It can also get the same result by raising the tube billet's heating temperature and prolonging its heating time. 适当提高管坯加热温度和延长加热时间，均能显著减少穿孔毛管的外折缺陷，提高金属收得率。
This series sealer is easy to be operaled with the heating time adjustable and suitable to seal various films,it starts working just by turning on the power supply. 本系列封口机操作简便，加热时间可调，接通电源即可工作，适用于各种塑膜的封口。
