1. Brief Introduction
WL-4500FA/B
|
PU Series two
components fast curing adhesive, has good electric properties,
anti-impact, weathering resistance and flame retardation
|
2. Properties:
|
Item
|
Testing Method or Condition
|
WL-4500FA
|
|
|
Appearance
|
Eye Vision
|
Dark Brown Liquid
|
Black Viscose Liquid
|
|
Viscosity
|
25℃，mpa·s
|
200±50
|
10000±2000
|
|
Density
|
25℃，g/ml
|
1.25±0.05
|
1.55±0.05
|
|
Shelf Life
|
Sealing at Room Temperature
|
3 Months
|
3 Months
|
3. Application Process:
Prior to
components mixing, component B needs to be stirred uniformly in a
sealing tank at 40-45 ℃ vacuum condition, Component A can be kept in a sealing tank at
normal temperature but vacuum condition. Component A and B run through
measuring instrument separately, then
enter to the impelling device with agitation.
The parts which need to be adhered
must be baked at 70-80 C for 1-2 hours to remove moisture.
|
Item
|
Unit or Condition
|
WL-4500FA/B
|
|
Mixing Proportion
|
Weight Proportion
|
25:100
|
|
Surface Drying Time
|
25℃，Min.
|
|
4. Characteristics After Curing
|
Item
|
Unit or Condition
|
|
|
Hardness
|
Shore-D
|
65±10
|
|
Specific Resistance by Volume
|
25℃，Ω·cm
|
1.0×1015
|
|
Insulation Strength
|
25℃，kV/mm
|
>20
|
|
Water Absorption
|
24h, 25℃，%
|
<0.2
|
|
Flame Retardation
|
UL-94，1/16in Thick Grade
|
V-0
|
5. Storage, Transportation and
Others:
a.
Store in dark, closed place at
normal temperature （5~35℃）, normal moisture （45~85 %RH）, prevent from light.
b.
Pay attention to use correct
specification product.
c.
This product belongs to non-toxic
materials, store, handle and transport per normal chemicals, the product
shelf life see packing berrel.
6.
Industrial Hygiene:
Product
application and process need to follow related Industrial Hygiene
Regulation.
7.
Remarks:
(Working Place Safe Protection)
Working Overall
Needed
Gloves
Must
Sleeve
Recommended while contacting skin
Goggle/ Safety Glass
Needed
Anti-toxic Mask/ Anti-dust Mask
Not needed
( Skin Protection)
Before Working
Bare skin need to be rubbed with protection oil or paste.
After Working
Rubbed with protection or nutrition oil or paste.
Contaminated skin washing
Slightly rub with paper tissue, then wash with warm water and
non-alkali soap, Don’t use solvents!
( Cleaning for the working place)
Use light color paper to cover working
table, or use disposable beaker etc.
( Spilled materials tereatment)
Use sawn wood powder or cotton to absorb it, then put into
Garbage Bin lined with plastic film.
(Ventilation)
Workshop
Vent, often have air changing
Working
Place
Install Vent Fan, Prevent from inhaling steam.
8. Packaging:
Component
B: 25 Kg Metal Container; Component A: 6 Kg plastic barrel or other
container.
Remarks:
The
above technical data are typical product data at 70% humidity and 25
degree C, for customer reference only.
