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On-Line Dry Strength Agent

A liquid, synthetic dry strength resin that improves Ring Crush, STFI, Mullen, CMT, tensile and internal bond strength. It increases dry strength while allowing re-pulping as needed. It has been shown to function efficiently in virgin Kraft, 100% recycle and virgin corrugating medium fiber streams.


This product will also increase wet web drainage that can translate into production increases or reduced drying energy requirements. It increases dry strength while allowing re-pulping as needed. 

LP® DSA-125 
LP® TC-3312
Acrylic Waterborne Coating

This coating is easy to formulate and apply to our paper product production, with good film formation and appearance. It is the first food-eating layer and, as are out standards, remains re-pulpable, recyclable, renewable and re-workable.

LP® TC-3312 is a waterborne acrylic emulsion with non-liquid polyolefins, with food grade certification. This multilayer coating technology, means each layer has a different function contribution and results in a 100% water soluble coating material, 


This layer is in direct contact food and is completely safe. It can be coated on paper machine or sizing/off-line coating.

Beating Enzyme & Application

An enzyme is a protein with catalytic activity produced by living cells. All enzymes are present in nature and are essential for the growth and death of living cell walls.Enzyme fermentation for large-scale production: in industrial production, microbial fermentation is used for large-scale production. There are two kinds of methods: solid state fermentation and liquid fermentation.


Extraction of enzymes from fermentation broth: under certain conditions, the process of treating raw materials containing enzymes with appropriate solvents so that enzymes are fully dissolved in solvents. The finished liquid is made and is dried to produce solid products.

LP® EN-1088
LP® SD-1099
Wet Strength Dissociation

The product is widely used in the degumming of PAE, MF, UF, amine epichlorohydrin resin and dialdehyde resin wet strength agent. It can completely and safely remove the water-resistant bond (covalent bond, hydrogen bond, etc.) of paper products, which opens up a new way for the recycling of wet strength loss paper and secondary fiber. This will effectively solve the problem of paper damage and waste paper recycling of wet strength paper using PAE.


The addition of this product does not damage the strength of the fiber, so that the physical properties of the damaged paper secondary papermaking are consistent.It can effectively reduce beating or refining time and save energy. In addition, it can be directly used in papermaking without washing and without affecting the effect of paper sizing or other additives.This product has a good degumming effect on American waste paper or European waste paper.

The Paper Making Process
The Paper Making Process Explained


First we start with Timber, like fir, birch, and spruce. Components of wood include lignin (25%), cellulose (50%) and hemicellulose (25%). Timber is de-barked and sent through a chipping machine to start the pulping process.


Chemical pulping includes heat and pressure in caustic soda and sulfur (50-60% fiber yield). Mechanical pulping includes hot water or grindstones (>89% fiber yield)

The hydrapulper agitates the wood fibers to create pulp mass resembling thick porridge.


The pump mass is placed in a blend chest, and numerous chemicals and dyes are added to color the paper. If the pulp is made of recyled paper, and was dyed before, it will go through a de-inking process before the chest. 

After dyes, fibers are de-clustered to increase surface area and improve fiber bonding.


Then, it goes through a screening and cleaning process which removes undesirable fibrous and non-fibrous materials. 

Lastly, it is put through a papermaking machine! The effluent waste water from the pulp is treated and recycled.

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