About fischer rapid installation foam PU Pro 750 B3
The fischer rapid installation foam Premium PU 750 is ideal for the filling, insulation and isolation of window connection joints and the filling of the connection joints of door frames, finished elements, wall connections, wall penetrations and cavities. It has extremely high joint sound insulation. The test report for water pressure resistance confirms its suitability as a fountain foam. The fischer adapter foam PU 750 dispenser is fitted with the fischer FixAdapter, which enables the further use of opened cans. The solid valve offers top security against blockages and the loss of gas. Protective gloves for end users are included.
High Efficiency and Quick CuringPU Pro 750 B3 stands out for its rapid tack-free time of just 8-10 minutes and is ready for cutting within 45-60 minutes (at 23C, 50% RH). With a high expansion rate, each can delivers up to 42 liters of rigid, durable foam. This rapid setup accelerates construction work, allowing tradespeople to proceed with other tasks swiftly and efficiently.
Outstanding Adhesion and VersatilityEngineered for excellent adhesion, the foam bonds reliably to common building substrates, including concrete, stone, brick, and metal, as well as most plastics (excluding polyethylene, polypropylene, and PTFE). Its rigid, fine-cell structure creates strong seals for gap filling, insulating, and general fixing. It is suitable for various professional construction and installation needs.
Safe and Convenient ApplicationPackaged in a manageable aerosol can, PU Pro 750 B3 is straightforward to use-just shake before application and apply to clean, slightly dampened surfaces. For safety, uncured foam contains isocyanates, so use in well-ventilated areas and wear appropriate protection. Cured foam is non-poisonous and holds up in temperatures from -40C to +90C, making it reliable in diverse environments.
FAQ's of fischer rapid installation foam PU Pro 750 B3:
Q: How should fischer rapid installation foam PU Pro 750 B3 be applied for the best results?
A: Before use, shake the can thoroughly and attach the adapter or application gun. Apply the foam to clean, slightly dampened surfaces for optimal adhesion. The foam is dispensed in liquid form and expands rapidly, so fill gaps partially and allow for further expansion. Work with the can upright and follow proper safety precautions due to isocyanate content in the uncured state.
Q: What surfaces can this foam adhere to, and are there any restrictions?
A: PU Pro 750 B3 adheres excellently to common construction materials such as concrete, brick, stone, metal, and most plastics. However, it will not bond to materials like polyethylene (PE), polypropylene (PP), or PTFE. Avoid applying foam to these surfaces for effective results.
Q: When is the foam ready for further work after application, such as cutting or shaping?
A: After dispensing, the foam becomes tack free in 8-10 minutes. It can be cut, trimmed, or shaped after 45-60 minutes when a standard 20 mm bead is applied at 23C and 50% relative humidity. This efficiency allows you to continue your construction tasks with minimal delay.
Q: Where is the ideal storage location for unused PU Pro 750 B3 cans?
A: Unopened cans should be stored upright in a cool, dry area between 5C and 25C, away from direct sunlight and heat sources. Proper storage ensures the foam remains usable for up to 15 months from the manufacture date.
Q: What are the main benefits of using this rapid installation foam in construction projects?
A: This foam offers high yield (up to 42 liters per can), quick curing times, excellent thermal insulation, and low water absorption (under 1% after 24 hours). It is versatile for use in filling, sealing, and insulating gaps, providing a reliable solution for both indoor and outdoor construction requirements.
Q: Is the product safe to use, and does it have any notable odors or toxicity concerns?
A: The foam has a mild chemical smell typical of polyurethane systems. While the uncured foam contains isocyanates and should be handled with proper safety equipment (gloves, adequate ventilation), the cured product is non-poisonous and safe for typical construction environments.
Q: What is the recommended process to ensure the maximum shelf life of the foam can?
A: Ensure that cans remain unopened, are stored upright, and kept between 5C and 25C, protected from direct sunlight and extreme temperatures. These conditions will help maintain the foam's efficacy and shelf life for up to 15 months from production.