Rigid Polyurethane Blend Polyols for Discontinuous Panels

DBC-402B blend polyols is a compound which consists of polyether polyols surfactants catalysts foaming agent and flame retardant in a special ratio. The foam has good thermal insulation property light in weight high compression strength

  • Rigid Polyurethane Blend Polyols for Discontinuous Panels
    DBC-402B
    Product Introduction
    DBC-402B blend polyols is a compound which consists of polyether polyols surfactants catalysts foaming agent and flame retardant in a special ratio. 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 sandwich plates corrugated plates etc which applies to make cold stores cabinets portable shelters and so on.

  • Physical Property

    Appearance Light yellow transparent viscous liquid
    Hydroxyl value mgKOH/g 300-360
    Dynamic viscosity (25℃)mPa.S 250-350
    Density(20℃) g/ml 1.10-1.16
    Storage temperature ℃ 10-25
    Storage stability month 6

    Recommended Ratio

    Raw materials pbw
    DBC-402B blend polyols 100
    Isocyanate 100-120

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

    items Manual mixing High temperature machine
    Raw material temperature    ℃ 20-25 20-25
    Moulding temperature ℃ 35-45 35-45
    Cream times 30-50 20-30
    Gel times 120-200 70-150
    Free density kg/m3 24-26 23-26

    Foam Performance

    Moulding density GB 6343 ≥38kg/m3
    Closed-cell rate GB 10799 ≥90%
    Thermal conductivity(15℃) GB 3399 ≤22mW/(m.K)
    Compression strength(perpendicular to the direction of rising) GB/T 8813 ≥140kPa
    Dimensional stability    
    24h  -20℃ GB/T 8811  
    24h  100℃   ≤1.5%
    Flame retardant grade GB/T8624 Level B3 or B2

If you are interested in our products, please fill out the form below, we will contact you within 24 hours!

Apply To Be A Dealer

DBC-402B

HOT PRODUCT

CONTACT US

Address: No.307,Shanning Road,Shanyang Town,Jinshan District,Shanghai,China.

Fax: +86 21 3369 1934