Polyurethane Foam Systems for Continuous Boards
Polyurethane Foam Systems for Continuous Boards
Rigid Polyurethane Foam Systems
Polyurethane Foam Systems for Continuous Boards

DBC-402A

Product Introduction

Special polyether polyols is the main raw materials of this product, with special additives to constitute blend polyols, the characteristics are as follows,

1、good flowability in the reactivity process, the foam density distributes uniformity, with excellent dimensional stability and cohesiveness.

2、it can meet different requirements of continuous battenboard product lines

 Physical Property

Appearance                 

Hydroxyl value                    mgKOH/g

Dynamic viscosity  (25℃)        mPa.S

Density     (20℃)              g/ml

Storage temperature                  ℃

Storage stability                   Month

Light yellow transparent viscous liquid

 300-400

150-300

1.10-1.16

10-25

6

Recommended Ratio

Raw Material

Pbw

DBC-402A blend polyols

Isocyanate

100

100-110

Technology and Reactivity (the exact value varies depending on processing conditions)

Items

Manual mixing

High temperature machine

Material temperature       ℃

Moulding temperature      ℃

Rise time                 s

Gel time                  s

Free Density            kg/m3

25

40-45

10-20

35-65

30-35

25

40-45

6-15

20-40

30-35

Foam Performance

Foam density by moulding

Closed cell rate

Thermal conductivity(15℃)

Compressive Strength

(perpendicular to the direction of rising)

Dimensional Stability

                   (24h,-20 ℃)

                  (24h,100 ℃)

Flame retardance

GB 6343

GB 10799

GB 3399

GB/T 8813

 

 

GB/T 8811

 

 

GB/T8624

≥40kg/m3

                   ≥90%

   ≤22mW/(m.K)

                ≥ 100kPa

 

 

 

                 ≤1.0%

                 ≤1.5%

                Level 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.

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