Paper Protector PVAC Glue /Cardboard Tube Starch Glue :
PVAC is the glue for paper protector and paper tube production.
Structure: [-CH2-CHOOCH3-]
Properties: Dissolvable in water, non-toxic and smelless, non- corrosion, pollution -free and white emulsion liquid. pH: 4-5.5, Solid content: 19-21%, Viscosity: 1300mPa. S
Shelf life for storage: Normally 4-6 months store at 5-40c
Series NumberTest ItemsRequirementTest ResultItem ConclusionRemarks1AppearanceWhite
No big granule and unrelated thingsConforming to requirementQualifiedNo2PH value3~75QualifiedNo3Content of fixed things, %≥ 29.035.1QualifiedNo4Viscosity, Pa s≥ 1.079.6QualifiedNo5Ash content, %≤ 3.00.8QualifiedNo6Lowest temperature of becoming membrane, ° C≤ 8-1QualifiedNo7Lumber pollutionShallower color comparing with ferrous sulfateConforming to requirementQualifiedNo8Compression and shearing strength, M PaDrying strength≥ 4.56.0QualifiedNoWet strength≥ 0.251.59QualifiedNo9Drafting Formaldehyde, g/kg≤ 1Not testedQualifiedNo10Volatile organic matter, g/l≤ 5631QualifiedNo11Benzene, g/kg≤ 0.2Not testedQualifiedNo12Toluene+Xylene, g/kg≤ 10Not testedQualifiedNo