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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Fast and superior quotations, informed advisers to help you choose the correct merchandise that suits all your requirements, a short generation time, responsible quality control and different services for paying and shipping affairs for Dashboard, Urethane Elastomer, Solvent Resistance Curing System, We believe in quality over quantity. Before export of the hair there is strict quality control check during treatment as per international quality standards.

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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Sticking to the perception of "Creating products of top of the range and earning mates with people today from all over the world", we constantly put the desire of consumers in the first place 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: Brasilia, United States, Gambia, Our company absorbs new ideas, strict quality control, a full range of service tracking, and adhere to make high-quality solutions. Our business aims to "honest and trustworthy, favorable price, customer first", so we won the trust of the majority of customers! If you are interested in our items and services, please do not hesitate to contact us!

Castable Polyurethane Prepolymer