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screwfix grout sealant for flooring installation
Substrate: PU polymer
DM233 is a one-component polyurethane sealant based on PU polymers, moisture curing type. The curing speed of mortar is related to the temperature and humidity of the environment. Under high-temperature or high-humidity conditions, it will be quickly crusted. Low-temperature and low-humidity will delay the curing process. The final curing time is also related to the thickness of the glue applied.
DM233 is with moderate modulus, moderate leveling, good elongation, good resilience, suitable for a variety of porous and non-porous materials, with good adhesion, can be painted on surface and has other significant features , can be as used for bonding floors.
Features & Advantages
l With good elasticity.
l Odorless, low VOC, PVC free, safe to use.
l Good resistance to cold and hot weather alternation, over 10 years of service life.
l After curing, the shrinkage rate is very low, and the leveling property is moderate, which can fit well with the bonding surface.
l It can be applied for the sealing of all kinds of floors with ground, with good sound insulation and shock absorption.
l Low temperature resistance, in the range of -40 ℃ ~ 90 ℃, can maintain good flexibility and adhesion.
l No primer required.
Typical applications
DM233 is suitable for the elastic sealing of most substrate joints, including stainless steel, aluminum, copper, PVC, polyester, ceramics, wood, coating, etc. However, it does not apply to PPP and TFE materials. In the decoration industry is widely used in the construction of various floors.
Application area
l Bonding, sound insulation and shock absorption of floor and ground in the decoration area.
l Bonding of container wood floor and the compartment.
Application tips
l The bonded surface must be clean, dry and free of putty before bonding.
l Substrates that may seep out of oil are not suitable for direct application of sealant.
l For rusted or corroded metal surfaces (such as aluminum oxide, copper, iron oxide rust surface), in order to ensure the bonding effect, the rust on the surface layer needs to be worn off before coating.
l Due to the construction environment, construction methods, and material differences, pre-testing is required before use to ensure adhesion performance.
l The optimal coating temperature is +15 ~ +40°C. When the temperature is low, the extrusion resistance increases, warm up the adhesive before use.
TDS
Indicator | Parameter |
Color | White, other colors customized |
Outer appearance | Paste |
Density, g/cm³ | 1.45±0.03 |
Consistency | 7.7±0.2 |
Hardness, Shore A | 45±2 |
Extrusion. ml/min | ≥150 |
Sag rate, mm | 2 |
Surface dry time, min | 25-40 |
Curing speed, mm/24h | 3.0-5.0 |
Peel adhesion, Cohesive destruction, % | ≥70 |
Elongation at break, % | ≥400 |
Tensile Strength, Mpa | ≥1.0 |
Breaking strength, Kn/m | ≥10 |
Test under situation: 23℃×50%RH×28days
