) Silk screen printing frame for printed circuit 20x30 cm 120T Description: Light weight, wide cross-section range, high bending strength, corrosion resistance (chemicals, inks, solvents and cleaning agents etc.) and easy to clean Single yarn polyester yarn, suitable for general screen printing production, garment printing factory, handbag screen printing, plastic panels and other screen printing Polyester mesh with solvent resistance, high temperature, water resistance, chemical resistance, the advantages of polyester screen under external pressure are greater, its physical properties and stability, little stretch The polyester screen is also suitable for printing precision printed circuit boards and other requirements Specification: Frame material: aluminum Mesh material: polyester fiber Mesh number: 77/90 / 120T Size 20 x 30 cm / 7.87 x 11.81 inches 22 x 32 cm / 8.66 x 12.6 inches 31 x 41 cm / 12.2 x 16.14 inches 31 x 43 cm / 12.2 x 16.93 inch The package includes: Screen printing frame 1 pc