... RATES, ENVIRONMENTAL PROTECTION AND NON-TOXIC, TIGHTLY SEALING, WELDING PERFORMANCE IS GOOD, SEALED PACKAGING, DUST RESISTANCE WET, ... strength is good, suitable for manual, semi-automatic and high-speed fully automatic packaging machine. CHARACTERISTICENVIRONMENTAL NON-TOXIC, SUPERIOR ... seal of good performance, and a wide range of welding seal, low temperature, good solderability.CONTARCTION RATE, ...