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LABO

Quality control

Assuring high quality and safety
through strict inspections by our in-ho laboratory

To assure high quality and safety, we have set up an in-house laboratory where we carry out strict inspections complying with JIS and ISO standards for conditions such as durability and color fading. By internalizing inspections rather than entrusting them to an outside agency, we can achieve speedy quality checks for newly developed products from Japanese and foreign manufacturers. This enables quick supply. We believe this to be the value we provide through acting as an intermediary trading company.

QUALITY

Passion for quality

JNLA

JNLA

Shimada Shoji has been certified as a testing location that conforms to the requirements of ISO/IEC 17025, a standard set by the International Organization for Standardization and the International Electrotechnical Commision, and was registered as a testing operator under the JNLA system in May 2018.
JNLA is the abbreviation for Japan National Laboratory Accreditation System. It is a program under which the national government examines whether testing operators have the technical capabilities needed to conduct JIS testing appropriately and registers those that do. Registered testing operators can issue testing certificates with the JNLA logo as proof of their registration.
We strive to supply products with performances that have been proved to be highly reliable by testing under the JNLA system.

International standard ISO 14001

International standard ISO 14001

Corporations are increasingly being called upon to conduct their business in an environmentally friendly manner. In March 2001, as part of Shimada Shoji’s efforts to be a responsible manufacturer, the company had its head office certified under the ISO 14001 environmental management standard. In cooperation with affiliates, business partners, and suppliers, Shimada Shoji has striven to develop and offer environmentally friendly products, save energy and resources, implement green procurement, reduce and separate waste, and protect the environment surrounding our sites and those of our partner factories.

IN-HOUSE LAB

The laboratory that supports quality

Light-fastness testing

Light-fastness testing

We evaluate the degree of discoloration and fading of a material due to the action of light (ultraviolet rays) while being worn and while being dried outside after washing.

Washing-fastness testing

Washing-fastness testing

We evaluate the degree of discoloration and fading of dyed fabrics and accessories and their contamination to other fibers as a result of home laundering.

Persipiration-fastness testing

Persipiration-fastness testing

We evaluate the degree of discoloration and fading of a material, and contamination to other fibers during long periods of wear when wet with sweat.

Water-fastness testing

Water-fastness testing

We evaluate the degree of discoloration and fading of a material, and contamination to other fibers during long periods of wear when wet with water.

Rubbing-fastness testing

Rubbing-fastness testing

We evaluate the degree of contamination to other clothing items caused by the friction of cloth and small accessories during wear.

Sublimation-fastness testing

Sublimation-fastness testing

We evaluate the degree of contamination to other overlapping fabrics during long-term storage at high temperatures.

Bleeding testing

Bleeding testing

We evaluate the degree of transfer from dark sections to white or light sections in products with stripes or combinations of different colors and shades.

Dimensional change ratio (press method)

Dimensional change ratio (press method)

We investigate stretching and shrinkage, and changes in appearance of fabrics due to steam and heat from pressing.

Immersion testing

Immersion testing

We evaluate the degree of stretching and shrinkage of fabrics when immersed in water or detergent at a constant temperature.

Home laundering testing

Home laundering testing

We investigate stretching and shrinkage of fabrics due to liquids and mechanical force in conventional household washing machines.

Dimensional change ratio(Washing)

Dimensional change ratio(Washing)

We evaluate stretching and shrinkage, and changes in appearance of fabrics due to home laundering and drying, corresponding to the new JIS L0001 standard.

Washing Resistance(continuous testing)

Washing Resistance(continuous testing)

We evaluate the peel resistance of transfers. We can repeat laundering up to 99 times.

Dimensional change ratio(Washing)

Dimensional change ratio(Washing)

We evaluate stretching and shrinkage, and changes in appearance of fabrics due to home laundering and drying, corresponding to international standards (ISO).

Jungle testing

Jungle testing

We set a period and investigate the aging of the product in an environment at a temperature of 70°C and humidity of 95% or higher.

Metal content analysis

Metal content analysis

We investigate the content of heavy metals (mainly lead and nickel), which are harmful to humans, by X-ray irradiation.

Tearing-strength testing

Tearing-strength testing

We evaluate whether fabrics will tear during wear and their strength when torn horizontally and vertically.

Burst-strength testing

Burst-strength testing

We evaluate whether knitted materials tear easily during wear and their strength.

Pilling testing

Pilling testing

We evaluate the occurrence of pilling on the fabric surface due to friction during wear and laundering.

Snagging testing

Snagging testing

We evaluate the occurrence of protrusions, pulls and loops in fabric threads due to snags on protrusions.

Slippage resistance testing

Slippage resistance testing

We evaluate the degree to which seams split, seam allowances come out and the like when force is applied to textile seams.

Tensile testing

Tensile testing

We investigate the strength of pull cords and the strength at which the tip part at the end comes out.

Pressure strength of button

Pressure strength of button

We investigate the compression strength when pressure is applied to buttons when pressing or the like.

Button-impact testing

Button-impact testing

We investigate the strength of lead against impact when an impact is applied to buttons during wear and when tumble drying.

Abrasion testing

Abrasion testing

We evaluate the peel resistance of transfers, decals, bonding materials, etc.

We welcome your inquiries and comments.