... safe working environmentd. Good sealing of paper products, book bonding, plastic bag sealing and carton packinge. Also good for other uses ... ) Working Temperature: 120 -140°C Uses: 1. Good for sealing plastic bag, polybag and any kinds of package2. Can be used ... , electron, electronic accessories, paper products and so on. Package: 1kg in a plastic bag, 25kgs packed in one carton Shelf life: 12 months