Factory Cheap Hot Refrigerator&Insulation Containers - Donpanel 415PIR HFC-365mfc base blend polyols for PIR – INOV

Donpanel 422 HCFC-141b base blend polyols for continuous PUR

INTRODUCTION

DonPanel 415/PIR is a compound which consists of polyols, surfactants, catalysts, and flame retardant , mixture of HFC-245fa as blowing agent in a special ratio. The foam has good thermal insulation property, light weight, high compression strength and flame retardant and other advantages. It is widely used to produce sandwich plates, corrugated panels etc, which applies to make cold stores, cabinets, portable shelters etc.

PHYSICAL PROPERTY

 

DonPanel 415/PIR

ISO

Appearance

Light yellow to brown liquid

Brown liquid

Hydroxyl value mgKOH/g

200-300

N/A

Dynamic viscosity (25℃) mPa.S

300-500

200-250

Specific gravity (20℃) g/ml

1.10-1.16

1.20-1.25

Storage temperature ℃

10-25

10-25

Storage stability month

6

12

RECOMMENDED RATIO

Raw materials

PBW

DonPanel 415/PIR

100

Isocyanate

130-150

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

Items

Manual mixing

High Pressure Injection machine

Raw material temperature ℃

20-25

20-25

Moulding temperature ℃

35-45

35-45

Cream time s

30-50

20-30

Gel time s

120-200

70-150

Free density kg/m3

28-31

27-30

FOAM PERFORMANCES

Moulding density

ASTM D 1622-08

≥45kg/m3

Closed cell content

ASTM D 2856

≥90%

Thermal conductivity(23℃)

ASTM C 518-10

≤24mW/(m.K)

Compression strength

ASTM D 1621-10

≥140kPa

Dimensional stability 24h -20℃

                        24h 100℃

ASTM D 2126-09

≤1%

≤1.5%

Flammability

DIN4102

B2

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.