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Terra's Library of Technical Resources
White Papers | Set-Up & Configuration Guides | Videos
General Topics
Chemical Compatibility Charts
A general guide for various materials and chemicals
  Metals Plastics Rubber and Synthetics
(PDF Version)
   
UVC Germicidal Irradiation
UVC provides an effective, low-cost way to reduce microbial loads throughout your cleanroom. Learn how it fits into an overall strategy for maintaining aseptic processes.
(PDF Version)
   
History of Cleanrooms: the Last 100+ Years
Download this paper to learn about the evolution of cleanrooms: how did they develop and why? What major advances have shaped industry and medicine?
(PDF Version)
   
Most-Wanted Pathogens
Download this poster for profiles on scores of pathogens (bacteria, viruses, fungi) that can be controlled through UVC germicidal exposure.

(PDF Version)

   
Electropolishing Standards and Guidelines
This document provides a description of the electropolishing procedures performed by Terra Universal. It also specifies a series of criteria for evaluating the integrity and cleanliness of the electropolished surfaces.
(PDF Version)
   
Static-Dissipative PVC vs. Acrylic
Which offers lower overall cost of cleanroom ownership?
 
   
Cleanroom Pass-Through Chambers: Specifications
(Word Doc)
Modular Cleanrooms and Gowning Rooms (Change Rooms)
Frequently Asked Questions  
Videos icon TerraVision Videos
   

Modular Hardwall Cleanroom
Double-wall modular steel cleanrooms are ideal for bio/pharmaceutical applications that require an easy-clean, aseptic environment.

Installation Test of a Modular Hardwall Cleanroom
Time Lapse of a modular hardwall cleanroom being erected and tested prior to shipping.

Modular BioSafe® Cleanroom Installation Test
Time Lapse of a modular BioSafe™ cleanroom being erected and tested prior to shipping.

Gowning Procedures
Proper gowning protocol supports compliance with cleanliness standards

Cleanroom Pass-Through Features and Selection Guide
Orientation to Terra Pass-through construction and accessories.

Roll-Up Door Pass-Through Chamber
Operation and features of the roll-up door pass-throughs, which are ideal for moving carts and other large equipment into the cleanroom.

Don't Turn Your Clean Enclosure into a Particle Magnet!
Non-dissipative plastics quickly accumulate surface charges that attract contaminants. If the panel on the left clings to this many test spheres, just imagine how many micro-particles it attracts!

Dual-Sided Cleanroom Mirror
Mirror relieves gowning area congestion

Sole Cleaner
Seizes particles from the bottoms of shoes and carts

ErgoHeight Auto-Adjusting Work Stations
Work Station is motorized to raise and lower bench heights with equipment in place.

Air Showers
Units that are fully equipped and protected to allow large numbers of personnel to pass into controlled areas without sacrificing convenience for cleanliness.

High-Speed Roll-Up Cleanroom Doors
High-speed operation allows transfer of large carts and equipment in a high-cycle operation.

Federal Standard 209E and ISO Cleanroom Standards
Understand the international ISO cleanliness standards (ISO 4, ISO 5, ISO 6, etc.) and how they correlate to the U.S. Fed-Std 209E designations (Class 10, Class 100, Class 1,000, etc.). This guide also discusses other key cleanroom recommendations on cleanroom air change and velocity rates, clean room ceiling fan coverage, positive vs. negative internal cleanroom air pressure, and laminar vs. turbulent air flow.
(PDF Version)
   
Calculating Clean Room Cleanliness: How Many FFUs and Lights?
This tutorial provides practical tips for correlating the desired cleanliness level (per Fed Std 209 and ISO standards) to the required number of FFUs. Also provides guidelines for specifying lights based on the type of operations being conducted.
(PDF Version)
   
Most-Wanted Pathogens
Download this poster for profiles on scores of pathogens (bacteria, viruses, fungi) that can be controlled through UVC germicidal exposure.
(PDF Version)
   
Cutting Cleanroom Costs
A few simple additions to your cleanroom can boost performance and slash operating expenses.
(PDF Version)
   
Gowning Room Design
Recommendations on gowning room configuration and equipment locations to support proper gowning protocol while make best use of floor space.
 
   
Gowning Protocol
A practical how-to guide that helps you and your employees comply with proper gowning protocol.
 
   
UVC Germicidal Irradiation
UVC provides an effective, low-cost way to reduce microbial loads throughout your cleanroom. Learn how it fits into an overall strategy for maintaining aseptic processes.
(PDF Version)
   
Static-Dissipative PVC vs. Acrylic
Which offers lower overall cost of cleanroom ownership?
(PDF Version)
Pass-Throughs and Air Showers
Videos icon TerraVision Videos
   

Cleanroom Pass-Through Features and Selection Guide
Orientation to Terra Pass-through construction and accessories.

Cleanroom Pass-Through Operational Benefits
Twelve ways Terra Pass-Throughs can help overcome your operational challenges.

Roll-Up Door Pass-Through Chamber
Operation and features of the roll-up door pass-throughs, which are ideal for moving carts and other large equipment into the cleanroom.

BioSafe® Pass-Throughs
The optimal pass-through chamber for aseptic operations

Fire-Rated Pass-Throughs
UL "B" fire-rated for 90-minute fire exposure (suitable for 2-hour wall rating)

Air Showers
Units that are fully equipped and protected to allow large numbers of personnel to pass into controlled areas without sacrificing convenience for cleanliness.

 
Desiccators
Videos icon TerraVision Videos
   

Desiccators: Features and Design Overview
Terra Universal's Desiccator Storage Systems extend shelf lives and reduce part defects by providing a clean, dry environment for moisture-sensitive parts. These nitrogen-purged dry boxes are available with automated humidity control systems.

ValuLine™ Desiccators
Terra Universal ValuLine™ Desiccators provide value without compromising performance. Available in acrylic and dissipative PVC, these turnkey systems come in many chamber configurations.

Adjust-A-Shelf™ Desiccators
Terra Universal's adjustable-shelf desiccator cabinets store delicate components in a nitrogen-purged, clean environment to prevent degradation caused by moisture exposure. Automated humidity control systems allow selection of a target RH set point.

Stainless Steel Desiccators
Terra Universal's stainless steel desiccators are ideal for the most critical low-humidity requirements. Ideal for a host of moisture-sensitive parts, these systems maintain dry conditions down to 1%RH. A variety of control systems allow selection of a humidity set point for automated moisture control.

Terra Desiccator Leveling
Desiccator materials and stainless steel-framed doors.

Terra Desiccator Humidity Control
Controling Humidity with Terra's Control System.

Smart Desiccator Setup
Complete installation and programming in under a minute!

Why Desiccator Storage?
A technical overview to how desiccators extend shelf lives and increase product yields.
 
   
Why Terra Desiccators?
Compare the many design and fabrication features that make Terra desiccators the most efficient and durable cabinets available.
 
   
Why Use Nitrogen?
A guide to how nitrogen purging protects moisture-sensitive materials.
 
   
Static-Control Methods
A technical review of the advantages and applications of static neutralizing ionization equipment, static-dissipative materials, and Faraday-cage cabinets.
 
   
Static-Dissipative PVC vs. Acrylic
Which offers lower overall cost of cleanroom ownership?
(PDF Version)
   
Desiccator Installation and Cleaning
Recommended cleaning techniques and agents for various desiccator materials.
 
Hoods and Glove Boxes
Videos icon TerraVision Videos
   

Compounding Aseptic Isolator
USP <797> Compliance with Terra's compounding Aseptic Isolator

Smart Glovebox Setup
Complete installation and programming in under a minute!

Glove Box Isolators and Containment Chambers
Ovevriew of Terra's complete line of glove boxes.

HEPA and ULPA Particle Filters
These filters remove sub-micron particles, which are too small to see but create BIG problems in many critical manufacturing operations.
 
   
Charcoal Filter Life
Unlike HEPA and ULPA particle filters, activated charcoal filters create no additional backpressure when they near the end of their service life. So when do you replace them? Here's how to tell.
 
   
Glove Box 101: Here's What You Need To Know
Avoid costly mistakes commonly made during the specification of a glove box isolation or containment chamber.
 
   
Static-Dissipative PVC vs. Acrylic
Which offers lower overall cost of cleanroom ownership?
(PDF Version)
   
UVC Germicidal Irradiation
UVC provides an effective, low-cost way to reduce microbial loads in a glove box, hood, or other enclosure. Learn how it fits into an overall strategy for maintaining aseptic processes.
(PDF Version)
   
Most-Wanted Pathogens
Download this poster for profiles on scores of pathogens (bacteria, viruses, fungi) that can be controlled through UVC germicidal exposure.
(PDF Version)
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