JOIN LEADER 300 All Purpose Acrylic Sealant is a one part, general-purpose, water-based low modulus RTV sealant. It is flexible and paintable.
JOIN LEADER 300 All Purpose Acrylic Sealant provides excellent adhesion to most surfaces. Its long lasting flexibility allows continuous expansion and contraction without cracking or shrinking.
It is easy to apply and compatible with most materials used in construction e.g. concrete, wood, brick, natural and artificial stone, glass, metal and sanitary-ware.
Safe-Solvent free, water based
Flexible without cracking
Ideal for bathroom, shower room, kitchen
East to use - one part no mixing
Environmental friendly, easily clean up with water
Good weatherability and UV stability
Excellent gunnability (5°C to 50°C)
Good adhesion to wood, concrete, metal and marble without primer
As Supplied – tested at 23°C±2°C, RH50%±5%:
Item Data Standard
Aspect: Tixotropic Paste
Gravity, g/cm3 1.5~1.6
Sag/Slump, mm ≤2 ASTM D2202-00(2006)
Tack Free Time, min. ≤25 GB/T 13477.5-2002
Extrudability, ml/min. ≥80 GB/T 13477.3-2002
Service Temp, °C -10 ~+80
Application Temp, °C +5~+50
As Supplied – tested at 23°C±2°C, RH50%±5% 7 days :
Hardness, 24H,Shore A ≥25 ASTM D2240-05
Hardness, 7d, Shore A ≥40 ASTM D2240-05
Depth of curing, 24H, mm ≥2 ASTM C1184-05
Depth of curing, 7d, mm ≥6 ASTM C1184-05
Recovery of elastic, % ≥35 GB/T 13477.17-2002
Elongation at break, % ≥50 GB/T1040.2-2006
Solid Content, % ≥80 ASTM D1489-97(2004)
Shrinkage, %: ≤20
Tensile modulus(MAX), MPa ≥0.35 GB/T 13477.8-2002
Adhesion Properties non-destruction
JOIN LEADER 300 All Purpose Acrylic Sealant can be widely used for sealing gaps and cracks prior to paint; perimeter sealing around window frames, architraves, skirting boards, picture and china rails; sealing around vanities and bath; internal corners of walls, cracks, joints and gaps where rigid fillers crack.
JOIN LEADER 300 All Purpose Acrylic Sealant can be used for joining & sealing a variety of building materials & construction elements that are likely to undergo moderate movement.
JOIN LEADER 300 All Purpose Acrylic Sealant is suitable for repairs cracks in walls, skirting boards, doors & windows and seals between plaster board panels, ceiling boards, cornices, & decorative ceiling panels.
24 months in unopened packaging in a cool and dry storage place at temperatures between +5°C and 25°C.