a: Korea rhinestone
High brightness, no variegated pieces, drill. Cutting surface or spherical surface uniform, uniform color, defective rate of 0.5% -1%. Degumming the bottom of the probability of 0% -1%, no fade, high firmness. The back is light green, 10 sections, lead content is about 5%, ironing temperature is about 120 degrees, comprehensive defective rate is 3%-5%, after years of market verification, reliable quality, excellent washing Fastness, pure color, uniform cutting, and low price make it a mainstream product.
High brightness, no variegated film, uniform cutting surface or spherical surface, uniform color, defective product rate of 1%-3%, bottom removal probability of 0.5%-0.8%, no discoloration, high firmness.
b: Domestic rhinestone (acryl rhinestone )
Low brightness, variegated film, uneven cutting surface or spherical surface, uneven color, defective product rate of 3% -10%, degumming bottom probability of 1% -5%, will fade, low fastness. On the back is a dark green, 8-section product, no lead, and the ironing temperature is 80 degrees. The defective rate is high, the fastness is poor, and there are different shades of color. Because of its low price, it occupies a certain market share, and is mainly used in mass-produced garments.
Strictly speaking, acrylic is not a diamond. It is a product between plastic and glass. Brightness, good fastness, hot drilling temperature should not be too high, if more than 80 degrees, may lead to acrylic melt. However, in 2016, manufacturers have developed tempered acrylics that can withstand high temperatures.
c: Austria rhinestone
Abbreviation – Austrian diamond, high brightness, no variegated diamond, uniform cutting surface, uniform color, defective rate of 0.01%-0.02%
The gum is gray. There are three types of products: 14-cut, 12-cut, and 8-cut. The color and specification of 14-cut products are relatively complete. The material is 30% lead, hot drilling temperature is 175 degrees, comprehensive defective rate of 3% -5%, excellent quality, solid and reliable, can withstand washing and dry cleaning. However, the price is high and it is a non-mainstream market product.
d: Czech rhinestone
High brightness, no variegated diamonds, uniform cutting surface, uniform color, defective product rate of 0.01%-0.02%, hot drilling, warm yarn, elegant pattern, magnificent light, hot drilling and sweaters .
The adhesive is transparent and has bubbles. It is an 8-section product with 25% lead and an ironing temperature of 140 degrees. The overall defective rate is 3%-5%. The quality is excellent. The price is second only to the Austrian diamond. It is a mainstream market product.
Lead content determines the brightness of hot drilling, but the lead content is not as high as possible. After scientific experiments, when the lead content exceeds 30%, the brightness is the best, and the product without lead has the worst brightness.