Sikaplan WT 4220-15C is a waterproofing membrane with a glass fiber insert, based on flexible polyolefins (FPO-PE). The product is used for waterproofing a drinking water tank.

Features

• free from solvent, fungicide, heavy metals, halogen and plasticizer
• approved for contact with drinking water
• high tensile strength and elongation
• resistant to microbilogical attack
• resistance to aggressive (soft) water for concrete
• joining by hot air welding
• resistant to permanent exposure to water up to +40 ° C
• flexible at low temperatures
• possibility of laying on moist and wet surfaces

Technical data

• glass fiber reinforced membrane with smooth surface, supplied in rolls; light blue color
• thickness 1.50 mm (-5 / + 10%; according to PN-EN 1849-2)
• area weight 1.42 kg / m ² (-5 / + 10%; according to PN-EN 1849-2)
• thermal expansion 120 x 10 ^-6 1 / K (30 x 10 ^{- 6} ; according to ASTM D 696-91)
• water resistance <10 ^-7 m ³ xm ^-2 xd ^-1 (according to PN-EN 14150)
• tensile strength: longitudinal 17.5 N / mm ² (2.5); transverse 14.0 N / mm ² (2.0) (according to ISO 527-1 / 3/5)
• tear strength: longitudinal ≥ 120 kN / m; transverse ≥ 120 kN / m (according to ISO 34 method B, V = 50 mm / min)
• elongation: longitudinal ≥ 480%; transverse ≥ 500% (according to ISO 527-1 / 3/5)
• bulging resistance ≥ 50% (according to EN 14151; D = 1.0m)
• static puncture 3.00 kN (0.4; according to EN ISO 12236)
• bendability at low temperatures - no cracks at 50 ° C (PN-EN 495-5)
• resistance to microorganisms - change in tensile strength ≤ 10%; change in elongation ≤ 10% (according to EN 12225; ISO 527-3 / 5)
• oxidation - change in tensile strength ≤ 15%, change in elongation ≤ 15% (according to EN 14575; ISO 527-3 / 5)
• stress corrosion cracking due to environmental influences ≥ 200 h (according to ASTM D 5397-99)
• root resistance meets (according to EN 14416)
• substrate temperature during application from 0 C to +35 C, ambient temperature from +5 C to +35 C
• unit weight 1.42 kg / m ²
• storage conditions: rolls of material should be stored horizontally in their original packaging in dry and cool conditions; protect from sun, rain, snow and ice
• width 2.0 m
• length 20.0 m