Apollo Sealant A250 Silicone is a one-component acid-cured silicone sealant that has strong adhesion to material surfaces, high elasticity, and can withstand all harsh weather conditions. The product does not discolor or crack when used outdoors. With similar properties and features to Apollo Silicone A300, Apollo A250 was created to diversify user choices.

Product application

Because of its many outstanding advantages, Apollo A250 sealant is a suitable choice for many construction projects. This product can be used for many filling and bonding purposes such as gluing glass, sealing edges, waterproofing windows, doors and interior decoration systems...

Product benefits

Apollo Silicone Sealant A250 product brings users the following benefits:

• The product has the ability to attach and bond surfaces easily.

• Can withstand the impact of harsh weather, almost unaffected by sun, rain, snow, ozone or high temperature, ... the product always ensures superior bonding quality.

• In addition, this heat-resistant silicone sealant is also highly appreciated, even when exposed to 40-degree sunlight, it still does not degenerate or melt.

• Easy to use. Easy to apply – ready to use right out of the box.

• High recovery ability after stretching and compression

Product Features

• Vulcanizes at room temperature upon exposure to atmospheric moisture

• One-component acid-curing silicone sealant

• Easier to use than non-silicone products

• Perfect adhesion on glass

• After vulcanization, it forms a plastic with elastic properties like rubber.

• Good shape, no sagging

• Wide temperature range: -50°C to 150°C

Product Features

As supplied – tested at 25°C, 50% relative humidity

• Settlement, sagging: No

• Estimated working time (minutes): 5

• Surface curing time (minutes): 8

• Cure rate and working time will vary depending on temperature and humidity.

• Specific gravity (Kg/L) (clear): 1.01

• Specific gravity (Kg/L) (other colors): 1.35

After curing – after 7 days at 25°C, 50% relative humidity

• Hardness test piece, column A, points (transparent): 22

• Hardness gauge, A-pillar, points (different color): 36

• Maximum tensile strength according to ASTM D412 (MPa): 1.5

• Maximum elongation according to ASTM D412: 500%

• Temperature stability: -50 degrees C to 150 degrees C