Micronova Cleanroom BucketLiners - LDPE/Nylon Laminate Bucket Liners - Sterile and Non-Sterile Options
Micronova BucketLiners™ are cleanroom-compatible liners designed to provide a protective barrier between cleaning buckets and the liquid solutions they contain. Manufactured from a specialized 75% low-density polyethylene (LDPE) and 25% nylon laminate, these 3 mil liners help protect bucket interiors, support controlled disinfectant handling, and simplify cleaning-solution changeovers in pharmaceutical, biotechnology, laboratory, and other contamination-controlled environments.
BucketLiners are available in configurations designed for round, square, and rectangular buckets, including small 1-gallon pails and larger cleanroom mopping systems. Their chemical-resistant laminate construction helps separate cleaning and disinfecting solutions from the underlying bucket material and provides a replaceable containment surface for approved cleaning procedures.
The BucketLiner family includes both non-sterile and gamma-irradiated sterile options. Individual manufacturer part numbers determine liner dimensions, bucket compatibility, sterility, packaging format, and case quantity. Select the appropriate configuration based on the cleaning system and facility contamination-control requirements.
Cleanroom Bucket Protection Advantage: Micronova BucketLiners provide a replaceable 3 mil LDPE/nylon barrier between cleaning solutions and reusable buckets. Their purpose-built configurations support controlled solution preparation, routine liner replacement, and reduced direct contact between the chemical solution and bucket interior. Non-sterile and sterile versions allow facilities to select packaging and processing appropriate for their approved cleaning procedures.
Specifications:
- Manufacturer: Micronova Manufacturing, Inc.
- Product Family: BucketLiner™
- SOSCleanroom Parent SKU: BKL1-xxxx
- Product Type: Cleanroom Bucket and Liquid-Containment Liners
- Material: LDPE/Nylon Laminate
- Material Composition: 75% low-density polyethylene and 25% nylon
- Nominal Thickness: 3 mil (0.076 mm)
- Construction: Flexible laminate liner
- Primary Function: Protective barrier between bucket interiors and compatible cleaning or disinfecting solutions
- Available Configurations: Square, vertical-rectangular, and horizontal formats for compatible containers
- Bucket Compatibility: Varies by selected manufacturer part number
- Chemical Compatibility: Manufacturer identifies good resistance to common disinfectants and cleaning solutions
- Available Processing: Non-sterile or sterile gamma-irradiated, according to selected SKU
- Non-Sterile Configuration: BKL1-1818 and other designated non-irradiated models
- Sterile Configuration: BKL1-1818IR and other designated irradiated models
- Sterile Bulk Configuration: BKL1-1818IRB and other designated bulk-packed irradiated models
- Sterile Irradiation: Minimum 25 kGy, according to manufacturer sterile-liner documentation
- Sterility Assurance: Manufacturer-published SAL 10-6 for applicable validated sterile configurations
- Intended Environment: Cleanrooms and controlled environments, subject to facility qualification
- Autoclave Compatibility: Manufacturer identifies compatibility with autoclaving with liquid contents only, subject to a qualified process
- Packaging: Bulk packed or individually double bagged, depending on model
- Traceability: Manufacturer lot identification on packaging and cases
- Manufacturer Documentation: Product specifications, Certificates of Conformance, and applicable irradiation or processing records
- Manufacturing Location: Torrance, California, USA
- Manufacturing Quality System: ISO 9001 certified facility
- Ordering Configuration: Select the required liner size, sterility, packaging format, and manufacturer part number
18 x 18-Inch BucketLiner Configurations:
Micronova provides three 18 x 18-inch BucketLiner configurations for compatible 1-gallon (4-liter) pails. All three use the same nominal liner dimensions and laminate material, with processing and packaging determined by the manufacturer part number.
| Manufacturer SKU |
Sterility |
Packaging |
| BKL1-1818 |
Non-sterile |
50 liners/pack; 3 packs/case; 150 liners/case |
| BKL1-1818IR |
Sterile, irradiated |
Individually double bagged; 50 liners/case |
| BKL1-1818IRB |
Sterile, irradiated |
Bulk configuration: individually bagged; 10 liners per double bag; manufacturer lists 50 bags/case |
Dimensions: 18 x 18 inches (approximately 455 x 455 mm). Recommended Fit: Compatible 1-gallon (4-liter) pails.
Additional BucketLiner Sizes and Configurations:
Additional BucketLiner sizes are available for larger round, square, and rectangular containers. Select the appropriate model based on bucket dimensions, cleaning-solution volume, and required liner positioning.
- BKL-2424: 24 x 24 inches; non-sterile; compatible with approximately 6-gallon round or square buckets; 200 liners/case.
- BKL-2424IR: 24 x 24 inches; sterile, irradiated; individually double bagged; 24 liners/case.
- BKL-2424IRBB: 24 x 24 inches; sterile bulk configuration; 6 liners per double-bagged pack, 8 packs/case; 48 liners/case.
- BKL-2424IRTBB: 24 x 24 inches; sterile triple-bagged bulk configuration; 48 liners/case.
- BKL-2430IR: 24 x 30 inches; sterile, irradiated; compatible with approximately 8-gallon round or square buckets; 24 liners/case.
- BKL7-3119: 31 x 19 inches; non-sterile; designed for compatible B-7 rectangular buckets; 200 liners/case.
- BKL7-3119IR: 31 x 19 inches; sterile, irradiated; individually double bagged; 24 liners/case.
- BKL99-3521: 35 x 21 inches; non-sterile; compatible with B-99-style rectangular buckets; 200 liners/case.
- BKL99-3521IR: 35 x 21 inches; sterile, irradiated; individually double bagged; 24 liners/case.
- BKL993521IRB: 35 x 21 inches; sterile bulk configuration; 6 liners per double-bagged pack, 4 packs/case; 24 liners/case.
About the Manufacturer:
Micronova Manufacturing develops contamination-control products for pharmaceutical manufacturing, biotechnology, laboratory operations, medical devices, and other critical environments. Its product portfolio includes cleanroom bucket liners, waste liners, cleaning tools, mopping systems, wipers, sponges, and specialized cleaning solutions.
Micronova BucketLiners are manufactured using LDPE/nylon laminate materials selected for barrier performance and compatibility with common cleaning and disinfecting solutions. Multiple liner geometries and packaging configurations allow facilities to establish standardized material-handling and cleaning procedures.
SOSCleanroom supports customers with Micronova product selection, bucket compatibility, manufacturer technical documentation, sterile processing records, and procurement assistance for contamination-controlled environments.
BucketLiner Features:
- 75% LDPE and 25% nylon laminate construction
- 3 mil nominal material thickness
- Protective barrier between bucket interiors and cleaning solutions
- Compatible with common disinfectants and cleaning solutions, subject to chemical qualification
- Available for round, square, and rectangular buckets
- Multiple liner sizes for different bucket systems
- Non-sterile bulk-packed configurations
- Gamma-irradiated sterile configurations
- Individually double-bagged sterile options
- Selected sterile bulk-pack configurations
- Compatible with qualified autoclaving procedures involving liquid contents
- Useful for product parts and raw-material transfer in appropriate containers
- Supports controlled cleaning-solution replacement
- Manufacturer lot identification for traceability
- Applicable processing and conformance documentation available
BucketLiner Benefits:
- Bucket Protection: Provides a replaceable physical barrier between compatible cleaning solutions and reusable bucket interiors.
- Cleaning Consistency: Supports repeatable liner-change procedures between cleaning cycles.
- Chemical Separation: Reduces direct interaction between the stored cleaning solution and the underlying bucket material.
- Reduced Cleaning Burden: Disposable liners can simplify bucket preparation and turnaround, while remaining subject to required bucket cleaning procedures.
- Controlled Liquid Handling: Helps contain compatible cleaning agents, rinse water, and disinfecting solutions during approved operations.
- Sterile Product Options: Designated irradiated models provide sterile liner presentation for qualified processes.
- Flexible Packaging: Bulk and individual double-bag configurations support different consumption and material-transfer needs.
- Container Compatibility: Multiple shapes and sizes accommodate different cleanroom bucket and pail geometries.
- Traceability: Manufacturer part and lot identification support receiving and quality-control requirements.
- Inventory Planning: Model-specific case quantities help facilities plan replenishment by cleaning-system usage.
Common Applications:
- Cleanroom disinfectant bucket lining
- Pharmaceutical facility cleaning and sanitization programs
- Biotechnology manufacturing support
- Controlled preparation of compatible cleaning solutions
- Two-bucket and multi-bucket cleaning systems
- Temporary containment of qualified rinse liquids
- Cleaning bucket preparation and changeover
- Protection of reusable stainless steel or compatible plastic buckets
- Controlled transport of parts and raw materials
- Laboratory and production-area cleaning procedures
- Material staging in controlled environments
- Cleaning programs requiring sterile liner presentation
- Routine maintenance of cleanroom mopping systems
- Applications where a replaceable liquid-contact barrier is beneficial
Best-Practice Use:
- Confirm the Manufacturer SKU: Verify liner dimensions, sterility, and packaging before opening.
- Select the Correct Bucket: Match the liner configuration to the bucket's shape, rim, internal dimensions, and intended liquid volume.
- Inspect Before Installation: Check the liner for punctures, tears, defective seals, and visible contamination.
- Prepare the Bucket: Clean and inspect the reusable bucket according to the facility's approved procedure.
- Install Carefully: Open the liner and position it inside the bucket without unnecessary stretching or contact with sharp edges.
- Protect the Rim: Arrange excess liner material to prevent the liner from slipping into the solution.
- Avoid Pinching: Keep the liner away from bucket clamps, wheels, sharp fittings, and wringer mechanisms.
- Control Fill Volume: Do not exceed the bucket's approved working capacity or allow the liner to interfere with required equipment operation.
- Use Compatible Chemistry: Verify material compatibility with the actual disinfectant or cleaning solution.
- Prevent Cross-Contamination: Use dedicated liners for each cleaning solution or bucket function as required by the SOP.
- Monitor During Use: Inspect for leaks, displacement, excessive stress, or trapped liquid between the liner and bucket.
- Change Between Solutions: Replace liners according to approved chemical changeover and cleaning schedules.
- Dispose Safely: Remove used liners carefully and follow chemical waste-handling requirements.
- Maintain Documentation: Retain product lot and sterile-processing records when required by the facility.
Bucket Geometry and Proper Liner Selection:
The correct liner must fit the bucket's geometry and allow the intended working volume without creating excessive tension or interfering with mopping equipment. Nominal liner dimensions should be evaluated together with the bucket's opening, depth, and shape.
- One-Gallon Pails: The BKL1-1818 family uses an 18 x 18-inch liner format for compatible small pails.
- Round and Square Buckets: The BKL-2424 family is designed for compatible approximately 6-gallon buckets.
- Deeper Buckets: BKL-2430IR provides a 24 x 30-inch configuration for compatible taller containers.
- Rectangular Buckets: BKL7-3119 models are designed for compatible B-7-style rectangular systems.
- Large Rectangular Systems: BKL99-3521 models are designed for compatible B-99-style bucket systems.
- Open Dimensions: Match the manufacturer's listed flat dimensions to the actual container geometry.
- Bucket Rim: Ensure sufficient material for controlled positioning at the rim.
- Working Depth: Confirm that the liner reaches the required interior surfaces without being stretched tight.
- Wringer Compatibility: Verify that liner material does not obstruct wringers, mop heads, clamps, or moving parts.
- Safe Handling: Avoid using an oversized loose liner where it may fold into a mechanical component or become difficult to remove.
Bucket Fit Guidance: Select BucketLiners by the actual bucket style, opening, depth, and operating configuration rather than gallon capacity alone. A properly fitted liner should cover the intended liquid-contact surfaces, remain stable at the rim, and permit safe operation of the cleaning system.
Two-Bucket Cleaning and Disinfection Procedures:
BucketLiners can be incorporated into approved two-bucket cleaning methods in which one bucket contains the cleaning or disinfecting solution and a separate bucket is used for rinse water or collection of displaced soils. This arrangement can help reduce transfer of contamination into the prepared chemical solution.
- Separate Bucket Functions: Clearly identify the solution bucket and rinse or waste bucket.
- Individual Liners: Install a separate qualified liner in each bucket where required by the facility procedure.
- Prepare Fresh Solutions: Mix cleaning or disinfecting solutions according to the applicable manufacturer's instructions.
- Control Concentration: Follow required dilution, water quality, and solution verification procedures.
- Apply the Cleaning Solution: Wet the mop or cleaning tool using the approved technique.
- Collect Contamination: Transfer removed soils into the designated rinse or collection stage rather than returning contaminated liquid to the fresh-solution bucket.
- Limit Cross-Transfer: Follow the established tool-rinsing or replacement sequence.
- Observe Contact Time: Maintain the required wet contact time when using disinfectants.
- Change Solutions: Replace liquids and liners according to defined time, use, contamination, and process limits.
- Clean Reusable Equipment: Dispose of used liners and complete required cleaning and drying of buckets and wringers.
- Document Completion: Follow facility records for solution preparation, cleaning activities, and equipment changeovers.
Two-Bucket Cleaning Principle: Separate clean solution from collected contamination, and use a dedicated liner for each bucket where required. Liners support containment but do not replace correct chemical concentration, disinfection contact time, mop-change procedures, or routine cleaning of the reusable bucket system.
Chemical Compatibility and Solution Integrity:
Micronova identifies the LDPE/nylon laminate as compatible with common disinfectants and cleaning solutions. The required chemical compatibility depends on formulation, concentration, contact duration, temperature, and the complete cleaning procedure.
- Aqueous Disinfectants: Evaluate compatibility with the specific ready-to-use or diluted disinfectant formulation.
- Detergent Solutions: Confirm suitability for the concentration and temperature used in the cleaning process.
- Alcohol-Based Solutions: Verify compatibility with the intended alcohol concentration and other ingredients.
- Oxidizing Chemicals: Assess the complete formulation and exposure conditions before routine use.
- Acidic and Alkaline Solutions: Consider pH, concentration, and prolonged exposure when qualifying the material.
- Strong Solvents: Do not assume universal compatibility with ketones, aromatic solvents, hydrocarbons, or other aggressive chemicals.
- Temperature: Elevated solution temperatures can alter chemical resistance and material properties.
- Solution Integrity: Evaluate liner suitability where adsorption, extraction, or chemical interaction could affect a critical formulation.
- Leak Testing: Inspect liners during qualification for stress points, leaks, or material changes.
- Residue Requirements: Assess extractables and potential material contribution where the cleaning program has strict residue limits.
- Process Qualification: Confirm compatibility using the actual solution, working volume, dwell time, and bucket system.
Chemical Selection Guidance: The LDPE/nylon laminate provides a physical barrier for compatible cleaning and disinfecting solutions. Facilities should qualify the selected chemical and operating conditions, particularly for concentrated agents, heated solutions, extended storage, and processes where extractables or chemical stability are critical.
Sterile and Non-Sterile Liner Selection:
Micronova offers non-sterile BucketLiners for general controlled cleaning and gamma-irradiated sterile versions for processes requiring sterile liner presentation. Sterility must be identified by the specific manufacturer part number and its applicable processing documentation.
- Non-Sterile BKL1-1818: Supplied without irradiation processing; suitable for approved procedures that do not require sterile liners.
- Sterile BKL1-1818IR: Gamma-irradiated and individually double bagged for controlled sterile material transfer.
- Sterile Bulk BKL1-1818IRB: Separate irradiated bulk configuration with model-specific packaging and material-transfer requirements.
- Gamma Irradiation: Minimum 25 kGy for applicable sterile configurations.
- Sterility Assurance: The manufacturer's sterile-liner specification identifies SAL 10-6 for its validated applicable configurations.
- Packaging Integrity: Inspect sterile packaging before transfer and reject damaged or compromised packs.
- Controlled Transfer: Remove protective packaging layers according to the facility's approved contamination-control procedure.
- Processing Documentation: Retain the applicable Certificate of Irradiation, Certificate of Processing, or other manufacturer records required by the facility.
- Lot Traceability: Match supplied product labels and lot numbers to the relevant manufacturer documentation.
- Aseptic Handling: Avoid contact between the sterile liner and unqualified surfaces during installation.
- Solution Sterility: A sterile liner does not independently make a non-sterile cleaning solution sterile.
- System Qualification: Evaluate the entire bucket, liner, solution, mop, and handling process against applicable cleanliness and sterility requirements.
Sterility Selection Guidance: Use non-sterile BucketLiners where the cleaning procedure permits non-sterile materials. Select an appropriately documented irradiated model where sterile presentation is required. Confirm the processing status, packaging, lot records, and approved transfer procedure before introducing a liner into critical cleanroom operations.
Autoclave Compatibility and Processing:
Micronova identifies BucketLiners as autoclavable with liquid contents only. Steam-processing compatibility depends on liner configuration, actual liquid load, supporting container, temperature, pressure, and the validated process.
- Autoclave Application: Manufacturer identifies compatibility with liquid contents only.
- Approved Cycle: Use only a qualified steam-processing procedure.
- Container Support: Position liners in a compatible supporting vessel rather than treating a flexible liner as a rigid container.
- Fill Control: Follow the validated loading volume and headspace requirements.
- Pressure Management: Avoid sealing or restricting the liner in a manner that interferes with safe steam processing.
- Material Integrity: Inspect liners for deformation, damage, leakage, or loss of functional performance after processing.
- Chemical Exposure: Confirm compatibility when the liner contains cleaning chemicals during the processing cycle.
- Validation: Autoclave compatibility does not independently establish a validated sterile end product.
- Facility Procedure: Follow approved equipment instructions, processing requirements, and applicable safety controls.
Packaging and Storage Recommendations:
- Packaging Format: Model-dependent bulk packs or individually double-bagged sterile packs
- Non-Sterile BKL1-1818: 50 liners/pack; 3 packs/case; 150 liners/case
- Sterile BKL1-1818IR: Individually double bagged; 50 liners/case
- Sterile Bulk BKL1-1818IRB: Manufacturer-listed bulk packaging with 10 liners per double bag
- Product Dimensions: Verify the selected model and bucket compatibility before ordering
- Lot Identification: Manufacturer lot identification on the applicable packaging
- Documentation: Certificate of Conformance and processing documentation as applicable to the selected SKU
- Storage: Keep unused liners in protective packaging in a clean, dry environment
- Physical Protection: Avoid sharp edges, crushing, excessive folding stress, and punctures
- Chemical Storage: Protect unused liners from uncontrolled contact with aggressive chemicals and solvent vapors
- Sterile Packaging: Maintain seal integrity and follow label instructions for sterile stock
- Material Transfer: Remove packaging layers only at approved stages of the cleanroom transfer process
- Opened Packs: Protect remaining liners and follow the applicable facility reuse or single-issue rules
- Used Liners: Remove from service according to established chemical and contamination-control procedures
- Disposal: Follow the chemical SDS and applicable facility waste-management requirements
Manufacturer Technical Documents:
Micronova BucketLiners Manufacturer Product Information and Model Specifications: Click Here
Micronova Sterile BucketLiner Product Specification - Revision 002 (PDF): Click Here
Micronova BucketLiner and BinLiner Mini Catalog (PDF): Click Here
Micronova Manufacturer Product Certificates and Documentation: View Manufacturer Resources
SOSCleanroom BucketLiners Product Information: Click Here
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Notes: Need assistance selecting the correct cleanroom bucket liner, verifying sterile versus non-sterile packaging, or matching a liner to a mopping system? Open the SOSCleanroom Technical Vault tab above for additional guidance on bucket compatibility, sterile transfer, cleaning-solution management, chemical compatibility, and two-bucket cleaning procedures.
SOSCleanroom.com supports pharmaceutical, biotechnology, laboratory, medical device, semiconductor, and other critical environments with cleanroom bucket liners, mopping equipment, wipers, disinfectants, cleaning solutions, and contamination-control supplies. Our team provides manufacturer documentation, product-selection assistance, packaging information, and procurement support.
Product description updated: October 22, 2026 (SOS Technical Staff)
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