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Аксессуары для установки в чистых помещениях
Пеноуретанный герметичный материал
A controlled-expansion polyurethane foam for insulating and filling concealed gaps around cleanroom frames, panels and service openings.
- Controlled Gap Expansion
- Thermal and Acoustic Fill
- Strong Substrate Adhesion
- Trim-and-Finish Surface
Введение продукции
Polyurethane foam sealant is dispensed from a pressurized aerosol can as a moisture-reactive cellular material. It expands within irregular concealed voids, adheres to many common construction substrates and cures into a lightweight insulating fill that can be trimmed after hardening. In cleanroom work it is normally kept behind the exposed hygienic finish, with the accessible joint subsequently closed using a smooth compatible sealant or trim profile.
Основные характеристики
The cured closed- and open-cell structure reduces uncontrolled air movement through concealed gaps.
Adhesion to compatible concrete, masonry, timber, metal and rigid insulation stabilizes the filled cavity.
Hardened excess can be cut back to receive a cleanable cover trim or surface seal.
Обеспокоенность клиентов продуктами
Irregular installation cavities need a continuous insulating fill without allowing expanding foam to become the exposed cleanroom surface.
Rigid packing leaves small inaccessible voids behind frames.Fresh foam expands into uneven spaces and bonds to prepared cavity surfaces.
Excessive expansion can bow lightweight panels or distort frames.A low- or controlled-expansion grade is applied in measured lifts with room left for curing growth.
Exposed cellular foam is difficult to clean and can degrade under light.The cured fill is trimmed below the face and protected by a smooth compatible sealant or cover profile.
Dry or dusty substrates produce weak and uneven cure.Surfaces are cleaned and lightly conditioned with moisture where the selected product instructions permit.
Типичные приложения
Door and window frame backfillingConcealed cleanroom panel perimeter gapsService sleeve annular voidsCeiling and partition installation cavitiesInsulating gaps behind hygienic trims
Технические параметры
Typical construction and application ranges for a one-component aerosol polyurethane foam sealant are shown below.
| Основной материал | One-component moisture-curing polyurethane prepolymer and propellant |
|---|---|
| Толщина панели | 10-80 mm practical filled cavity depth per controlled application |
| эффективная ширина | 10-50 mm recommended concealed gap width |
| Максимальная длина | Up to 30000 mm indicative bead length per 750 mL can, depending on bead size |
| Толщина линий стали | 0.40-1.20 mm compatible cleanroom panel or frame facing |
| Плотность ядра | Approximately 15-30 kg/m³ free-rise cured foam density |
| Теплопроводимость | Approximately 0.033-0.040 W/(m·K) for cured foam |
| Поверхностная отделка | Trimmed cellular foam concealed beneath a cleanable sealant or cover trim |
| Объединенный тип | Concealed frame, perimeter or penetration cavity fill |
| Customization | Доступно в зависимости от предполагаемого применения и операционной среды. |
Доступные варианты
Straw-applied or gun-grade canLow-expansion frame gradeSummer or winter application gradeStandard yellow or off-white cured foam
Planning a Polyurethane Foam Sealant specification?
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