How Do Professional Laundry Shops Disinfect Scientifically?

As global health awareness becomes higher, truly safe and hygienic washing service has become the key component to win customers’ faith and build industry competitiveness for laundry shops.

Customers may ask, “How do laundry shops ensure disinfection effects?”

Today, laundry shops are shifting from “clothes cleaning service providers” to “partners in guarding families and communities”. Customers expect their clothes to have a new look and remove invisible health threats such as bacteria, viruses, and allergens. Laundry shops should build a verifiable, traceable, and highly efficient disinfection process. However, they face multiple challenges during the practice, including tolerance differences of different fabrics, risks of disinfectant remaining, energy cost control, and verification of the final effects. So for laundry shops, it is the key to going beyond home washing with their specialized equipment, agents, and techniques to provide excess value for customers.

steam ironing

Chemical Disinfection

Chemical Disinfection is the basic method. Laundry shops should use different agents based on different fabrics and colors.

  • Chlorine Disinfectants (such as 84 Disinfectant): They apply to chlorine-resistant fabrics such as white cotton, linen, and chemical fibers, which need precise concentration control (such as 0.3%). Lower concentration is ineffective, while higher concentration will damage the fibers. Kingstar Industrial Washers with automatic dispatcher interface can precisely and simultaneously deliver disinfectants and other chemicals, to ensure the steady and consistent concentration of washing liquid in each tank without human errors.
  • Oxidizing Disinfectants (such as hydrogen peroxide and peracetic acid): They apply to delicate fabrics like colored cotton, linen, silk, and wool. They destroy microbial structure through strong oxidation and have relatively mild bleaching ability. Professional laundries strictly control the safe concentration (such as 0.5%) and make it work best at certain temperatures and PH levels. So the washing machine should have good liquid distribution and even mixing abilities.

Thermal Washing Disinfection

Thermal washing disinfection is an efficient and physical method. Washing for a certain time at temperature (50℃-80℃) can efficiently kill common pathogens, especially on heat-resistant fabrics like cotton and linen. But traditional equipment is often difficult to meet the needs such as fast heating, accurate temperature control, and low energy consumption. Kingstar washers can quickly reach and maintain the set temperature, ensure disinfection effects, and control energy costs.

Thermal Drying Disinfection

The drying process is very important. In a hot air environment of 45℃-70℃, tumbling drying for a certain time can remove moisture, and further kill residual microorganisms after washing by using dry heat. The benefit of Kingstar dryers lies in the hot air circulation system and precise temperature and humidity sensors, which ensures that each piece of clothing is wrapped in even and continuous hot air to disinfect and avoid hot spot damage to fabrics.

Ironing and Shaping Disinfection

Ironing is the most thorough disinfection step in the professional washing process. The high ironing temperature (up to 160℃) can quickly kill almost all bacteria and viruses. Professional ironing equipment provides not only high temperatures, but also continuous, stable, and even pressure and temperature. The last disinfection step makes clothes brand new, but requires outstanding thermal efficiency and temperature control stability.

Antibacterial Care

In the end, a professional antibacterial softener or fabric conditioner can form a micro-protective film on the surface of the clothing fibers, and achieve the antibacterial effects for a certain time, giving the clothes lasting fresh and extra protection. This reflects the service extension from disinfection to protection.

Q&A

Q1: What are the core processes of clothing disinfection at laundry shops?

A1: It mainly includes chemical disinfection, high-temperature washing disinfection, drying disinfection, and ironing disinfection. With professional disinfection aids, it can build an end- to end disinfection system.

Q2: How to safely disinfect delicate fabrics (such as silk and wool)?

A2: It can be gently disinfected by hydrogen peroxide. Kingstar dryer 45-60℃ low temperature drying mode and ironing at 160℃ can both disinfect and protect the clothes.

Q3: Is there a general international standard for laundry disinfection? What standards should laundry shops refer to?

A3: There is no single standard, but there are several authoritative references.

  • Standards in the medical and health area, such as EN 14065 (antimicrobial treatment) and ISO 15797 (industrial washing tests) for medical textiles.
  • Industry best practices: Laundry and textile care associations in many districts publish operational guidelines,
  • Equipment performance standards: Selecting equipment that meets strict manufacturing and performance standards is basic. Kingstar equipment, whose design and tests refer to the international standards, can help laundry shops establish a thermal disinfection process (such as maintaining a specific temperature and time). Laundry shops are advised to build their internal quality control standards with local hygiene requirements and international practices.
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