1. Rintangan pelarut yang sangat baik;
2. Permukaan produk adalah rata, tidak toksik, hambar, tahan jatuh, dan boleh memadamkan arka secara automatik.
3. Ia digunakan secara meluas dalam pinggan mangkuk, keperluan harian, Topeng pembedahan perubatan biasanya diperbuat daripada bahan bukan tenunan.
4. Ia selamat, bersih, tidak toksik dan tawar.
5. Keras, tahan lasak dan tidak mudah patah
6. [...]
classification
Kraft paper usually keeps its tan color, suitable for bags and wrapping paper. According to different properties and uses, kraft paper has different uses. Kraft paper is a general term for paper, which has no certain standard and is generally classified according to its [...]
Langkah 1: Kawal suhu wain merah. Secara tradisinya, suhu untuk minum wain merah ialah suhu bilik yang sejuk, antara 18 dan 21 darjah Celsius (wain putih adalah antara 9 dan 12 darjah Celsius). Pada suhu ini, red wines of all ages are in [...]
There are two methods to determine the density of warp and weft:
Direct measurement
The direct measurement is done by means of a cloth mirror or a fabric density analysis mirror. The scale length of the fabric density analysis mirror is 5cm. Under the analysis lens, [...]
1. Whiteness: no obvious color is required for the exposed glass.
2. Bubbles: a certain number of bubbles of a certain width and length are allowed, but those that can be pierced by a steel needle are not allowed.3. Transparent pimple: refers to the glass [...]
Dilindungi, who stands for self, alternative, fashion, translates as “Star” in French and Flemish. According to the different fermentation types, the strain can be divided into two types: vedett extra white and vedett extra blond. They are all produced in duvel winery of duvel [...]
Ink classification
The drying of one component ink (also called solvent volatile ink) depends on solvent volatilization. This ink does not have to be added with catalyst. There are two kinds of one component inks: glossy and non glossy. They are mainly used for printing [...]
Different collar types
Professional standard
Length and open angle are “gentle” collar called standard collar. This kind of shirt is common in business activities. The color is mainly monochrome and white. It is the most common and common style. It is not affected by age factors [...]
Champagne originated in France and was named for its place. Champagne was originally the name of a province in northeastern Paris, France. Legend has it that in 1760, Berry Rong, a monk of the Hatterwell Monastery in Champagne Province, put wine in a glass [...]
Corrugating paper is a kind of board-shaped material which is made of corrugated paper and corrugated paper. It is generally divided into single corrugated board and double corrugated board. According to the size of corrugating, it can be divided into five types: A, B, [...]