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DESCRIPTION
STAPUR PRIMER 5303 is a product of solvent-based polyurethane, specially formulated for use in the footwear industry, suitable for application to skin with high fat content (above 8%), preventing the grease release effect on binding adhesive. Thereafter a polyurethane adhesive for effecting bonding needs to be applied.
TECHNICAL.
Description |
Unit |
Conditions |
Values |
Adhesive based |
|
Polyurethane rubber dissolution |
Appearance |
|
Liquid white, almost transparent |
Brookfield viscosity |
mPa.s |
DV – II+, Sp. 3, 20 rpm, 25°C |
400 – 1 000 |
Density |
g / cm3 |
25°C |
0,81 – 0,83 |
Solids |
% |
110°C / 4 hours |
9,0 – 13,0 |
Drying time |
min |
Depending on environmental conditions |
15 – 20 |
Pot Life |
hours |
Environmental conditions |
8 - 10 |
APPLICATION.
The 5303 STAPUR PRIMER can be applied by brush, brush or roller.
Before applying, add 5 to 10% of isocyanates (Desmodur type) and shake vigorously until homogeneous
Apply a natural skin cuts with high fat content, previously carded.
Let dry 15 to 20 minutes before applying the polyurethane adhesive to both surfaces 5301 STAPUR stick.
STORAGE.
AStore in a cool, ventilated area away from sources of heat and electrical sparks. Under these conditions retains its properties for a maximum of 12 months. This product is flammable. (See Product Safety Data Sheet).
PACKAGING.
This product is supplied in bottles in 5, 10, 20 and 200 liters.
These data correspond to our current knowledge and is intended to inform about our products and their application possibilities, declining any responsibility as a result of improper application. The quality of our products is guaranteed within the legal framework of our conditions of sale.
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