STS990 Neutral Curing Structural Silicone Sealant

STS990 StructuralGlazing Silicone Sealant is aone-component, acid curing, specially for the large plate glass and glass show cabinets installation and seal.

Applications: 1.Aquarium 2.Large plate galss 3.Glass show cabinets and display case 4.Aluminum-alloy door and window 5.General caulking and watertight seal 6.Glass, wood, ceramic tiles, cements, concreat etc.

Properties before curing

Specific gravity (ISO R 1183), g/cm³

1.03

Flow resistance (ISO 7390),mm

0

Viscosity, Pa.s

300

Extrusion rate g/min

35

Skin formaiton time, min

6

Tack free time, min

20

Properties after curing

Shore A hardness (ISO 868)

25

Elastic recovery (ISO 7389)

95%

Ioint movement capability

Modulus at 100% (ISO8339),Mpa

0.48

Tensile strength (ISO 8339),Mpa

1

Elongation at break (ISO 8339)

250%