CrystalSeal

CrystalSeal is a crystal clear, one part, neutral cure sealant and adhesive based on Hy-Spec Hybrid Technology.

CrystalSeal cures to a permanently highly elastic and durable compound, suitable for almost all sealing and adhesive applications where an invisible joint is required.

It offers outstanding performance across a wide variety of industrial applications. It has excellent adhesion to glass, timber, metals, brickwork, most plastics and concrete and does not normally require a primer.

KEY FEATURES

• Crystal clear formulation
• Neutral system, free from isocyanates and silicones
• Permanently flexible
• High strength
• Low odour and no shrinkage
• Paintable
• Can be applied to damp surfaces

PROPERTIES

Application temperature range: +5°C to +30°C

Curing rate: Cures at a rate of 3-4mm in 24 hours at 23°C @ 50% RH. Lower temperatures and drier conditions will result in a slower rate of cure

Shelf life: 12 months in original unopened packaging at temperatures of +5°C to +25°C.

Skinning time: Skin forms after approximately 30 minutes.

Working time: Approximately 30 minutes depending on conditions.

INSTRUCTIONS

Joint design: Please consult the Technical Information Sheet entitled ‘Joint design for cartridge-based products’ prior to application.

Surface preparation: All surfaces must be clean, dry and free from frost, grease and loose materials. Apply primer if required. Install bond breaker to prevent bond at the base of joint where necessary. Most substrates only require priming if testing indicates a need or where sealant will be subjected to water immersion after cure. Cut the top of the screw thread off the cartridge and screw on the nozzle. Cut nozzle to correct diameter for joint size. Apply using a skeleton or powered gun into the joint ensuring good contact with surfaces. In deep joints, the use of Hodgson Backing Rod is essential to ensure good joint formation. In situations where an especially neat finish is required, use masking tape to cover the face edges of the joint and remove immediately once tooling has been completed.