Supply wide aluminum foil roll, width up to 1.4 meters, the plastic composite vacuum packaging products for food, pharmaceutical raw materials, bio-chemical, chemical raw materials, pharmaceutical intermediates, export of machinery and equipment moisture, light, vacuum packaging. Four-story structure, toughness, good strength, good watertight and oxygen barrier function. Are not limited to, the amount of body manufacture various specs, style bags, flat bags can be made, three-dimensional bags, organ bags and other styles. Products by GB standards, comply with environmental requirements (available third-party test report). Product Name four foil bag material structure PET12 / AL7 / PA15 / CPE45-150 three foil bag PET12 / AL7 / CPE70-150 technical parameters: the amount of water vapor transmission wire thickness 8-18 ≤0.5g / m2 · 24h (40 ℃ · 90% RH) OTR ≤0.5ml3 / (m2 · 24h. · 0.1mPa) combined strength of> 5 Newton / 15mm Edge strength> 35 Newton / 15mm puncture strength of> 24 lbs.