1、With the least of solid material surface tension, high and low temperature resistant, corrosion resistant, non-toxic. 2、Widely used in peoleum, pharmaceutical and chemical education research, analysis room to do a stirred solution of use. 3、Usage: Put PTFE stirrer mixers in the magnetic stirrer, stir or heat at the same time. 4、PTFE and high-quality permanent magnet magnet refined, with wear-resistant, high temperature resistance, chemical corrosion, s operation and other advantages. 5、Non-toxic: with physiological inertia, as artificial blood vessels and organs long-term implanted in vivo no adverse reactions Features: 1. With the least of solid material surface tension, high and low temperature resistant, corrosion resistant, non-toxic. 2. Widely used in peoleum, pharmaceutical and chemical education research, analysis room to do a stirred solution of use. 3. Usage: Put PTFE stirrer mixers in the magnetic stirrer, stir or heat at the same time. 4. PTFE and high-quality permanent magnet magnet refined, with wear-resistant, high temperature resistance, chemical corrosion, s operation and other advantages. 5. Non-toxic: with physiological inertia, as artificial blood vessels and organs long-term implanted in vivo no adverse reactions. Specification: Condition: Brand New Material:PTFE and high-quality permanent magnet magnet Color: As shown in the picture Size: Approx. 4x8mm / 0.2x0.3inwhite-space:pr 5x10mm / 0.2x0.4inwhite-space:pr 6x15mm / 0.2x0.6inwhite-space:pr 7x25mm / 0.3x1.0inwhite-space:pr 7x20mm / 0.3x0.8inwhite-space:pr 9x28mm / 0.4x1.1inwhite-space:pr 8x30mm / 0.3x1.2in 9x35mm / 0.4x1.4inwhite-space:pr white-space:prWidest Diameter x Length white-space:pr white-space:prPackage List: white-space:pr8 x Magnetic Stirrer Mixer Stir Bar