Material: Latex. Scope of application: Used as accessories in chemical, laboratory, glassware, and other fields, and is also a common component of a tensile force device. 1.6x3.2mm / 1.7x4.5mm / 1.8x4.2mm / 2x4mm / 2x5mm / 3x5mm / 3x6mm / 4x6mm / 4x8mm / 4x11mm.
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