... Tea Bag Filter PaperSPECIFICATIOI. NAME OF PRODUCT:heatsealable filter paper for teabags16.5gsm, 17gsm, 18gsm, 20gsm, 21gsm, ... Requirement for Product Appearance 1. The surface of paper sheet should be equal and plane.2. The ... the same batch.3.The edge surface of paper roll should be even, the density of two ... edges should be same. The paper core should be without distortion.V. SizeRoll width ...