Alcohol Polyvinyl 088-50(mesh 80-160)

Physical-chemical properties

Grade	Hydrolysis, /%	Viscosity, /(mPa.s)	Volatiles, /%≤	Ash, /%≤	pH	Purity, /%≥
088-05	87.0-89.0	4.5-6.0	5.0	0.5	5-7	93.5
098-05	98.0-99.0	5.0-6.5	5.0	0.5	5-7	93.5
098-08	98.0-99.0	9.0-11.0	5.0	0.5	5-7	93.5
088-15	87.0-89.0	15.0-19.0	5.0	0.35	5-7	94.0
098-15	98.0-99.3	19.0-23.0	5.0	0.5	5-7	94.0
088-20	87.0-89.0	20.5-24.5	5.0	0.4	5-7	93.5
100-30	99.0-100.0	27.0-34.0	5.0	0.5	5-7	94.0
088-35	87.0-89.0	29.0-34.0	5.0	0.3	5-7	93.5
100-50	99.0-100.0	43.0-53.0	5.0	0.5	5-7	94.0
088-50	87.0-89.0	45.0-55.0	5.0	0.3	5-7	93.5
100-60	99.0-100.0	58.0-68.0	5.0	0.5	5-7	94.0
088-60	87.0-89.0	56.0-68.0	5.0	0.35	5-7	94.0
100-70	99.0-100.0	68.0-78.0	5.0	0.7	5-7	94.0
100-80	99.0-100.0	80.0-98.0	5.0	0.7	5-7	94.0
100-40H	99.0-100.0	35.0-45.0	6.5	2.5	7-10	86.5
100-50H	99.0-100.0	45.0-55.0	6.5	2.5	7-10	86.5

Application for PVA 088-50 powder

Characteristics ：High viscosity, low surface tension, good affinity
Main Use：
Additives for building mortar to increase adhesion, toughness and cracking resistance, but also as a quenching agent in the steel industry, polyvinyl acetate emulsion emulsifier, and PVC suspension dispersant

Hazards Identification

Actual Health Effects Inhalation:
Dust may be formed under certain conditions of use. Treat as a nuisance dust. When heated above 200C, fumes irritating the eyes nose, throat will be evolved. Symptoms may include tears in the eyes with itching, redness, burning pain in throat and nose.
Ingestion:
Not expected to be a health hazard via ingestion.
Skin Contact:
Not expected to be a health hazard from skin exposure.
Eye Contact:
Mechanical irritation only.
Chronic Exposure:
No human data. Animal studies showed a drop in hemoglobin and erythrocyte(red blood cell) number with eventual complete coagulation inhibition. There is the possibility of carcinogenicity as seen in some animal studies.

Handling and Storage

Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Separate from incompatibilities. Avoid dust formation and control ignition sources. Employ grounding, venting and explosion relief provisions in accord with accepted engineering practices in any process capable of generating dust and/or static electricity. Empty only into the inert or non-flammable atmosphere. Emptying contents into a non-inert atmosphere where flammable vapors may be present could cause a flash fire or explosion due to electrostatic discharge.

Customization

HUAMAO® can customize according to customer demand, production of goods.
1. HUAMAO® can customize the packaging according to the customer's requirements.
2. HUAMAO® can process various sizes (mesh 80 100 120 160 etc.).
3. HUAMAO® can produce different physical forms of PVA: flocculent, flaky, powder.
4. HUAMAO® can produce PVA which is the special technical index (alcoholysis degree and viscosity), according to the customer’s demand.

The polyvinyl alcohol, which is used in engineering, is a white flocculent powder, a water-soluble macromolecule polymer with a wide range of uses, which is between plastic and rubber. Dry mixed mortar with polyvinyl alcohol has the following characteristics:

1. Smooth and clean wall level, basically the skill level of the bricklayer master scraping once to meet the standards, individual places with a ruler to check the normal and scraping once can be formed. This saves the general bricklayer many times scraping wall putty work hours.

2. The cost of using putty in the traditional process has been saved. Currently on the market, wall Putty has a variety of, the price is more expensive, and polyvinyl alcohol floc raw materials are only a few dollars a kilogram, the new process of the comprehensive cost per square metre than the market of finished putty is also cheaper; not only that but the use of this polyvinyl alcohol aqueous solution and cement mixing ratio, Each square metre consumes more than the amount of putty needed for a square metre. Therefore, it has found the technical measure of the new process for the goal control of the total cost of construction.

3. Save the use of paint or paint. After the use of polyvinyl alcohol aqueous solution, the interior wall of the building has been used to save the amount of paint or paint in the process of painting or coating engineering. In the original process wall scraping putty after brushing paint, generally need three to four times, and paint or paint will be in the first two times in the wall Putty surface absorbed a large part of the paint or paint from the surface to absorb after, only from the sense of the texture of the paint has been "stained", so the actual consumption of paint or paint use is larger. And the new process of polyvinyl alcohol ratio cement scraping the wall after the use of paint or paint, paint can soon be in the wall compatible coloring, and not a large number of absorption to the wall mortar layer, so that you can save the amount of paint or paint, so as to achieve cost savings.

4. Polyvinyl alcohol ratio cement wall surface has better waterproof and water resistance. Polyvinyl alcohol is an organic macromolecule material, with the water molecule's consumption and evaporation, polyvinyl alcohol gradually forms the irregular omentum with water resistance and waterproof effect in the building gypsum products, which is filled in the pores between the mortar crystals, thus reducing the porosity of the whole wall mortar layer, At the same time, this kind of polyvinyl alcohol itself is an organic molecule material, with cement, with better waterproof performance, improve the surface of the building products waterproof performance.

5. Improve the adhesion of the wall mixture. In addition, it can reduce friction, thus enhancing the efficiency and quality of work. It can prevent the cracking off of mortar plastering layer, increase adhesion strength and smoothness. The project often has the wall crack, the empty drum loose cement mortar, the concave and convex uneven wall and the angle yang angle and so on, may use the polyvinyl alcohol and the cement the proportion after the new craft scratches to maintain. At the same time, the mixture has good stability, the water solution has a stable, longer shelf life, strong resistance to bacterial mildew, and does not ferment.

Of course, this kind of polyvinyl alcohol and cement mixture also has many defects place, because the polyvinyl alcohol belongs to the petrochemical downstream product, itself contains some chemical substances, becomes the water solution will emit the slightly harmful odor, it will not only pollute the site environment but also endanger the construction personnel's health and become the source of pollution for a living room. Generally, after scraping in the interior wall and indoor ventilation two months later, the wall of pollution is slowly cut off.

In addition, the mixture of PVA polymer and cement is composed of organic compounds and its flame-retardant performance is not as good as putty and water glass inorganic adhesives and heat-labile, which are the weaknesses.