Hongying-4300 building structural sealant

100% silicone sealant
one component, neutral,
structural sealant,
high modulus, not corrosive,
room temperature curing
HONGYING-4300 BUILDING SILICONE STRUCTURAL SEALANT

PRODUCT FEATURES
*One-part, neutral-cure sealant, RTV sealant.
*Has excellent bonding capacity on many kinds of base materials.
*Cures to form an extremely tough electrometric rubber ensuring a durable, flexible, watertight bond.
*Excellent weather ability and high resistance to ultraviolet radiation, heat and humidity, ozone and temperature extremes
*12-month shelf life.
*100% silicone sealant.

MAIN APPLICATION
this silicone sealant could be used on structural bonding and sealing on glass, stone, glass light roof, and aluminum plate glass curtain wall and other metal structure
The secondary bonding and sealing for insulating glass, as well as other industrial building material

TYPICAL TECHNOLOGICAL DATA
No.
Items
Standard code
Inspection result
Single qualification
1
Appearance
Exquisite, even cream, no bubble, agglomeration, gel or skinning, no uneasily dispersed precipitate
Up to the standard code
Qualified
2
Slump
Upright placed
mm
≤3
0
Qualified
Level placed

Unaltered
Unaltered
3
Application life, at 20min, s
≤10
2.8
Qualified
4
Tack-free time, h
≤3
0.5
Qualified
5
Hardness, Shore A
20~60
45
Qualified
6
Elongation percentage at ultimate tensile strength at 23°C,%
≥100
115
Qualified
7
Tensile modulus at 23°C
MPa
10% elongation
-
0.29
/
20% elongation
-
0.40
/
40% elongation
-
0.54
/
8
Heat aging
thermogravimetry, %
≤10
3.2

Qualified
Crazing
Nonexistence
Nonexistence

Chalking
Nonexistence
Nonexistence


OPERATIVE NORM
1MG GB16776-2005