Product Page Content – BOSS® 315 Silicone Adhesive/Sealant

BOSS® 315 RTV Silicone is a one-component, 100% RTV adhesive/sealant with a paste-like consistency that cures upon exposure to moisture in the air, forming a tough and flexible rubber. Its non-sagging formula allows for overhead and vertical applications without slumping or running.

Features & Benefits

• Excellent resistance to weather, moisture, ozone, and vibration.

• Remains flexible over a wide temperature range: -40°F to +400°F (-40°C to +204°C).

• Can be applied even in sub-zero conditions without loss of performance.

• Strong adhesion to metals, glass, ceramics, wood, vulcanized rubber, and many plastics.

• Provides electrical insulation and complies with international standards (ASTM C920, NSF 51, UL).

Common Applications

• Sealing oven doors, flues, and gas appliances.

• Automotive and trailer sealing – trims, cabs, and bodywork.

• HVAC ductwork, sheet metal stacks, and equipment housings.

• Marine cabins and window sealing.

• Bonding gaskets in heating and refrigeration systems.

• Formed-in-place gaskets for gearboxes, compressors, and pumps.

• Bonding signs, letters, and brackets without screws.

Supplied in a 3oz tube (approx. 90 ml).