Keo U-Seal 207 Plus
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U-Seal 207 Plus | AGR aftermarket and BTR industry one-part polyurethane direct glazing & structural bonding adhesive

U-Seal 207 Plus is a general purpose one-component, flexible and high performance polyurethane adhesive for auto glass replacement aftermarket and bus, truck and rail industry direct glazing and general assembly. Resistant to UV radiation, weathering and ageing.

  • One-component polyurethane.
  • Solvent free, odorless.
  • Short cut-off string.
  • Suitable for cold and warm application.
  • Outstanding thixotropy, good decking, non-sagging.
  • High Modulus – maintains torsional rigidity and increases the vehicles NVH values.
  • Capable of withstanding high dynamic stresses.
  • High UV, weathering and ageing resistance and color stability Suitable for use with integral aerials
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Applications

Specifically designed for windshield bonding in the automotive glass replacement market, as well as side and rear windows for cars, trucks, tractors, and special vehicles. This product is also used for bonding fiberglass-reinforced plastic components (such as roofs, side panels, and front panels) on vehicles. It can be applied in any situation requiring strong elastic structural bonding between different materials (automotive coatings, metal sheets, fiberglass, and reinforced plastics) that are subject to significant mechanical or thermal stresses.

DRIVE AWAY TIME (DAT)

  • Drive Away Time: 3 hours.
  • On vehicles fitted with both driver and passenger airbags.

U-Seal 207 Plus is compliant to Federal Motor Vehicle Safety Standard 212 and all long-term durability requirements according to the full range of N.P.T laboratory Data.

Technical data

Appearance Non-sag thixotropic paste
Color Black
Chemical nature Polyurethane
Curing Mechanism Moisture-curing
Curing through volume [mm] (NPT Method 07) (24h – 23°C and 50% RH) ca. 3.1
Hardness Shore A (DIN 53505) ca. 58
Density [g/cm³ (NPT method 06) (23°C and 50% RH) ca. 1.23
Skin time [min] (NPT Method 17) (23°C and 50% RH) ca. 25
Tensile strength [N/mm²] (ISO 37 DIN 53504) ca. 10
Elongation at break [%] (ISO 37 DIN 53504) ca. 600
Electrical volume resistivity [n.cm] (DIN IEC 93) 107
Application temperature [°C] From +5 to +40
Temperature Resistance [°C] From -40 to +100, with brief points up to +140

Datasheet

U-seal 207 Plus datasheet

Instructions for Use

Fit the bag into a manual or pneumatic air operated gun (provided with telescopic piston). The surfaces to be treated should be perfectly clean, dry and free from dust and grease. It is necessary to treat the windscreen and its bonding surface according to NPT application guidelines, using a specific CLEANER or ACTIVATOR from NPT range and black primer U-PRIMER 130. It is advisable to carry out preliminary adhesion tests on the support. Specific guidance regarding the use of primers may be obtained by submitting substrate samples to our laboratories.

Do not cure in the presence of curing silicone sealants. Avoid contact with alcohol and other solvent cleaners during cure. When applying sealant, avoid air-entrapment. Since system is moisture-cured, permit sufficient exposure to air. Bonded elements may require additional holding or support during curing period. Tooling and finishing must be carried out within the tack-free time of the sealant.

Cleaning Instructions

Clean the tools used with acetone or solvent. When the adhesive has not yet hardened, it can be removed using paper or a cloth. Once hardened, the product can only be removed mechanically. Avoid skin contact by using latex, rubber or polyethylene gloves. If it comes in contact with the skin, remove immediately and wash with soap and water.

Storage Instructions

U-Seal 207 Plus can be stored for 12 months in its original packaging (unopened container) between 10°C and 25°C in a cool, dry place. The storage temperature should not exceed 25°C for extended periods of time. Keep away from wet areas, direct sunlight and heat sources.

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