v4 composite film is a high barrier aluminum-plastic composite film, containing 7 μ m aluminum foil, with ultra-high water vapor and oxygen barrier performance, which can be used for refrigerator vip , food vacuum packaging, energy-saving building materials outsourcing, pipeline insulation outsourcing, etc.
【product features】:
---excellent barrier (water and oxygen resistance, light and moisture resistance)
---excellent aroma retention can make the contents have a long shelf life
---good weather resistance, can withstand low temperature freezing, refrigeration and transportation
technical index:
item | unit | standard value | test method |
thickness | µm | 98±10% | gb/t6672-2001 |
weight | g/m2 | 120±10% | astm d-646-96 |
width | mm | ±2 | gb/t6673-2001 |
coefficient of friction | inside | / | ≤0.4 |
residual solvent | mg/m² | ≤5.0 | bs6455:1984 |
helium permeation rate | pa•l/(s•cm2) | ≤5.0×10-11 | internal testing |
water permeation rate | g/m2•24 hr | ≤0.5 | mocon |
tensile | n/15mm | ≥45 | gb/t1040.3 |
elongation performance | % | ≥10 | gb/t1040.3 |