Brand Bondmaster Application Type Bond, Seal, Adhesive: Instant Adhesives 1 Part or 2 Part 1 Part Material Form Liquid Substrate Acrylic, Plastics, Polyolefins, Polycarbonate, PVC Manufacturer Henkel Chemistry Acrylate Mixture Cure Method UV Cure Time (min) Fast, 0.02 to 0.05 Viscosity (cPs) 35,000 Color Clear light yellow, Clear light yellow Chemical Resistance Good detergent resistance, Carpet and floor cleaner solutions Other Resistance Good thermal cycling resistance
Technical Data for Henkel Lite-Lok 495
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
- Construction - Carpet
- Drug/Pharmaceutical - Detergent, Floor cleaner solutions
- Acrylic - Acrylate Mixture
- Dispenser - Piston pump dispensing system, Pressure pot
- UV / Visible Light - UV
- Clear / Transparent - Clear light yellow
- Yellow - Clear light yellow
Cure Time (min) Fast, 0.02 to 0.05 Viscosity (cPs) 35,000 Test Method
Structural/Load-Bearing Strutural Impact Strength (psi) Impact strength
Chemical Resistance Good detergent resistance, Carpet and floor cleaner solutions Impact Resistance Good impact resistance Moisture/Humidity Resistance Good water resistance Other Resistance Good thermal cycling resistance
Specific Gravity 1.070 Flash Point (°F) >212.0 % Solids (%) 100
Shelf Life Details Uncured, A shelf life of six months when stored at 2°C-27°C (35°F-80°F). Shelf Life Temperature (°F) 68, 36 to 81 Shelf Life (mon) 6, 6
Best Practices for Henkel Lite-Lok 495
LITE-LOK 495 bonds well to many untreated surfaces. However, adhesion is often improved by surface preparation before bonding. The surface should be free of contamination such as dirt, dust, grease or oil. An alcohol wipe is suitable for cleaning most surfaces. Optimum strength is obtained by abrading the surface followed by a solvent wipe to remove any loose particles. Polyolefins must be corona treated, or flame treated before bonding.
LITE-LOK 495 is best applied by extruding the product onto the substrate to be bonded using a dispensing tip. Sufficient product must be applied to seal all gaps, and completely coat the part to be bonded or sealed. After dispensing onto the part, the product should be cured as soon as possible to prevent any pre-reaction with ambient light.
LITE-LOK 495 may be applied via a pressure pot, or piston pump dispensing system. All fittings and tubing used in the dispensing system must be opaque to light.
Optimum cure is obtained when LITE-LOK 495 is exposed to high intensity UV-A light. The peak reactivity of the product is from exposure to light of wavelength from 325 nm through 365 nm. The time needed for curing is a combination of many factors. Some of these are:
The thicker the substrate, the longer the exposure time needed for curing. The more UV light absorbing that the substrate is, the longer the exposure time needed for curing. The lower that the intensity of the UV light source is, the longer the exposure time needed for curing. The farther the distance of the product from the UV light source, the longer the exposure time needed for curing.
Typically, LITE-LOK 495 will cure after a UV light exposure from one to three seconds, when cured at or near the focal point of a high intensity UV light source.
To achieve complete cure, all of the product must be exposed to the UV light source.
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