Polyvinyl Alcohol
PVA Powder is the selection of high quality of PVA, and environment-friendly water soluble
polymer. It takes liquid nitrogen as a medium, Crushing processing in low temperature
environments, have a good at film forming property, emulsibility, cohesive property .
the film it product has great force , solvent resistance,abrasion resistance,tensile strength
and oxygen denial .due to PVA have hydrophilic group and hydrophobic group,so PVA
couble be protective colloid as Polymer emulsion .
performance index
Specification
|
088-05(0588)
|
088-20(1788)
|
088-35(2088)
|
088-50(2488)
|
Viscosity(mpa.s)
|
4.0-6.0
|
24.0-28.0
|
28.0-35.0
|
44.0-56.0
|
Alcoholysis Degree
|
86.0-90.0
|
86.0-90.0
|
86.0-90.0
|
86.0-90.0
|
Volatile (wt%)
|
≤5.0
|
≤5.0
|
≤5.0
|
≤5.0
|
ash(%)
|
≤0.5
|
≤0.5
|
≤0.5
|
≤0.5
|
PH value
|
5-7
|
5-7
|
5-7
|
5-7
|
purity
|
≥93
|
≥93.5
|
≥93.5
|
≥93.5
|
physical and chemical properties
|
Water-solubility: it dissolves quickly in room temperature water, its transparent
is aqueous solution, non toxic and harmless, security and environmental.
|
Chemical resistance: At normal temperature, its PH value is about 5-7, viscosity is steady,
hardly be impacted by weak acid, weak base and organic solvent(ester, ketone, higher
alcohols, hydrocarbon), has high oil resistance.
Compatibility: it can be miscible with starch, synthetic resin, cellulose derivatives & surface
active agent and has better stability.
main application
KP series can be widely used dry powder, powder putty, dry-mixed mortar, oilfield auxiliary
chemical, in powder building materials, caking agent&bond of plastering anhydrite.
Especially suitable to be used as interior & exterior wall putty and construction mortar,
the main function is bonding, improveing the flexility, water-retaining property, reducing
friction, enhancing the work efficiency and quality(to prevent the crack&fall off from
the floated coat, add adhesive strength and smooth texture).
usage method
KP series can be used in powder building materials , after stirring and mixing evenly, it could
be use. Addition of advice: 0.3-3%of the totle putty powder.
KP series use 100-120mesh when product dry glue powder, below 100 mesh it dissolves slow,
difficult completely dissolve, when over 120 mewsh, it is easy to agglomerate. Dry-mixed morta
r use 80-120mesh. Powder putty use above 120 mesh, because below 120 mesh it is difficult
to dissolve and make the surface unsmooth.
pachage&storage transportation
Packing: Paper-plastic package with plastic film, 20kg&25kg per bag.there are COA in every
product,and clear&firm mark in every bag.including trademark,name,model, lot number,net
weight,manufacturer ect...
Store: KP line products should be stock indoor where is dry& well-ventilated, room temperature
is 5-30℃, Stored in batches. do not near the power,prevent humid, avoid sun exposure.
strictly prohibit storage with volatile chemicals to prevent adsorption modification.
Transportation: when transport KP line products shuld use clear conveyance and avoidmoisture,
rain,sun and carry gentlyto prevent smash package.