Polyester sheets (about 0.2 mm thick) – known under the trade name POLYGRAM® precoated sheets – can be more economically coated, since they can be manufactured in roll form. Other advantages are that ...read more
Polyester sheets (about 0.2 mm thick) – known under the trade name POLYGRAM® precoated sheets – can be more economically coated, since they can be manufactured in roll form. Other advantages are that polyester sheets are unbreakable, resistant towards all common solvents, need less packing and less shelf space for storage. Furthermore, they can be cut with scissors into any required size, and spots can be cut and eluted etc. Charring techniques can be applied for silica coated POLYGRAM® sheets, however at somewhat lower temperatures than on glass.
The maximum temperature for POLYGRAM® sheets is 185 °C. For eluents containing high concentrations of water we recommend our POLYGRAM® precoated sheets. The binder system used for POLYGRAM® sheets is absolutely stable in water.
Key features of polyester sheets POLYGRAM®: - excellent separation efficiency - unbreakable but easy to cut - chemical resistant (against acids and bases) - returns to planarity after bending - transparent - low in weight and price - temperature stable up to 185 °C
Analytical TLC polyester sheets: Silica 60, specific surface (BET) ~ 500 m2/g, mean pore size 60 Å, specific pore volume 0.75 ml/g, particle size 5 – 17 μm, thickness of layer 0.20 mm
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