Back stickrubber waterstop
Specification
Material: rubber.
Species: EP type (without center bulb), EB type (with center bulb).
Length, width and thickness can be customized.
Due to stem has many species, customers should provide drawing.
Back Stick Rubber Waterstop Properties
Number Item Index
B S J
1 Hardness (shore A) 60±5 60±5 60±5
2 Tensile Strength (MPa) ≥ 15 12 10
3 Elongation at Break % ≥ 380 380 380
4 Compression Set 70°C × 24 h % ≤ 35 35 35
23°C × 168 h % ≤ 20 20 20
5 Tearing Strength KN/m 30 25 25
6 Brittleness Temperature °C ≤ -45 -40 -40
7 Hot Air Aging 70°C × 168 h Hardness (shore A) ≤ +8 +8 -
Tensile Strength (MPa) ≥ 12 10 -
Elongation at Break % ≥ 300 300 -
100°C × 168 h Hardness (shore A) ≤ - - +8
Tensile Strength (MPa) ≥ - - 9
Elongation at Break % ≥ - - 250
8 Ozone aging 50 pphm: 20%, 48 h Grade 2 Grade 2 Grade 0
Note: If there are other requirements, inspection items can be appropriately added according to buyer and seller. If evaluating mold test in line with users, its anti-mold property should be equal
to or above Grade 2.
Feature
Adapt the deformation of concrete.
High elasticity and tensile strength.
Can arise compression deformation under various loads.
Resistant to wear, aging, rust, corrosion.
Good waterproof performance.
Easy to install.
Long life.
Application
Back stick rubber waterstop is used in construction joints, settlement joints and movement joints to prevent water leakage and seepage, absorb shock, ensure the life of project. The structures
include underground project, dam, cistern, swimming pool, roof, reservoir, culvert, tunnel, aqueduct, basement, artificial lake, sewage treatment plant, etc.