| name | preserve-materials |
| locale | wenyan-ultra |
| source_locale | en |
| source_commit | 82c77053 |
| translator | Julius Brussee homage — caveman |
| translation_date | 2026-04-26 |
| description | Preserve and conserve library and archival materials. Covers environmental controls (temperature, humidity, light), handling procedures, book repair techniques (torn pages, loose spines, foxing), acid-free storage, digitization for preservation, and disaster recovery planning. Use when establishing preservation practices for a new or existing collection, when materials show signs of deterioration, when setting up environmental controls for storage, when planning digitization to preserve fragile originals, or when creating a disaster recovery plan for a library or archive.
|
| license | MIT |
| allowed-tools | Read Grep Glob WebFetch WebSearch |
| metadata | {"author":"Philipp Thoss","version":"1.0","domain":"library-science","complexity":"advanced","language":"natural","tags":"library-science, preservation, conservation, book-repair, archival, acid-free, digitization"} |
護材
護藏館材、過環控、處則、修術、災備也。
用
- 為新或現藏立護→用
- 材顯壞（斑、脆、鬆裝）→用
- 立藏或展之環控→用
- 數化以護脆原→用
- 為館或檔立災復→用
入
- 必：欲護材（書、稿、像、圖、媒）
- 必：當前藏況（溫、濕、光暴）
- 可：護備預算
- 可：數化具（掃、機、軟）
- 可：現藏況察
行
一：察當前況
察環與材以立基。
Environmental Assessment Checklist:
+-----------------------+------------------+---------------------+
| Factor | Ideal Range | Measure With |
+-----------------------+------------------+---------------------+
| Temperature | 18-21°C | Thermometer with |
| | (65-70°F) | min/max recording |
+-----------------------+------------------+---------------------+
| Relative Humidity | 30-50% RH | Hygrometer or |
| | | datalogger |
+-----------------------+------------------+---------------------+
| Light (storage) | <50 lux | Light meter |
| | No UV | |
+-----------------------+------------------+---------------------+
| Light (display) | <200 lux | Light meter + |
| | UV filtered | UV filter readings |
+-----------------------+------------------+---------------------+
| Air quality | Low dust, no | Visual inspection, |
| | pollutants | HVAC filter check |
+-----------------------+------------------+---------------------+
Material Condition Survey (sample 10% of collection):
- Excellent: No visible damage, binding intact, pages flexible
- Good: Minor wear, slight yellowing, binding sound
- Fair: Moderate foxing, some loose pages, spine cracked
- Poor: Brittle pages, detached covers, active mold or pest damage
- Critical: Pages fragmenting, structural failure, immediate intervention needed
Record the percentage in each condition category.
得：環況與材健之基資、識即險與長勢。
敗：監具未得→用五金店之基溫濕計。粗資遠優於無。先監濕——單最害環因。
二：立環控
建養減壞之況。
Environmental Control Priorities (in order of impact):
1. HUMIDITY CONTROL (most critical)
- Target: 30-50% RH, with <5% daily fluctuation
- Too high (>60%): mold growth, foxing, warping
- Too low (<25%): brittleness, cracking, flaking
- Solutions: dehumidifier, humidifier, HVAC control, silica gel
- Monitor continuously with datalogger
2. TEMPERATURE CONTROL
- Target: 18-21°C (65-70°F), with <3°C daily fluctuation
- Lower is better for long-term preservation (slows chemical decay)
- Stability matters more than exact temperature
- Never store near exterior walls, heating vents, or pipes
3. LIGHT MANAGEMENT
- UV radiation causes irreversible fading and embrittlement
- Filter all windows with UV film (blocks >99% UV)
- Use LED lighting (no UV emission) instead of fluorescent
- Keep lights off in storage areas when not in use
- Display items on rotation (3-6 months on, then rest)
4. AIR QUALITY
- HVAC filters: minimum MERV 8, ideally MERV 13
- No food or drink near materials
- Avoid off-gassing materials (fresh paint, new carpet, cardboard)
- Ensure air circulation to prevent microclimate pockets
5. PEST MANAGEMENT (IPM)
- Inspect incoming materials before shelving
- Sticky traps at floor level, checked monthly
- No cardboard boxes (pest habitat) — use archival containers
- If pests found: isolate affected items, freeze treatment
(-20°C for 72 hours kills most book pests)
