Dowsil 781 Acetoxy Silicone Sealant – Box of 12

Dowsil 781 offers good adhesion to a range of non-porous surfaces including glass, aluminium, painted surfaces and composite boards.

HOW TO USE

SURFACE PREPARATION

Ensure that surfaces to be sealed are clean, dry, sound and free from frost, release agents, old sealants and other contaminants which could impair adhesion. All surfaces should be cleaned by wiping with a suitable solvent such as DOWSIL R40 Universal Cleaner on a clean oil- and lint-free cloth before application of sealant.

Note: When using any solvent, always provide adequate ventilation. Avoid heat, sparks and open flames. Use solvent resistant gloves. Observe and follow all precautions listed on solvent container label.

MASKING

Areas adjacent to the joints should be masked with tape to prevent contamination of the substrates and to ensure a neat sealant line. Masking tape should be removed immediately after tooling.

PRIMING

All joint surfaces other than glass and glazed ceramics should be primed. Furthermore, for specific advice, please refer to the DOWSIL ® Primers’ Guide or contact one of Dowsil’s Regional Service Centre for technical assistance.