Description
Special field polyurethane prepolymer shoes net coating
Key features
The material has excellent flowability and adhesive property, high tensile strength and tear strength.
Excellent weather resistance and hydrolysis resistance.
Excellent bending resistance.
Typical properties
|
Special
field
|
SPF-555
|
|
Prepolymer
|
Appearance
(25℃)
|
Colorless viscous liquid
|
|
Part A viscosity at Room Temperature
(25℃)
|
1500±100
|
|
Part B viscosity at Room Temperature
(25℃)
|
1000±100
|
|
Using
Mixture Ratio (A：B)
|
100:100
|
|
Available Using Time（60~65℃/min）
|
8~10
|
|
Stripping Time
(75~85℃/min)
|
10~15
|
|
Physical Properties of Finished Products
|
Hardness
(Shore A)
|
65±5
|
|
Tensile
Strength (MPa)
|
24.3
|
|
Tearing
Strength (kN/m)
|
89.6
|
|
Elongation
at Break (%)
|
610
|
Application
-Decorative coating of various sports shoes.
Usage method
-The utility model can be used for manual operation, and is more suitable for gluing machine and pouring machine.
Attention
The prepolymer should be stored at low temperature and dry place, avoid the moisture and moisture when used
After the opening of the prepolymer should be used up as soon as possible, if not exhausted with nitrogen seal.
The storage period of unopened prepolymer is three months.
If you want to add color paste or other materials, keep the water content below 0.1%, and consider the compatibility of additives.
