Building sheet series DonPanel412 DonPanel412's combination polyether polyol uses HCFC-141b as a blowing agent. The foam formed by the reaction with isocyanate has the advantages of good heat insulation effect, light weight, high compressive strength and excellent flame retardancy. This product is widely used in batch production of sandwich panels, corrugated sheets and other sheet products for the assembly and construction of cold storage, display cabinets, simple movable rooms, etc.

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Building insulation products

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Product description

Building sheet series

DonPanel412

The combined polyether polyol of DonPanel 412 uses HCFC-141b as a blowing agent. The foam formed by the reaction with isocyanate has the advantages of good heat insulation effect, light weight, high compressive strength and excellent flame retardancy. This product is widely used in batch production of sandwich panels, corrugated sheets and other sheet products for the assembly and construction of cold storage, display cabinets, simple movable rooms, etc.

1. It has excellent fluidity, and the generated foam is light in weight, uniform in density distribution and low in thermal conductivity.

2. It has excellent low temperature dimensional stability and excellent adhesion.

3. It has good compressive strength and high flame retardant performance.

Molding density	GB/T 6343	≥38kg/m3
Closed cell ratio	GB/T 10799	≥90%
Initial thermal conductivity	GB/T 10294	≤22mW/(m.K)
Compressive strength (perpendicular to the direction of rise)	GB/T 8813	≥140kPa
Dimensional stability 24 hours -20°C 24 hours 100°C	GB/T 8811	≤1% ≤1.5%
Flame retardancy	GB/8624	B3

DonPanel422/PIR

This product is a combination polyether polyol with special polyether polyol as the main raw material and special additive. It has the following characteristics:

1. The combined polyether and isocyanate have better fluidity during the reaction, and the resulting foam has a uniform density distribution, excellent thermal insulation, excellent dimensional stability and cohesiveness;

2. By adjusting the formula, it can meet the requirements of different continuous sandwich panel production lines.

project	Testing standard	index
Molding density	GB/T 6343	≥40kg/m3
Closed cell ratio	GB/T 10799	≥90%
Water absorption rate	GB8810	≤3%
Initial thermal conductivity (15 ° C)	GB/T 10294	≤22mW/(m.K)
Compressive strength (perpendicular to the direction of rise)	GB/T 8813	≥150kPa
Dimensional stability 24 hours -20°C 24 hours 100°C	GB/T 8811	≤0.5% ≤1.0%
Flammability rating	GB/T8624	B2

DonPanel423/PIR

This product is a combination of special polyether polyol as the main raw material, cyclopentane as a foaming agent, and a special polyether polyol mixed with special additives. It has the following characteristics:

1. Green environmental protection has no greenhouse effect and does not destroy the ozone layer;

2. The combined polyether and isocyanate have better fluidity during the reaction, and the resulting foam has a uniform density distribution, excellent heat insulation, excellent dimensional stability and cohesiveness;

3. By adjusting the formula, it can meet the requirements of different continuous sandwich panel production lines.

Molding density	GB/T 6343	≥40kg/m3
Closed cell ratio	GB/T 10799	≥90%
Initial thermal conductivity (15 ° C)	GB/T 10294	≤22mW/(m.K)
Compressive strength (perpendicular to the direction of rise)	GB/T 8813	≥150kPa
Dimensional stability 24 hours -20°C 24 hours 100°C	GB/T 8811	≤0.5% ≤1.0%

DonSpray502 Building Spray Series

DonSpray502 is a high-density sprayed combination of polyether polyol. The foam formed by the reaction with isocyanate has the advantages of uniform and fine cells, low thermal conductivity, good thermal insulation performance, good flame retardant performance and low temperature and no shrinkage. Widely used in various insulation projects using spray coating technology such as: cold storage, tanks, large pipelines, building exterior walls, building roof spraying and various special-shaped insulation projects。

Spray density	GB/T 6343	≥35kg/m3
Closed cell ratio	GB/T 10799	≥90%
Initial thermal conductivity (15 ° C)	GB/T 10294	≤24mW/(m.K)
Compressive strength	GB/T 8813	≥150kPa
Bond strength	GB/T16777	≥120 kPa
Elongation at break	GB/T9641	≥10%
Water absorption rate	GB8810	≤3%
Flame retardancy	GB/T8624	B1、B2
Dimensional stability 24 hours -20℃ 24 hours 70℃	GB/T 8811	≤0.5% ≤1.0%

DonSpray501 full water spray series

The combined polyether adopts water as a foaming agent, and has the advantages of low density and green environmental protection, and is widely used in the fields of automobile spraying, wooden house spraying and the like.

Spray density	9-11kg/m3
Compressive strength	≥30kPa
Flame retardancy	B2
Dimensional stability 24 hours -20℃ 24 hours 70℃	≤0.5% ≤1.0%

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