Welcome to Shanghai Dongda Polyurethane Co,. Ltd.

Rigid Polyurethane Blend Polyols for Spray Insulation

DQT-501B

[Description: ]

DQT-501B is high density spray blend polyols it reacts with isocyanate to produce foam which has excellent performances as below

  • Product Detailson
  • parameters
  • Installation video
  • download
Product Introduction

DQT-501B is high density spray blend polyols it reacts with isocyanate to produce foam which has excellent performances as below
1) fine and uniformity cells
2) low thermal conductivity
3) perfect fire resistance
4)excellent low temperature dimentional stability .
It applies to all kinds of thermal insulation engineering which use the spray such as cold warehouses pots large-scale pipelines construction roofs and all types of abnormal thermal insulation projects.

Physical Properties

Appearance Light yellow to brown viscous liquid
Hydroxyl Value mgKOH/g 200-300
Dynamic Viscosity (25℃) mpa.s 100-200
Gravity (20℃) g/ml 1.12-1.20
Storage Temperature℃ 10-25
Storage Stability month 6

Recommended Ratio

  pbw
DQT-501B blend polyols 100
Isocyanate 100-105

Reactivity Characteristics

Component temperature is 20℃ the actual value is varied according to pipe diameter and processing condition.
RTs 3-5
GTs 6-12

Foam Performances

Items Test Method Index
Spray Density GB 6343 ≥50kg/m3
Closed-cell Rate GB 10799 ≥90%
Initial Thermal Conductivity(15℃) GB 3399 ≤24mW/(m.K)
Compressive Strength GB/T8813 ≥300kPa
Adhesive Strength GB/T16777 ≥120kPa
Elongation at break GB/T9641 ≥10%
Dimensional Stability  24h  -20℃ GB/T8811 ≤1%
24h   70℃   ≤1.5%
Water Absorption GB 8810 ≤3%
Oxygen Index GB 8624 ≥26

Apply to be a dealerIf you are interested in our products, please fill out the form below, we will contact you within 24 hours!

Try a new code

Factory Website