China 2019 wholesale price Castable Polyurethane Prepolymer - Donpanel 423 CP/IP base blend polyols for continuous PIR – INOV Manufacturer and Supplier

2019 wholesale price Castable Polyurethane Prepolymer - Donpanel 423 CP/IP base blend polyols for continuous PIR – INOV

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continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for Donboiler 212 Hcfc-141b Base Blend Polyols, Ms Polymer, Slow Resilience, First company, we understand each other. Further more company, the trust is getting there. Our enterprise normally at your provider anytime.

2019 wholesale price Castable Polyurethane Prepolymer - Donpanel 423 CP/IP base blend polyols for continuous PIR – INOV Detail:

Donpanel 423 CP/IP base blend polyols for continuous PIR

INTRODUCTION

DonPanel 423 system is a four components system which consists of blend polyols, polymeric MDI, catalyst and blowing agent (pentane series). The foam has good thermal insulation property, light in weight, high compression strength and flame retardant and other advantages. It is widely used to produce continuous sandwich panels, corrugated panels etc, which applies to make cold stores, cabinets, portable shelters and so on.

PHYSICAL PROPERTY

K1-blend polyols DonPanel 423

Appearance	Light yellow to brown transparent liquid
OHvalue mgKOH/g	260-300
Dynamic viscosity（25℃） mPa.S	1800-2200
Density （20℃） g/ml	1.10-1.16
Storage temperature ℃	10-25
Storage stability month	6

K2-Polymeric MDI DD-44V80

Appearance	brown transparent liquid
NCO content %	30.50
Dynamic viscosity （25℃） mPa.S	600-700
Density （20℃） g/ml	1.24
Storage temperature ℃	10-25
Storage stability month	12

K3-Cat 2816

Appearance	Light yellow transparent liquid
Dynamic viscosity （25℃） mPa.S	1200-1600
Density （20℃） g/ml	0.96
Storage temperature ℃	10-25
Storage stability month	6

RECOMMENDED RATIO

Raw materials	pbw
DonPanel 423	100 g
Cat2816	1-3 g
Pentane (Cyclopentane/Isopentane)	7-10 g
Polymeric MDI DD-44V80	135-155 g

TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)

Items	Manual mixing	High pressure machine
Raw material temperature ℃	20-25	20-25
Mould temperature ℃	45-55	45-55
Cream time s	10-15	6-10
Gel time s	40-60	40-60
Free density kg/m³	34.0-36.0	33.0-35.0

MACHINERY FOAM PERFORMANCES

Mold density	ISO 845	≥38kg/m³
Closed-cell rate	ASTM D 2856	≥90%
Thermal conductivity （15℃）	EN 12667	≤24mW/(m.K)
Compression strength	EN 826	≥120kPa
Adhesive strength	GB/T 16777	≥100kPa
Dimensional stability 24h -30℃	ISO 2796	≤0.5%
24h -100℃	ISO 2796	≤1.0%
Flame retardant grade	DIN 4102	Level B2 (no burning)
Water absorption ratio	GB 8810	≤3%

The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.

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Our organization has been focusing on brand strategy. Customers' gratification is our greatest advertising. We also source OEM provider for 2019 wholesale price Castable Polyurethane Prepolymer - Donpanel 423 CP/IP base blend polyols for continuous PIR – INOV , The product will supply to all over the world, such as: Somalia, Puerto Rico, Hanover, Based on our guiding principle of quality is the key to development, we continually strive to exceed our customers' expectations. As such, we sincerely invite all interested companies to contact us for future cooperation, We welcome old and new customers to hold hands together for exploring and developing; For more information, be sure to feel free to contact us. Thanks. Advanced equipment, strict quality control, customer-orientation service, initiative summary and improvement of defects and extensive industry experience enable us to guarantee more customer satisfaction and reputation which, in return, brings us more orders and benefits. If you are interested in any of our merchandise, make sure you feel free to contact us. Inquiry or visit to our company are warmly welcome. We sincerely hope to start a win-win and friendly partnership with you. You can see more details in our website.

Castable Polyurethane Prepolymer