को फाइदा
कालो पर्दाछायांकन र तातो इन्सुलेशन हो, तर यसको नुकसान formaldehyde को गन्ध हो। यदि तपाईंले फारमल्डिहाइड हटाउने राम्रो कार्य गर्नुभएन भने यसले मानव शरीरमा नराम्रो प्रभाव पार्न सक्छ। यसैले सबैले भियन्टिलेसनको राम्रो काम गर्नुपर्दछ
कालो पर्दाभर्खर प्रयोग भयो।
1. In short, the blackout curtain is a kind of curtain with shading function made by the design and sewing of decorative cloth. Conventional कालो पर्दा are replaced with opaque or thicker fabrics on the basis of traditional curtains, so as to achieve basic control of light and achieve a shading effect.
२. सबैभन्दा ठूलो सुविधा
कालो पर्दा is shading. No matter what kind of material the कालो पर्दा have a shading effect, but now the कालो पर्दा on the market have not reached the 100% refractive index, which means that if there are businesses in the market to promote their shading rate as high as 100%, it is a lie Human. In fact, the current
कालो पर्दा can eliminate 80% of the ultraviolet radiation. At the same time, the कालो पर्दा also have the advantages of light and wind. Some कालो पर्दा with relatively transparent materials can even see outdoor scenery.
3.Everything is single-sided but double-sided. The कालो पर्दा are poisonous and not just a rumor. This is mainly related to the material of the
कालो पर्दा. At present, the कालो पर्दा on the market are mainly divided into two kinds of curtains, physical shading and chemical shading. The physical shading curtains only add a layer of shading fabric to the original curtain, which is green and environmentally friendly. However, chemical कालो पर्दा have an additional coating on the outside of the curtains. Due to the use of glue, the curtains have some pungent odors, and naturally they cannot be completely non-toxic.