Cleanroom Cleaning, Disinfection and Sterilization

Sterile IPA Solution

A ready-to-use sterile 70% v/v isopropyl alcohol solution for controlled wiping and spray application on compatible hard cleanroom surfaces.

Premixed 70/30 IPA-to-water ratio removes on-site dilution variability
Filtered sterile-format solution supports transfer into critical processing areas
Low-residue evaporation suits frequent cleaning between production activities

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Product Introduction

Sterile IPA Solution is a clear, colorless, ready-to-use blend of 70% v/v isopropyl alcohol and 30% WFI-quality or purified water. It is intended for compatible, hard, nonporous surfaces in pharmaceutical, biotechnology, medical-device, and other controlled environments. Protected trigger bottles support targeted spray or broad surface coverage without routine decanting, while capped bulk containers suit validated mop or wipe preparation. Double- or triple-bagged configurations simplify staged material transfer. Because IPA is flammable and is not a sporicide, each facility should define surface compatibility, application method, ventilation, ignition control, and disinfectant rotation in its approved procedure.

Key Features

Ready-to-use 70% v/v IPA and 30% high-purity water formulation

Clear, colorless liquid with rapid, low-residue evaporation

0.2 or 0.22 micron filtration configurations

Sterile presentation available through terminal irradiation

Protected trigger system helps reduce air ingress during dispensing

Tamper-evident closure supports controlled receipt and storage

Double- or triple-bagged formats for staged cleanroom transfer

Trigger, capped bulk, and bag-on-valve dispensing options

Customer Product Concerns

IPA transferred from bulk stock can be diluted incorrectly, exposed to particles, or contaminated through repeated container opening. Conventional spray heads may draw room air back into the bottle, while unsuitable packaging makes cleanroom transfer awkward. Fast evaporation also means operators need a defined application volume and wiping pattern to achieve complete, repeatable surface coverage.

How is the prepared alcohol concentration kept consistent?The sealed ready-to-use 70/30 blend removes operator measuring and dilution steps, while tamper-evident packaging protects the prepared formulation before opening.

Can the contents remain protected during repeated spraying?A protected trigger configuration limits air return into the bottle during dispensing. Facilities can select conventional sealed triggers, closed delivery systems, or single-use formats to match the required control strategy.

Will the solution leave visible deposits on critical surfaces?High-purity IPA and WFI-quality or purified water support rapid evaporation with minimal nonvolatile residue. A qualified wipe, correct application volume, and one-direction wiping pattern help remove loosened contamination rather than redistribute it.

How can packaged bottles move through cleanroom transfer stages?Double- or triple-bagged presentations allow outer layers to be removed sequentially at defined transfer boundaries without exposing the primary bottle prematurely.

Is sterile IPA suitable for every disinfection requirement?IPA is useful for routine treatment of compatible hard surfaces but does not replace a validated sporicide. The facility should define chemistry rotation, wet-contact method, material compatibility, ventilation, and control of ignition sources.

Typical Applications

Aseptic processing room hard-surface disinfectionCleanroom workbench and equipment exterior wipingIsolator and restricted-access barrier system surfacesGloved-hand disinfection where the approved procedure permitsMaterial transfer wipe-down before entry to higher-grade areasResidue removal after compatible cleaning or disinfection chemistryPharmaceutical and biotechnology production support spacesMedical-device controlled manufacturing environments

Technical Parameters

An aqueous 70% v/v isopropyl alcohol blend balances alcohol action with sufficient water to wet a hard surface before evaporation. The solution is commonly prepared with Water for Injection or high-grade purified water, passed through a 0.2 or 0.22 micron filter, filled into controlled packaging, and terminally irradiated where a sterile presentation is required. A sealed trigger or tamper-evident capped format helps protect the prepared concentration during storage and use.

Core Material	70% v/v isopropyl alcohol blended with 30% Water for Injection or high-grade purified water
Panel Thickness	0.9–1.5 mm nominal wall thickness for the HDPE spray bottle
Effective Width	95–125 mm typical body width for a 1 L rectangular trigger bottle
Maximum Length	270–330 mm overall height including the protected trigger assembly
Steel Facing Thickness	0 mm; supplied in polymer primary packaging without steel facing
Core Density	872–883 kg/m³ typical solution density at 20 °C
Thermal Conductivity	Approximately 0.20–0.30 W/(m·K) at 20 °C for the aqueous IPA blend
Surface Finish	Clear, colorless liquid in a smooth natural-white or semi-translucent HDPE container
Joint Type	Tamper-evident threaded neck with a sealed protected trigger or screw-cap closure
Customization	Available based on the intended application and operating environment.

Available Options

500 mL protected trigger bottle1 L protected trigger bottle5 L tamper-evident capped HDPE containerBag-on-valve aerosol dispensing formatWater for Injection or purified-water blend0.2 or 0.22 micron filtered configurationDouble- or triple-bagged transfer packagingTerminally irradiated sterile presentationStream, mist, or adjustable trigger pattern

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