BOSTIK 940A

Harmonization Code : 3919.10.80 | Other self-adhesive plastic rolls not exceeding 20 cm wide.

BOSTIK 940A

Main features

  • Extended Open Time for Large Applications
  • UV-Resistant Marine Bonding and Sealing
  • Sandable and Paintable After Cure

Product Description

Bostik 940A Marine Adhesive/Sealant is a one-component silyl modified polymer (SMP) adhesive/sealant for marine bonding and sealing. Its slower skin formation provides extended open and working time for larger applications, while the cured material is formulated for harsh marine exposure. The product offers UV resistance with non-yellowing performance and can be sanded or painted after cure. It adheres to porous and nonporous materials in most applications without a primer and is suited to marine joints where weather exposure and finishability influence material selection.

Key features

  • Extended working time: Slower skin formation provides longer open and working time, especially for larger applications.
  • Marine UV resistance: Formulated for harsh marine environments with UV-resistant, non-yellowing performance.
  • Finish after cure: Cured material can be sanded or painted.

Applications

Marine bonding and sealing where UV or weather exposure is expected.

Product Family

BOSTIK 940A

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TDS, SDS & Technical Documents

Technical Specifications

Physical Properties
Skin Time
35 minutes
Mechanical Properties
Elongation
Elongation is the process of lengthening something. It is a percentage that measures the initial, unstressed, length compared to the length of the material right before it breaks. It is commonly referred to as Ultimate Elongation or Tensile Elongation at break.
225 %
General Properties
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.4

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