1) It is exquisitely manufactured with its reasonable construction and wuperior quality. 2) It is equipped with cam motion takep-leuvr,oscillating shuttle and straight lock stitch. 3) It can be used according to buyer's requirements in treadle type,hand-operated type or with elec-tric motor installation 4) Suitable for families and gar-ment factories in sewing cotton ,ramie,woolen,wilk fabrics and doing embroideries. Export standard carton and welcome OEM. Â Â SERVICE CUSTOMER,QUALITY FIRST. Â If any questions, please feel free to contact us, thanks.
The role of the brightener is to convert the invisible ultraviolet radiation absorbed by the product into purple-blue fluorescent radiation, which complements the original yellow radiation to become white light, and improves the whiteness of the product under sunlight. Brighteners have been widely used in textiles, papermaking, washing powder, soap, rubber, plastics, pigments and paints.
Generally, brighteners are divided into two categories, one is water-soluble brighteners, and the other is water-insoluble brighteners. The former can be used as a brightener for paper, paint, washing powder and cotton fabrics. The latter can be used for whitening of chemical fibers and plastics.
It is often divided into:
This product is especially used for the molding and processing of various plastics and plastic products under high temperature. Because of its good heat resistance, light resistance and chlorine resistance, it is a brightener for polyester fibers. Polyester, cotton and other fiber blended fabrics The whitening effect is also particularly ideal, and can be used for the whitening of polyester stock solution.
Optical Brightener,Optical Brightener For Pvc,Optical Brightener Masterbatch,Optical Brightener Ob1,Price Optical Brightener Henan Shunbang Chemical Industry CO.,Ltd , https://www.suspensionpvc.com
JA-2-2 Household Sewing Machine    Â
 
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For embroidery and sewing various kinds of light and heavy fabrics. Operted not only with foot pedal, but also with a handle. Mini motor and case are available for your option. Model JA-2-2 has a forward and backward material feeding device for double stitch without reversing the fabirics. In addition, it has a
drop feed regulator to adjust the feed up and down.
 
1. household/domestic sewing machineÂ
2.hand is availableÂ
3.good qualityÂ
4. chinese supplier 
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Fluorescent brightener for detergents; Fluorescent brighteners for textiles; Fluorescent brighteners for papermaking; Fluorescent brighteners for plastics and synthetic materials; Fluorescent brighteners for other purposes.
Model NO.: JA-2-2 Household Sewing Machine
Place of Origine: Zhenjiang China Mainland
Overall Dimensions: 420*200*290mm
Classification: Sewing Machine
Type: Garment
Automatic Grade: Semiautomatic
Trademark: WORLDEN OR OEM FOR CUSTOMER
Origin: China
HS Code: 8452290000