At PMTEC, we provide high-performance wet-end solutions developed through the integration of European Finnish technology and collaborative R&D with leading papermaking research institutes.Our starch-based biopolymer series is engineered to optimize machine performance and enhance fiber strength across diverse papermaking processes.
PM-1: Cationic Starch-Based Biopolymer
Cationic Solution for Enhanced Strength and Retention
PM-1 is a cationic starch-based wet end strength agent designed to improve paper strength, retention, and paper machine performance under low cationic demand conditions.
Key Functions and Benefits:
Dry Strength Enhancement: Applied as a dry strength agent for both paper and paperboard.
Resource Efficiency: Increases ash content without loss of paper strength, effectively lowering pulp consumption.
System Purification: Reduces anionic trash in the wet-end system.
Operational Boost: Improves drainage, retention performance, and overall paper machine operating efficiency.
Surface Quality: Improves linting and dusting to enhance final printability.
Performance Advantages:
Obstacle Reduction: Lowers the level of system obstacles affecting machine operation.
Contaminant Control: Effectively lowers pitch and sticky contaminants.
System Stability: Minimal impact on system charge, allowing efficient operation in low cationic demand environments.
Compatibility: Fully compatible with retention aids, drainage aids, and microparticle systems.
User-Friendly: Features an easy application with a simple dosing operation.
Technical Data
| Item | Specification |
| Chemical Structure | Branched starch-based biopolymer |
| Appearance | Viscous light brown transparent liquid |
| Active content | 15 ± 1% |
| Ionicity | Cationic |
| Viscosity (23°C) | < 5000 mPa·s |
| pH | 9 – 11 |
PM-2: Amphoteric(slightly anionic) Starch-Based Biopolymer
Advanced Solution for Wet-End Stability and Charge Control
PM-2 is an amphoteric(slightly anionic) starch-based wet end strength agent designed to enhance paper strength while assisting in critical wet-end system charge control.
Key Functions and Benefits:
Dual-Action Strength: Enhances paper strength through specialized wet-end addition.
Charge Management: Assists in controlling wet-end system charge to prevent excessive cationic conditions.
Synergy: Enhances the effectiveness of other cationic chemicals and improves dry/wet strength.
Efficiency: Improves retention, drainage, and overall machine efficiency.
Print Quality: Reduces linting and dusting for improved printing results.
Performance Characteristics:
High Efficiency: Enhances retention while reducing overall chemical consumption.
System Stabilization: Specifically stabilizes wet-end system performance.
Operation: Improves overall paper machine efficiency with easy application using simple dosing equipment.
Technical Data
| Item | Specification |
| Chemical Structure | Branched starch-based biopolymer |
| Appearance | Viscous brown liquid |
| Active content | 20 ± 1% |
| Ionicity | Amphoteric, slightly anionic |
| Viscosity (23°C) | 500 – 2000 mPa·s |
| pH | 4 – 6 |
Application & Compliance
Application Instructions
To ensure optimal performance, follow these standardized dosing guidelines:
- Pre-dilution: Recommended dilution with 20 times water before addition.
- Typical Dosage: 1 – 2 kg per ton of paper.
- Addition Points:
| Strength-focused: | Thick stock. |
| Retention/Drainage-focused: | Fan pump inlet. |


Safety and Regulatory Compliance
Both PM-1 and PM-2 meet international safety standards for food contact materials:
- FDA: 21 CFR 176.170 and 176.180.
- BfR: XXXVI and XXXVI/2 (PM-1); XXXVI (PM-2).
- GB Standard: PM-2 complies with GB 9685-2016.
Logistics & Handling
- Packaging: 1-ton IBC or customized options.
- Storage: Maintain at 10 – 30°C; avoid freezing.
- Handling: Lower temperatures may increase viscosity; dosing and handling equipment should consider this condition.
- Environment: Follow local environmental regulations. Leaked liquid can be absorbed with inert materials.
- Safety: Industrial use only. Follow general chemical labor protection; no special protection for toxic chemicals is required. Refer to MSDS for detailed safety information.
- Shelf Life: ≥ 12 months for PM-1; ≥ 9 months for PM-2.
Technical Service
PMTEC provides professional technical support to assist with product selection and application optimization tailored to your specific paper machine and paper grade requirements.
