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Contact: Huagong
Company: Dalian Huagong Innovation Technology Co., Ltd.
No.25-18 Yaobei Road, Ganjingzi District,Dalian, P.R.China
Dalian 116037
China
Phone: +86-13390021336
Fax: +86-411-39525009
E-Mail: Send Inquiry
Date/Time:  10/19/18 7:42 GMT
 

barrier-strip foam technique

A. Foaming technique may reduce energy consumption resulted from air
circulation
of barrier-strip heat insulation molding. Non-foamed K-value is 2.3 to 3.5, and
the K-value of foamed profile can be lowered to 1.5 to 2.
B. Preventing siphonage effect: PA66GF25 heat insulating strip has certain
water
absorption. In winter, steam generated from air circulation inside profile
cavity
is absorbed by heat insulating strip, and brittle rupture will occur when
coefficient of linear expansion reaches 30%. This will not happen to the
profile
after foaming, and PU foaming absorbs no water.
1、Stopping convection phenomenon in barrier-strip cavity, and improving heat-
insulating performance of doors and windows.
Foaming technique may reduce energy consumption resulted from air circulation
of
barrier-strip heat insulation molding. Non-foamed K-value is 2.3 to 3.5, and
the
K-value of foamed profile can be lowered to 1.5 to 2.
2、 Preventing siphonage effect and seepage phenomenon resulted from the
physical
connection part between heat-insulating strip and metal.
PA66GF25 heat insulating strip has certain water absorption. In winter, steam
generated from air circulation inside profile cavity is absorbed by heat
insulating strip, and brittle rupture will occur when coefficient of linear
expansion reaches 30%. This will not happen to the profile after foaming, and
PU
foaming absorbs no water.
3、Preventing shrinkage of heat-insulating strip that will break away from
connection due to freeze expansion after hydrops inside thermal-insulation
cavity.

4、Help to improve profile’s integral rigidity.
Effectively making up for the insufficient press-in in profile’s insertion
process that leads to defective goods.

Minimum Order: 1 sets

barrier-strip foam technique
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