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Silicone sealant WD-2
Typical Technical Data:
Component A Component B
Appearance:Uniform creamy paste Uniform creamy paste
Color:white or straw yellow black
(Test Condition: T=23±2 degree, RH=50±5%)
Viscosity (Pa. S) 300~800 50~450
(Mixing A and B at the ratio 10:1)
Pot Life: 20
Tack-free Time (h): 1.5
Hardness 24-hour after curing (HsA):45
Sag (mm):3
Tensile Adhesive Strength (MPa): 0.70
Tensile Elongation at Break (%): 80
Low-temperature flexibility: –40℃
Adhesion Property (at 110% elongation) no damage
Under Hot air-water Soak
Adhesive Property (at 110% elongation) no damage
Under Ultraviolet-water soak
Package:
Component A: Net Volume190 L in metal pail
Component B: Net Volume 19 L in metal pail
we also provide smaller package to meet customer’s special needs.
Storage:
Placed in dry, ventilated, shady and cool environment.
When stored at or below 30℃, UP-816 has a shelf life of 12 months from the date of manufacturing. Refer to product packaging for “Use By” date.
WD-2 is a two-component silicone sealant. It is used as the secondary adhesive sealant, with the primary adhesive sealant being butyl sealant. Using the two types of sealants together could prolong the life of insulating glass. WD-2 boasts high modulus, high strength, two components, machine mixing, and fast curing. It also has excellent compatibility with other materials, outstanding weather durability, aging and ultraviolet resistances and great adhesion to most common IG materials such as glass and aluminum.
WD-2 contains no organic solvents, with no harm to human and environment. It is therefore considered as a “Green” product.
WD-2 accords with the standard JC/T486-2002 of (Elastomeric Sealants for Insulating Glass).
Insulating glass units made of WD-2 accords with the standard GB/T11944-2002 of (Insulating Glass).
Main Application:
WD-2 is to be used as the secondary adhesive sealant in manufacturing insulating glass units. It could also be used for other purposes depending on customer’s special requirements.
Note: Under normal conditions, A and B components of this product shall be mixed at 10:1 ratio (see product packaging for details). Customers could adjust the ratio between 9:1 to 11:1 depending on the needs. The curative is very reactive and is prone to be hydrolyzed to lose its function. It should be stored under tight sealed conditions to avoid any contact with moisture.
Pre-cautions:
The information contained herein, which is solely based on our know-how through long time research and development, is offered in good faith and is believed to be accurate. However, since conditions and methods of use of our products are different from each other, we could not ensure the validity and applicability of our products in all applications. Consumers should make their efforts to fully understand our products and perform the necessary tests to ensure that they are safe, effective and fully satisfactory for the intended end use.
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