SikaDamp®-115
SikaDamp®-115 is a standard heavy layer, flexible bitumen foil for sound deadening and sound damping applications on steel substrate. The bitumen foil is filled with mineral material and polymers. SikaDamp®-115 is equipped with a high-grade acrylic based self-adhesive system. A hot melt is applied as antiblocking agent. For plastic substrates the PSA can be equipped with a chemical barrier foil. The odor of SikaDamp®-115 is negligible in household appliances in operation up to 80 °C. At higher temperatures, a slight bitumen odor may be perceptible temporarily.
- Sound deadener
- Sound damping
- Bitumen heavy foil covered with hot melt as antiblocking agent
- Acrylic based pressure sensitive adhesive
- Customized die-cut parts or sheets
PRODUCT BENEFITS
- Sound deadener
- Sound damping
- Bitumen heavy foil covered with hot melt as antiblocking agent
- Acrylic based pressure sensitive adhesive
- Customized die-cut parts or sheets
Areas of Application
SikaDamp®-115 was initially developed for the noise damping in the field of household appliances, such as dishwashers (steel tub), washing machine, tumble dryer and small appliances. It can as well be used in other industrial fields, where damping with high density bitumen foils is required.This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed ensuring adhesion and material compatibility.
Packaging
Sika is delivering the finished and die-cut products on returnable steel pallets, whereas the parts are placed in the correct position for further processing.
As alternative wooden one-way packaging, multiuse grid boxes and card boxes would be available.
Product Details
| Chemical base | Polymer modified bitumen, mineral filler | |
| Color (CQP001-1) | mastic layer | Black |
| Density | mastic layer | 1.9 g/cm³ |
| Total thickness (DIN ISO 1849-1/2) | 1.8 ─ 4 mm | |
| Area weight (CQP008-4) | depending on thickness | 3.5 ─ 7.6 kg/m² |
| Application temperature | substrate, product | 20 ─ 35 °C |
| Loss factor (ISO 6721-3) | see diagram | |
| Flammability (DIN 75200) | 100 mm/min | |
| Shelf life | 4 months |
| CQP = Corporate Quality Procedure |
Application
Surface preparation
Surfaces must be clean, dry and free from grease, oil, water and dust.
Application
For full-surface bonding of the self-adhesive bituminous mats, it is necessary to preheat the mats and the surface to be bonded.
The recommended temperature is at least 25 °C. After removing the release paper and applying the bituminous mat to the substrate, press the mat with a roller to achieve a good wet-out of the pressure sensitive adhesive. The recommended press roll weight is approx. 2 kg.
It is necessary to ensure that all bonding surfaces are rolled in order to achieve a secure bond.
For information regarding typical loss factors, see diagram 1. The layer structure is shown in figure 1.
Diagram 1: Loss factor SikaDamp®-115 at 200 Hz
Figure 1: 1) Antiblocking agent, 2) Bitumen heavy foil, 3) PSA
STORAGE CONDITIONS
SikaDamp®-115 has to be stored dry and protected from UV light. The storage temperature is between 0 °C and 35 °C. Consider, that at temperature below 15 °C the bitumen starts to get brittle and can break. Therefore, if products are sourced from a cold storage it must be handled with care.
Ensure that the product has reached the defined application temperature before it is applied. This might be realized by storing the parts for 24 to 48 hours prior application at the assembly line.
Note: Storage outside of standard conditions can affect the shelf life.