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About Yuyang

Foshan Yuyang Medical Instrument Co., Ltd was founded in 2009, located in Foshan in Guangdong-Hong Kong-Macao Greater Bay Area where is the biotech science industrial cluster city. The factory covers 13000 square meters, with 100000 grade clean room 1000 square meters, with over 200 workers, over 30 technicians for R&D. As a high tech enterprise with numbers of products structure technology patents, Yuyang medical is professional in R&D, producing and selling disposable medical consumables, in-vitro diagnostic consumables and laboratory consumables. The products are widely used for the test of Covid, Dengue fever, drug and food safety.

Blood&Sample Collector Rapid Test Kit Cassette Centrifuge Tube Test Tube Extraction Tube PCR Consumables Pipette Tip Other Consumables

Our Product Range

Our main products include IVD/POCT in vitro diagnostic plastic parts, gold standard test cartridges, liquid storage tubes, quantitative samplers, fluorescence quantitative test cartridges, HCG test pens, drug test cards and urine test cups, saliva test cards and test bottles, centrifuge tubes, and other biological and medical consumables.

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Extraction Tube Blood&Sample Collector Centrifuge Tube Rapid Test Kit Cassette Handle Type Sampler Instruction of Blood&Sample Collector

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Yuyang has always adhered to the company philosophy of "innovation driven, quality first, and attentive service", taking customer customization and independent brand driven as the development policy, relying on years of industry experience and a strong technical research and development team, and has provided OEM and ODM services to many well-known biomedical manufacturers at home and abroad

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Vision: Yuyang focuses on customers and is committed to becoming the most reliable partner in the biomedical industry.

Mission: Stick to the industry, Maintain the spirit of craftsmanship, Provide professional services. Corn Value:Technology driven, Keep Improving ,strives for perfection.

Contact Message

Contact

Email：sales02@nhyuyang.com

Contact Number

Rebecca Tan +86 18942475969

Adress：3th 26# Honggang Industrial, Lishui Town, Nanhai District, Foshan, Guangdong, China

Zip Code：528000

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Plastic Mold Polishing Process

1. Fine polishing

Diamond grinding paste is mainly used for fine polishing. If using a polishing cloth wheel to mix diamond grinding powder or paste for grinding, the usual grinding sequence is 9 μ m（#1800）~ 6 μ m（#3000）~3 μ m（#8000）。 nine μ M's diamond grinding paste and polishing cloth wheel can be used to remove hairlike grinding marks left by # 1200 and # 1500 sandpaper. Then polish with adhesive felt and diamond grinding paste in the order of 1 μ m（#14000）~ 1/2 μ m（#60000）~1/4 μ m（#100000）。 The accuracy requirement is 1 μ Above m (including 1 μ m) The polishing process can be carried out in a clean polishing room in the mold processing workshop. For more precise polishing, an absolutely clean space is necessary. Dust, smoke, dandruff, and saliva can all scrap high-precision polished surfaces obtained after hours of work.

2. Rough throwing

After milling, electrical discharge, grinding, and other processes, the surface can be polished using a rotary surface polishing machine or ultrasonic grinding machine with a rotational speed of 35000-40000 rpm. Common methods include using diameter Φ Remove the white spark layer from the 3mm, WA # 400 wheel. Then there is manual oilstone grinding, and the strip-shaped oilstone is added with kerosene as a lubricant or coolant. The general usage order is # 180~# 240~# 320~# 400~# 600~# 800~# 1000. Many mold manufacturers choose to start with # 400 to save time.

3. Semi precision polishing

Semi-fine polishing mainly uses abrasive paper and kerosene. The number of sandpaper is sequentially: # 400~# 600~# 800~# 1000~# 1200~# 1500. In fact, # 1500 abrasive paper is only suitable for hardened mold steel (above 52HRC), not for pre hardened steel, as this may cause burns to the surface of pre hardened steel parts.

4. Fine polishing

With grinding paste for fine polishing, 8000010000 will reach the mirror surface.

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