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Rigid High B1 Class Fire Resistance Building Materials Polyurethane Foam Chemical for Roof Panel
Rigid High B1 Class Fire Resistance Building Materials Polyurethane Foam Chemical for Roof Panel
Rigid High B1 Class Fire Resistance Building Materials Polyurethane Foam Chemical for Roof Panel
Rigid High B1 Class Fire Resistance Building Materials Polyurethane Foam Chemical for Roof Panel
Rigid High B1 Class Fire Resistance Building Materials Polyurethane Foam Chemical for Roof Panel
Rigid High B1 Class Fire Resistance Building Materials Polyurethane Foam Chemical for Roof Panel

Rigid High B1 Class Fire Resistance Building Materials Polyurethane Foam Chemical for Roof Panel

Min.Order: 1,000
Product origin: Zibo, Shandong, China
Infringement complaint: complaintComplaint
US$ 1.8 ~ 3

Description
POLYOL BLEND LY7126

LY7126 is a formulated polyol system for continuous PIR panels and provides a good fire resistance.It is the mixture of polyol, flame retardant, silicone surfactant, water, catalyst. The blowing agent, HCFC-141B, should be added in premixing station. LY7126 gives a good mixing effect with polymeric MDI. The foam of this system has a good flowability, low thermal conductivity, good dimensional stability and excellent fire resistance properties.

PHYSICAL and CHEMICAL PROPERTIES  
 POLYOLISOCYANATE Test Method
ApperanceClear amber liquidDark brown viscous liquid 
Viscosity@20ºC800-1000cps170-230cpsASTM D 445
Specific gravity@20ºC1.15±0.01gm/cc1.23±0.01gm/ccASTM D 891
OH content450 mgKOH/g ASTM 4274
NCO 30-32%ASTM D 5155
Mixing Ratio100160 

RECOMMENDED PROCESS CONDITIONS
System temperature:/
Compoment temperature:/
Mould temperature:/

TYPICAL REACTION PROPERTIES       
 UnitsHandmixPACKING
Cream Time,secs/ 
Gel Time,secs/Blend Polyol in 220kg drums
Track Free Time,secs/
Free Rise Density,kg/m3Kg/m339-39.5

BURNING CHARACTERISTICS         
Self extinguishing to (ASTM 1692-MD/74)Classification-B1

HANDLING and STORAGE             
LY7126 Polyol and PU systems should be stored at room temperature below 25ºC in sealed drums.Agitate contents before use particularly after long standing.Precautions should be observed to avoid prolonged or repeated skin contact with the products or its introduction in or near to the eyes.If skin contact occurs all contaminated clothing should be removed and the effected skin area wiped with a cloth or paper towels saturated with ethanol or equivalent solvent followed by washing with soap and water.Goggle or eye shields should be worn when there is a danger of splashing or eye contact.With the exercise of such care LY7126 System should not present any undue hazard to health under normal working conditions(Protective clothing and eye protection is recommended when handling Polyol).


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