Specification: 1. Mesh Count: 20mesh/inch 2. Wire Diameter: 0.40mm 3. Aperature: 0.87mm 4. Open Area: 47% 5. Weight: 1.71kgs/m2 6. Material: Brass Wire H80 7. Roll of width: 0.9m to 3m 8. Roll of length: 15m to 200m 9. Packing: waterproof paper with plastic cloth,then into wooden case. 10. In Stock: 1mx30.5m 50rolls Chemical Composition: