Special properties
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SPJ-201 Antifoam is widely used to synthesize PVC, and can be used in water-based paints, petrochemical, paper-making, textile, mechanical processing, food, pharmaceutical industries. The product has highly dispersity in water, fast defoaming speed and long antifoaming time.
Common properties
Composition: modified polysiloxane; emulsifier; water
Ionic type: non-ionic
Quality index
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Appearance
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milky white liquid
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pH
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6.0-8.0
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Solid content (%)
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13.0-17.0
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Defoaming time (sec)
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≤60
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Antifoaming time (sec)
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≥300
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Attention
Please use it following Labor Protection Rules of Chemicals.
Application technique
1. SPJ-201 Antifoam can be used to recycle unreacted VCM after suspension polymerization. Its good defoaming and antifoaming property can help to efficiently remove and resist the generation of foam. Its dosage is 0.05-0.25‰ of PVC. It can also be used in emulsion polymerization.
2. It may demix slightly after long storage, please stir it to uniform before use.
Packing and storage
1. This product is packed in plastic drum (net weight: 25kg) or packed according to client's requirements.
2. Please prevent the product from collision, inversion, insolation and rain, and store it in dry, ventilated warehouses.
3. The product’s shelf life is 6 months if stored as above. After the effective period, it can also be used if tested to be qualified