21940General description:This is a topcoated thermal transfer printable white polyester film coated with a permanent pressure sensitive acrylic adhesive and backed with a semi bleached kraft release liner. 一般描述：涂层为适用于热转移打印技术的白色聚酯标签材料，内涂永久丙烯酸基压敏胶，底层是半漂白牛皮离型纸。