High Carbon Alcohol Defoamer LH-1829 & LH-1831
A new type of polyether defoamer widely used in the construction industry, representing advanced technology from Jiangsu province.
Product Overview
High carbon alcohols consist of long-chain alcohols with numerous carbon atoms that form stable interfacial active agent molecular layers in water. These compounds rapidly diffuse to foam surfaces, reduce surface tension, destroy foam films, and quickly eliminate foam.
Defoaming Mechanism
- Diffusion to foam surfaces to react with surfactants and alter foam stability
- Penetration into foam membranes to disrupt structural integrity
- Formation of protective films to prevent new foam formation
Key Advantages
- High defoaming efficiency due to strong permeability and diffusion properties
- Environmentally friendly with low water solubility and easy biodegradability
- Excellent thermal and chemical stability across various industrial conditions
Industry Applications
Widely used in petrochemical processing (distillation towers, separators), food processing (beverage production), papermaking, textiles, and cosmetics industries.
Construction Industry Applications
LH-1829 and LH-1831 are extensively used in building materials production including paint printing and dyeing, calcium silicate, asbestos tiles, and concrete.
Product Specifications
| Specification |
LH-1829 |
LH-1831 |
| Appearance |
Colorless to slightly red transparent liquid |
| Acid value (mgKOH/g ≤) |
≤ 0.2 |
| Cloudy Point (≤ mg/kg) |
|
10 - 12 |
| Hydroxyl value (mgKOH/g) |
29 - 33 |
28 - 32 |
| Water content (w/% ≤) |
≤ 0.2 |
Packaging & Storage
Packaging: Available in 25kg, 50kg, 120kg, 200kg plastic barrels or ton barrels.
Storage: Six-month shelf life. Store at room temperature away from heat sources and direct sunlight. Keep containers sealed to prevent contamination. Slight delamination does not affect product performance.
Transport: Requires sealed containers and protection from prolonged sun exposure.
About Lihong Technology
Lihong Technology maintains significant investment in safety and environmental protection facilities, holding second-level production safety standardization certification. Many products have achieved food-grade certification.
The company operates advanced quality management and information systems to ensure superior product quality control. With over 30 industry experts and three R&D platforms, Lihong drives innovation in polyurethane materials.
Current achievements include 5 invention patents, 22 utility model patents, and over 10 pending invention patents. The company's specific functional flame-retardant polyether polyols project is recognized as a key R&D initiative in Huai'an City.
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Frequently Asked Questions
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