LH-1670 Polyether Polyol for Slow Rebound Foam Sponge
LH-1670 is a specialized polyether polyol developed for producing slow rebound foam sponge with enhanced tear strength performance.

Key Features
LH-1670 is a special polyether polyol newly developed on the basis of LH-1621. Compared with the polyether flatulent slow rebound, ultra-soft sponges of LH-1621, it shows significant improvement in tearing performance with tear strength increased by 30%.
Slow Rebound Foam Sponge Polyether Polyol Made In China
Product Parameters
| Model | | LH-1670 |
|---|
| Appearance | | Transparent, viscous liquid |
| Hydroxyl value | ≤ mgKOH/g | 21~23 |
| pH value | | 5.0~8.0 |
| Viscosity | 25℃ mpa.s | 900~1300 |
Note: Above only represents typical results, and is not considered as specification. Actual property should be based on specific COA (Certificate of analysis).
Polyether Polyol for Slow Rebound Foam Sponge Production

Product Applications
- Good formulation tolerance, suitable for different formulations
- Excellent slow rebound effect and good reaction activity
- Significantly improved hand feeling and flexibility of foam sponge
Slow Rebound Foam Sponge Polyether Polyol Made In China
Product Parameters Comparison
| Model | | LH-1030 | LH-1621 | LH-1623 | LH-1625 | LH-1630 | LH-1670 | LH-3070 |
|---|
| Appearance | | Transparent viscous liquid without mechanical impurities |
| Chroma# | ≤ Pt-Co | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Hydroxyl value | ≤ mgKOH/g | 295~315 | 33~39 | 32~38 | 34~40 | 33~39 | 21~23 | 230~250 |
| Acid Value | ≤ mgKOH/g | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Water content (%) | ≤ | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| K+ | ≤ mg/kg | 5 | 10 | 10 | 10 | 10 | 10 | 5 |
| PH | | 5.0~7.0 | 5.0~7.0 | 5.0~7.0 | 5.0~7.0 | 5.0~7.0 | 5.0~7.0 | 5.0~7.0 |
| Viscosity | 25℃ mpa.s | 250~350 | 1000~1500 | 1100~1600 | 1000~1500 | 8000~1200 | 900~1300 | 230~280 |

Instructions On Use And Storage
- Storage: Store in cool, dry place in tightly sealed packages, away from heat and light
- Transportation: Transport as non-dangerous goods
- Shelf Life: Two years
- Packaging: 25kg/drum, 200kg/drum and 900kg/drum (special packaging available upon request)
- Shipment: 7-14 days after receiving payment
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 our clients, from home or abroad, are warmly welcome to visit us!
Can I get some samples?
Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Can you accept small order?
Yes.
What is term of payment?
1) 30% T/T down payment and balance against the copy of B/L; 2) or 100% L/C at sight.
How about delivery leadtime?
About 7-14 days after payment confirmed (except Chinese holiday).
Which port will be used as loading port?
Nanjing Port or Shanghai Port.
How to confirm the Product Quality before placing orders? How can we guarantee quality?
You can get free samples for your testing. We can manufacture the products according to your specific requirement. Always a pre-production sample before mass production; Always final Inspection before shipment.
How about import customs fee?
Our sales will declare the value as customer's require normally. Import duties, taxes and charges are not included in the item price or shipping. These charges are the buyers' responsibility. Please check with your country customs office to determine what these additional cost will be prior to bidding/buying. If the goods were turned back or destroyed for unable customs-clearance, the related cost will be paid by customers.

About Us
Established in 2012, Jiangsu Lihong Technology Development Co., Ltd is a high tech enterprise integrating R&D, production and technique services. It is located in Huai An Salinized New material industry park, Jiangsu Province, covering an area of 666000 square meters, in which 45000 square meters are building areas.
In production, we follow strict procedures. From raw material choosing to the manufacturing process, all are handled professionally. To achieve this aim, we built the advanced quality control system and the information management system. DCS automatic control system has been used in the workshop to achieve higher accuracy production management.
Lihong Technology is an environmental friendly company which dedicates its effort to the environment protection, not only in the production process, but also in the daily routine of the company running. Our aim is more than providing qualified products to our clients. We care for the environment.