Printing Industry Cleaning: Ink and Press Chemical Solutions
Commercial printing operations depend on clean equipment for quality output—ink contamination, buildup, and residue directly impact print quality. Effective printing industry cleaning chemicals must remove diverse ink types while protecting press components and meeting environmental requirements. This guide covers the complete chemical program for print facility maintenance.
Understanding Printing Cleaning Requirements
Ink Types and Cleaning Chemistry
| Ink Type | Chemistry | Cleaning Solvent Type | Difficulty |
|———-|———–|———————-|————|
| Conventional offset | Oil-based | Petroleum, vegetable | Moderate |
| UV-curable | Acrylate | Specialty UV wash | High |
| Water-based (flexo) | Water-reducible | Water + surfactant | Low-moderate |
| Metallic/specialty | Varies | May need specialty | High |
| Heat-set | Oil + resin | Petroleum | Moderate |
| Cold-set | Oil, low resin | Petroleum, water-mix | Moderate |
Press Components Requiring Cleaning
| Component | Soil Type | Cleaning Frequency | Material |
|———–|———–|——————-|———-|
| Ink rollers | Ink buildup, glaze | Daily + deep weekly | Rubber/composite |
| Blankets | Ink, paper debris | Daily + deep weekly | Rubber |
| Impression cylinders | Ink, adhesive | Daily | Metal |
| Ink fountain | Ink residue | Each color change | Metal/polymer |
| Inking system | Dried ink, glaze | Weekly-monthly | Rubber/metal |
| Dampening system | Gum, scum, ink | Weekly | Rollers, pans |
Blanket and Roller Wash
Standard Blanket Wash
Clissal PrintClean Blanket Wash:
| Parameter | Specification |
|———–|————–|
| Type | Petroleum distillate blend |
| Flash point | >40°C (safety) |
| KB value | 45-55 |
| Evaporation rate | Medium-fast |
| Residue | Low |
| Form | Liquid |
Application:
| Press Type | Quantity | Method |
|————|———-|——–|
| Sheet-fed (B1) | 100-200ml per wash | Auto wash system or manual |
| Sheet-fed (B2) | 50-100ml per wash | Auto wash system or manual |
| Web offset | Per auto blanket washer | Continuous system |
| Manual wash | Per wipe | Cloth application |
Low-VOC Blanket Wash
Clissal PrintClean Blanket Wash LV:
| Parameter | Specification |
|———–|————–|
| Type | High-flash, low-VOC |
| Flash point | >65°C |
| VOC content | <50% |
| KB value | 40-50 |
| Evaporation rate | Slow-medium |
| Form | Liquid |Application: Identical to standard, but preferred for environmental compliance and worker exposure reduction.
Vegetable/Bio-Based Wash
Clissal PrintClean Green Wash:
| Parameter | Specification |
|———–|————–|
| Type | Vegetable ester blend |
| Flash point | >100°C |
| Bio-based content | >70% |
| VOC content | <10% |
| KB value | 30-40 |
| Form | Liquid |Application:
| Use | Notes |
|—–|——-|
| Environmental preference | Low VOC, bio-based |
| Daily blanket wash | Effective on conventional ink |
| Roller deglazing | Not as aggressive |
| UV ink | Not suitable |
UV Ink Wash
Clissal PrintClean UV Wash:
| Parameter | Specification |
|———–|————–|
| Type | Specialty UV ink remover |
| Function | Dissolves UV-curable inks |
| Compatibility | UV blankets and rollers |
| Flash point | >40°C |
| Form | Liquid |
Application:
| Use | Quantity | Notes |
|—–|———-|——-|
| UV blanket wash | Per wash system | Do not use conventional wash |
| UV roller wash | Per roller | Prevents curing issues |
| Ink fountain | Standard amount | Before color change |
Roller Care
Roller Deglaze
Clissal PrintClean Deglaze:
| Parameter | Specification |
|———–|————–|
| Type | Roller restorer/deglaze |
| Function | Removes glaze, restores porosity |
| Application | Weekly-monthly |
| Form | Paste or liquid |
Application Protocol:
| Step | Action | Product | Time |
|——|——–|———|——|
| 1 | Clean rollers with wash | Blanket Wash | Standard |
| 2 | Apply deglaze | Deglaze (thin coat) | Apply |
| 3 | Run press slowly | – | 5-10 min |
| 4 | Wash off deglaze | Blanket Wash | Standard |
| 5 | Verify roller condition | Touch test, visual | – |
Frequency:
- Light use: Monthly
- Heavy use: Weekly
- Problem rollers: As needed
Roller Rejuvenator
Clissal PrintClean Roller Rejuve:
| Parameter | Specification |
|———–|————–|
| Type | Deep roller treatment |
| Function | Restores hardened rollers |
| Application | Soak or extended contact |
| Form | Liquid |
Application:
| Condition | Method | Time |
|———–|——–|——|
| Light glazing | Apply, run 15 min | 15 min |
| Moderate glazing | Apply, leave overnight | 8+ hours |
| Severe hardening | Soak (off press) | 24-48 hours |
Fountain Solution Management
Conventional Dampening
Clissal PrintClean Fountain Concentrate:
| Parameter | Specification |
|———–|————–|
| Type | Ethanol-free fountain solution |
| pH (working) | 4.8-5.3 |
| Conductivity target | 1200-1600 µS/cm |
| Function | Ink/water balance |
| Form | Liquid concentrate |
Dilution:
| Factor | Dilution Range | Adjustment |
|——–|—————|————|
| Standard | 2-4% | Per ink/paper |
| Hard water | 3-5% | Higher for hard water |
| Low alcohol | Use with alcohol sub | Per specification |
Alcohol Substitute
Clissal PrintClean Alcohol Sub:
| Parameter | Specification |
|———–|————–|
| Type | IPA replacement |
| Function | Surface tension control |
| Dosing | 2-5% of fountain |
| Form | Liquid |
Benefits: Reduced IPA use, lower vapor emissions, more stable operation.
Press Maintenance Chemicals
Ink Roller Cleaner (In-Press)
Clissal PrintClean Roller Flush:
| Parameter | Specification |
|———–|————–|
| Type | Pour-through ink system cleaner |
| Function | Full inking system purge |
| Application | Major color changes |
| Form | Liquid |
Application:
| Step | Action | Amount |
|——|——–|——–|
| 1 | Remove excess ink | – |
| 2 | Add Roller Flush to ink fountain | 200-400ml (B1) |
| 3 | Run press on impression | 2-3 min |
| 4 | Wash blanket | Standard wash |
| 5 | Repeat if visible contamination | As needed |
Press Cleaner Degreaser
Clissal PrintClean Press Degrease:
| Parameter | Specification |
|———–|————–|
| Type | Water-based press cleaner |
| pH | 10.5-12.0 |
| Function | Ink mist, grease, general |
| Safe on | Metal, painted surfaces |
| Form | Liquid concentrate |
Application:
| Surface | Dilution | Method |
|———|———-|——–|
| Press frames | 1:20-1:40 | Spray & wipe |
| Ink fountains (exterior) | 1:10-1:20 | Wipe |
| Delivery stacks | 1:30-1:50 | Spray & wipe |
| General press | 1:30 | Spray & wipe |
Anti-Skinning Spray
Clissal PrintClean Anti-Skin:
| Parameter | Specification |
|———–|————–|
| Type | Ink anti-skinning spray |
| Function | Prevents ink drying in fountain |
| Application | End of shift, short stops |
| Form | Aerosol or pump spray |
Use: Light spray over ink in fountain to prevent surface drying.
Clissal PrintClean Product Range
Complete Product Specifications
| Product | Application | Pack Sizes | Flash Point |
|———|————-|————|————-|
| Blanket Wash | Standard wash | 5L, 20L, 200L | >40°C |
| Blanket Wash LV | Low-VOC wash | 5L, 20L, 200L | >65°C |
| Green Wash | Bio-based wash | 5L, 20L | >100°C |
| UV Wash | UV ink removal | 5L, 20L | >40°C |
| Deglaze | Roller restoration | 5L, 20L | >60°C |
| Roller Rejuve | Roller treatment | 5L | >60°C |
| Fountain Concentrate | Dampening | 5L, 20L | N/A |
| Alcohol Sub | IPA replacement | 5L, 20L | N/A |
| Roller Flush | Ink system purge | 5L, 20L | >40°C |
| Press Degrease | Press cleaning | 5L, 25L | N/A |
| Anti-Skin | Ink protection | 400ml aerosol | N/A |
| Hand Cleaner | Operator hands | 5L | N/A |
Dilution and Usage Quick Reference
| Product | Dilution | Typical Use |
|———|———-|————-|
| Blanket Wash | RTU | 100-200ml per wash |
| Blanket Wash LV | RTU | 100-200ml per wash |
| Green Wash | RTU | 150-250ml per wash |
| UV Wash | RTU | 100-200ml per wash |
| Deglaze | RTU | Thin coat application |
| Fountain Concentrate | 2-4% | In dampening system |
| Alcohol Sub | 2-5% | Added to fountain |
| Roller Flush | RTU | 200-400ml per use |
| Press Degrease | 1:10-1:50 | Spray application |
Environmental and Safety Compliance
VOC Regulations
| Product | VOC Content | Classification |
|———|————-|—————-|
| Blanket Wash | ~80% | Standard |
| Blanket Wash LV | <50% | Low-VOC |
| Green Wash | <10% | Ultra-low VOC |
| UV Wash | ~60% | Moderate |Selection guide:
- Standard: No restrictions, cost priority
- Low-VOC: Moderate regulations, exposure reduction
- Green Wash: Strict VOC limits, environmental priority
Worker Safety
| Product Category | Hazards | PPE Required |
|——————|———|————–|
| Petroleum washes | Flammable, skin irritation | Gloves, ventilation |
| UV washes | Skin sensitization | Gloves, goggles |
| Water-based | Low hazard | Gloves recommended |
| Acidic fountain | Eye/skin irritation | Gloves, eye protection |
Fire Safety
| Product | Flash Point | Storage Requirements |
|———|————-|———————|
| <40°C products | FLAMMABLE | Flammable storage cabinet |
| 40-65°C products | COMBUSTIBLE | Standard chemical storage |
| >65°C products | LOW RISK | General storage acceptable |
| Water-based | N/A | No special requirements |
Cost Optimization
Consumption Benchmarks
| Press Type | Daily Blanket Wash | Monthly Chemicals |
|————|——————-|——————-|
| B1 sheet-fed | 1-2L | ~40L wash + supplies |
| B2 sheet-fed | 0.5-1L | ~25L wash + supplies |
| Web offset | 2-5L | ~100L wash + supplies |
Clissal Ultra-Concentrate Value
| Benefit | Impact |
|———|——–|
| Higher active content | Less product needed |
| Reduced shipping | Lower freight costs |
| Less storage space | Warehouse efficiency |
| Concentrated = less waste | Environmental benefit |
Wash System Optimization
| Factor | Optimization | Savings |
|——–|————–|———|
| Auto blanket washer calibration | Correct dosing | 15-25% |
| Color change sequence | Fewer major changes | 10-20% |
| Roller condition maintenance | Less deglaze needed | 10-15% |
| Fountain monitoring | Proper concentration | 5-10% |
Conclusion: Print Quality Through Proper Chemistry
Print quality depends on clean, well-maintained equipment. The right cleaning chemistry—matched to ink type, environmental requirements, and operational needs—delivers consistent results and equipment longevity.
Clissal PrintClean products cover the full range of printing chemical needs, from everyday blanket wash to specialized UV treatments and environmental compliance options. Our printing industry team understands the demands of production printing environments.
Need printing chemical optimization? Contact Clissal for product trials, technical support, and consumption analysis.
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About Clissal: A brand of Jaivin Surfactants, Clissal serves commercial printing operations across India with specialized press chemistry. Our graphics team combines chemical expertise with practical printing experience.