K-2800 Opening Agent - Polyurethane Foaming Additive For Soft Foam
K-2800 is a specialized polyurethane additive designed as a milky white slow-rebound opening agent for slow-rebound sponge applications.
Key Features
- Significantly reduces surface tension to promote cell rupture and increase sponge opening rate
- Maintains optimal foaming performance without negative impact
- Delivers smooth feel with even, delicate cell structure
- Odor-free formulation without oil-like seepage issues
Opening Agent * Polyurethane Additive * Made In China
Product Parameters
| Parameter |
Specification |
| Model |
K-2800 |
| Appearance |
Transparent, viscous liquid |
| Viscosity (25℃ mpa.s) |
4500～10000 |
| pH Value |
5.0～8.0 |
| Water Content |
0.3 |
Note: Above values represent typical results and are not considered specifications. Actual properties should be verified with specific Certificate of Analysis (COA).
Opening Agent * Polyurethane Additive * Made In China
Product Line Comparison
| Parameter |
KF-28 |
K-1800 |
K-1900 |
K-2800 |
| Appearance |
Transparent, viscous liquid, no mechanical impurities |
Milky white liquid |
Milky white liquid |
Milky white liquid |
| Chroma (≤ Pt-Co) |
100 |
100 |
100 |
100 |
| Acid Value (≤ mgKOH/g) |
0.08 |
0.08 |
0.08 |
0.08 |
| Water Content (≤) |
0.08 |
0.08 |
0.08 |
0.08 |
| pH |
5.0～8.0 |
5.0～8.0 |
5.0～8.0 |
5.0～8.0 |
| Viscosity (25℃ mpa.s) |
900～1300 |
4000～9000 |
3500～8000 |
4500～10000 |
Opening Agent * Polyurethane Additive * Made In China
Packaging, Handling & Storage
Packaged in new steel drums, 200KGS per drum.
Store in tightly closed containers in a dry, well-ventilated area. Opened containers must be carefully resealed and kept upright to prevent leakage. Store in cool conditions.
Shelf life: 12 months. Pre-testing recommended before use after expiration.
Safety Notice: When handling polyols, take precautions to avoid eye exposure or prolonged skin contact. If eye contact occurs, flush with plenty of water. For skin contact, wash thoroughly with soap and water.
Slow Rebound Foam Sponge * Polyether Polyol * Made In China
Frequently Asked Questions
Are you a factory or trading company?
We are a factory.
Where is your factory located? How can I visit there?
Our factory is located in Huai'an City, Jiangsu Province, China. All clients, domestic and international, are warmly welcome to visit us!
Can I get some samples?
Yes, we can supply free samples, but shipping costs are paid by customers.
Can you accept small orders?
Yes.
What are your payment terms?
1) 30% T/T down payment with balance against copy of B/L; 2) or 100% L/C at sight.
What is your delivery lead time?
Approximately 7-14 days after payment confirmation (excluding Chinese holidays).
Which port is used for loading?
Nanjing Port or Shanghai Port.
How can we confirm product quality before placing orders?
Free samples available for testing. We manufacture according to your specific requirements with pre-production samples before mass production and final inspection before shipment.
How about import customs fees?
Our sales team will declare values as requested. Import duties, taxes, and charges are not included in item price or shipping and are the buyer's responsibility. Please check with your country's customs office to determine additional costs. If goods are returned or destroyed due to customs clearance issues, related costs will be paid by customers.
Slow Rebound Foam Sponge * Polyether Polyol * Made In China
About Us
Jiangsu Lihong Technology Development Co., Ltd. is a national high-tech enterprise integrating R&D, production, sales, and technical services. Located in the Salt Chemical New Materials Industrial Park in Huai'an City, Jiangsu Province, our facility covers 150 acres with total investment exceeding RMB 500 million. We operate 14 industry-leading production lines with annual capacity exceeding 100,000 tons.
The company operates the Key Laboratory of Green Polyurethane Materials in Huai'an City and holds certifications as a national high-tech enterprise, specialized and innovative SME in Jiangsu Province, private technology-based enterprise in Jiangsu Province, and member unit of the China Polyurethane Industry Association.
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