surface effect should be very obvious.
Acrylic mounting systems have a short cure time and are recommended for high pressure and high temperature sensitive sample installations. Buehler's products include acrylic liquids, powders and kits for various metallographic sample testing applications.
Samplkwick-acrylic mounting compound is designed to package PCB samples quickly and efficiently. By immerging the sample in an acrylic liquid prior to potting, Buehler's SamplKwick wets well and enters smaller holes and grooves, easily providing the edge holding required for good permeability and excellent electronic preparation. In order to reduce the viscosity of mixed acrylic acid, the optimal volume mixing ratio of powder to liquid is 1∶1 or 1.5∶1.
VariKleer- ideal for use with pressure vessels, produces a clear acrylic coating that hardens and reduces shrinkage, ensuring that PCB sample samples are ground to the desired level. For transparent installations, use SamplKup instead of EPDM or a one-time installation.
VariDur- is a quick system of acrylic fillers with short curing cycles compared to epoxy resins where edge curing is not critical and is particularly suitable for hardening of metal samples.
Cold Mounting Consumables,Cold Mounting Metallography,Cold Mounting Epoxy Resin,Cold Mounting Procedure
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