... PROTECTION AND NON-TOXIC, TIGHTLY SEALING, WELDING PERFORMANCE IS GOOD, SEALED PACKAGING, DUST RESISTANCE WET, SOFT TOUGH, UNIFORM ... of thin-film layer uniformity, sealing strength is good.High level of transparency, flexibility and strong, clear ... DEGREE OF TRANSPARENCY, GOOD GLOSSHigh transparency, gloss is good, can improve product packaging grades.GOLD-RESISTENT, GOOD LOW TEMPERATURE PROPERTIESAt ...