Labthink Testing Instruments

Fogging Characteristics Test Method of Leather used in Automobiles

admin — Wed, 08 Apr 2020 08:26:47 +0000

Leather is widely used in the passenger compartment of automobiles. The raw material of leather will be adjusted by adding additives when the trim materials used for automobiles are produced. Those additives are usually liable to volatile especially in an environment where the temperature is high.

The volatile components of the leather may float in the air and influence the air quality in the interior of automobiles or even condense on the surface of the auto glass and interfere the driver’s view in driving, which may become a potential threat to the driving safety. Therefore, it is quite necessary to test the fogging characteristics of the leather before using it in the interior of automobiles.

This article provides a simplified test method of the fogging characteristics of leather for your reference. The test specimens are leather used in the seats of one brand automobile. The testing instrument used for the tests is Labthink’s FT-F1 Fogging Tester.

Figure 1. Trims used in interior of automobiles

Currently there are mainly 2 test methods of the fogging characteristics of trims used in interior of automobiles i.e. reflectometer method and gravimetric method. Labthink’s FT-F1 Fogging Tester conforms to ISO 6452: Rubber- or plastics-coated fabrics-Determination of fogging characteristics of trim materials in the interior of automobiles and BS EN 14288-2003: Leather-Physical and Mechanical Tests-Determination of Fogging Characteristics.

In the tests, the preconditioned specimen is heated and evaporates in the beaker; the volatile constituents condense on the glass plate or aluminum foil treated in cooling chamber. Take off the glass plate or aluminum foil when the condensation process is finished. The fogging characteristics could be obtained by measuring condensed constituent weight and fogging value on the glass plate or aluminum foil and comparing with the data before condensation process.

The tests shall be performed according to the following procedures.

(1) Switch on the fogging tester and set test temperatures, maintaining temperature of high temperature bath at 100℃.

(2) Cut 3 pieces of specimen from the provided sample material. The diameter of the specimen shall be 80mm. Condition the specimens in a desiccant container at 23±2℃ for at least 2 days.

(3) Clean the glass beaker thoroughly and dry it.

(4) Weigh the weight of aluminum foil and record the value.

(5) Place the specimens into 3 glass beakers respectively. Add 10±0.1g dioctyl phthalate (DOP) into another glass beaker for comparison test. Then place sealing ring, aluminum which have been weighed, glass plate and filter paper successively on the top of glass beaker.

(6) Place the glass beakers into the high temperature bath (100℃). Place the cooling plate on the filter paper. The temperature of cooling water is 21℃ heated for 16 hours.

(7) Remove the aluminum foil and place it in the desiccant container for 3.5 ~ 4 hours with observed face facing upward. Then weigh the weight of aluminum foil. The difference of weight of aluminum foil before and after fogging test is the fogging value.

For more details about FT-F1 Fogging Tester, please visit www.labthink.com

About Labthink Instruments Co., Ltd:

Labthink Instruments Co., Ltd is one leading supplier of packaging testing instruments, which is headquartered in Jinan, China and operated in Boston, U.S.A.

How to test the fogging characteristics of the floor mat used in automobiles?

admin — Wed, 18 Mar 2020 08:30:11 +0000

Floor mat is one very common car accessory, which is usually made of leather. The raw material of leather will be adjusted by adding additives when the floor mats are produced. Those additives including organic solvent, liming auxiliary agent, degreasing agent for leather, soaking auxiliary agent, preservative, mildewcide and surfactant, etc. are usually liable to volatile especially in an environment where the temperature is high.

This article provides a simplified test method of the fogging characteristics of leather floor mat for your reference. The testing instrument used for the tests is Labthink’s FT-F1 Fogging Tester.

Figure 1. Leather Floor Mat for Automobiles

In the tests, the preconditioned specimen is heated and evaporates in the beaker; the volatile constituents condense on the glass plate or aluminum foil treated in cooling chamber.

The tests shall be performed according to the following procedures.

(1) Clean the glass beaker, glass plate and sealing cushion and let them dry completely.

(2) Cut 3 pieces of specimen from the provided sample material. The diameter of the specimen shall be 80mm. Condition the specimens in a desiccant container for 1 day.

(3) Switch on the fogging tester and set test temperatures, maintaining temperature of high temperature bath at 100℃.

(4) Measure the gloss value of the marked surface of the glass plate.

(5) Place the specimens into 3 glass beakers respectively. Add 10±0.1g Diisodecyl phthalate (DIDP) into another glass beaker for comparison test. Then place sealing ring, filter paper and glass plate which have been measured with gloss meter, successively on the top of glass beaker. The testing surface of the glass plate shall face downward.

(6) Place the glass beakers into the high temperature bath (100℃). Connect the cooling device. The temperature of cooling water is 21℃ heated for 3 hours.

(7) When the test is finished, remove the glass plate. Then place the glass plate in a desiccant container for 1 hour. The surface with condensed volatile constituents shall face upwards. Then measure the gloss value of the glass plate.

(8) Finally compare the gloss value of the glass plates after and before the fogging tests and calculate the ratio.

The average value of the 3 test specimens is the final test result. Generally, the higher the ratio is, the more volatile constituents are. The qualified leather floor mat for automobiles shall have a comparatively small test result.

For more details about FT-F1 Fogging Tester, please visit www.labthink.com

About Labthink Instruments Co., Ltd:

Labthink Instruments Co., Ltd is one leading supplier of packaging testing instruments, which is headquartered in Jinan, China and operated in Boston, U.S.A.

Understanding a Fog Testing System

trade — Tue, 18 Feb 2014 08:19:00 +0000

Introduction

The term “Fogging” refers to the film that collects on the inside of vehicle window glass. Of particular interest is the windshield, because this film can both limit light transmittal as well as refract the light that is transmitted, impairing

visibility and creating safety concerns. A fogging test system is designed to determine the fogging value as defined in the various standards as well as compare types of materials used in vehicle cabins:

DIN 75201 — Determination of the windscreen fogging characteristics of trim materials in motor vehicles
ISO 6452 — Rubber- or plastic coated fabrics – determination of fogging characteristics of trim materials in the interior of automobiles
SAE J1756 — Determination of the fogging characteristics and interior automotive materials

A new area for the fogging test within the automobile industry is HID (High Intensity Discharge) headlight components. HID lights operate at high temperatures in a micro-environment typically comprised of a polymer reflector and lense and the glass HID bulb. The outgassed SVOCs re-condense on all surfaces of the bulb, reflector and lens when the HID light is turned off. The resultant film reduces light transmittal from all components and refracts or scatters the light in undesirable directions, potentially reducing night time visibility for the driver.

Methods

Fogging Behavior DIN 75201 Reflectometric method, photometric method, fogging method, gloss method

According to this method, a prepared sample is placed in a beaker that is then covered with a glass plate. The plate’s Reflective Index has been measured and recorded using a handheld reflectometer. For a period of three hours the sample is heated to 100°C, while the glass plate is cooled to 21°C. The heat causes the sample to release SVOC gasses that condense on the cooled glass plate creating a “Fog” (F). The Reflective Index of the fogged glass is measured and recorded.

Fogging value (Fv) is expressed as a percent of change in the 60° Reflective Index of a glass plate that has been fogged in accordance with the procedures (R1) to a clean glass plate (R2).

Fv = (R2 x 100)/R1

Where:

Fv = Fogging value

R1 = the mean initial reflective index of the glass plate with the fogging condensate

R2 = the mean initial reflective index of the glass plate

DIN specifies the maximum value for Fv in this test at 90%

fogging tester with these three test methods

Fogging Behavior DIN 75201 Gravimetric method

According to this method, a prepared sample is placed in a beaker that is then covered with an aluminium foil disk. The disk’s mass has been measured and recorded. For a period of sixteen hours the sample is heated to 100°C, while the aluminium foil disk is cooled to 21°C. The heat causes the sample to release SVOC gasses that condense on the cooled aluminium foil disk creating a “Fog” (F) that has a measurable mass (m). The amount of fogging condensate is determined by weighing the aluminium foil disk again after the test and subtracting the known mass of the same aluminium foil disk before fogging.

mF = m2 – m1

mF = the mass of the fog condensate collected during the test

m1 = the initial mass of the disc of aluminum foil (milligrams)

m2 = the mass of the disc of aluminum foil with the fogging condensate (milligrams)

This is the preferred method because the longer run time and simple measurements increase accuracy while minimizing errors inherent in the reflectometric method such as contaminated or damaged glass, using the incorrect side of the glass, or errors in measuring the reflective index

Fogging Behavior DIN 75201-A Haze method

The hazing method uses the same process as the reflectometric but instead of measuring the Reflective Index of the glass, a haze meter is used. The haze meter measures the light transmission through the glass plate both before and after the fogging process.

Fogging Test SAE J1756, ISO 6452, DIN 75201

trade — Tue, 07 Jan 2014 05:31:51 +0000

Materials used in vehicles, such as plastics, fabrics, rubber or leathers, will evaporate under high temperatures and condense on the windshield and create a fog, which causes dangerous driving conditions. Fogging test is right to measure fogging characteristics of these automotive interiors as well as HID lamps.

FT-F1 Fogging Tester is professionally designed for the fogging characteristics evaluation of volatile constituents of decorating materials used in cars and aircrafts, e.g. plastic articles, polyurethane, textiles, leather, adhesives, nonwovens and thermal forming elastomers at high temperature conditions. It also could be used for the fogging phenomenon test of high intensity discharge (HID) headlamps of cars.

Three test methods for inner materials of automotives

Gloss Method

the specimen is heated in the beaker and its volatile constituents are condensed on the cooling glass plate. The fogging value could be obtained by calculating and comparing the gloss values occurred before and after condensation process.

Haze Method

the specimen is heated in the beaker and its volatile constituents are condensed on the cooling glass plate. The fogging value of the specimen could be obtained by calculating and comparing the fogging values occurred before and after condensation process.

Weighing Method

the specimen is heated in the beaker and its volatile constituents are condensed on the cooling aluminum foil. The fogging value – the weight of condensed constituents could be obtained by analyzing the weight changes of aluminum foil occurred before and after condensation process.

Labthink Exhibits the Power of Intelligence in Chinaplas 2011

admin — Thu, 23 Jun 2011 03:37:56 +0000

On 17^th-20^th May, 2011, the 25^th International Exhibition on Plastics and Rubber Industries was held in Guangzhou. Labthink exhibited her newly developed X series of intelligent products, and demonstrated powerful functions of Labthink Cystem^TM Online Laboratory Management System, the new laboratory intelligence concept based on cloud-computing. All have obtained favorable responses and recognition, and Labthink booth became one of the crowded booths among the exhibitors.
Chinaplas 2011 is the debut for Labthink Cystem^TM Online Management System, the world leading technology in flexible packaging testing industry; it’s undoubted that this system became the focus. Labthink X series of intelligent instruments also drew the attention of the attending experts, based on their modern designs, patented structures and connecting property to the cloud-computing management platform, etc.
During the exhibition, every Labthink instrument was surrounded by visitors from different places and different industries: experts from quality inspection institutes and academies, engineers from packaging manufacturers, and technicians from packaging users… Detailed product performances and functions were inquired by the visitors, and the booth turned into a seminar for those new products. After learning detailed information, visitors were inspired by the intelligent laboratory management system of Labthink. Many of them expressed their desire for cooperation, among whom, Belorussian client signed the contract during the exhibition, and promised to establish long-term strategic cooperation with Labthink.
As the leader in flexible packaging testing industry, Labthink(http://www.labthink.cn/en) will go on devoting herself to technological innovation and provide industrial clients with more intelligent testing instruments!

More details about Labthink, please feel free to contact Shirley Wu via:

TEL: 0086-531-85061080

FAX: 0086-531-85062108

EMAIL: trade2@labthink.cn

SKYPE: shirley-labthink

MSN: shirleywu_labthink@hotmail.com

Car Lighting Leakage Tester

admin — Thu, 23 Jun 2011 02:28:34 +0000

LSSD-01 Leak and seal strength tester is applicable in car lighting leakage test, which produced by Labthink Instruments Co.,Ltd. It is the necessary equipment for auto companies and car lighting manufacturers.

To inflate designated pressure compressed air into car light inside and test the amount of gas leak. Then you could evaluate leakage property of car lighting by results.

Features:

Micro-computer control, LCD display;

Manu interface, PVC operation board;

Positive pressure method;

Adjustable testing range;

Two testing modes: expansion restraining and expansion non-restraining;

Multi-testing methods of burst test, creep test and creep to failure test.

“One key” testing process;

Automatic statistics;

Mini-printer;

RS232 port;

Network transmission interface for LAN data management and Internet data transmission.

Technical Indexes

Test Range: 0~250kPa; 0~36.3 psi (rountine)

0～400kPa;0～58.0psi (optional)

0～600kPa;0～87.0 psi (optional)

0～1.6MPa;0～232.1psi (optional)

Gas Source Pressure: 0.4MPa~0.9MPa (users provide gas sources by themselves)

Power: AC 220V 50Hz

More details please feel free to contact Shirley Wu via:

TEL: 0086-531-85061080

FAX: 0086-531-85062108

EMAIL: trade2@labthink.cn

SKYPE: shirley-labthink

MSN: shirleywu_labthink@hotmail.com

Related product:

More about Labthink (http://www.labthink.cn/en):

Labthink, focusing on laboratory testing instrument R&D, production and laboratory IT services as the core business, is dedicated to provide perfect and professional product quality control solutions for customers in packaging, food, pharmaceutical, medical, daily chemistry, printing, adhesive, automotive, petrochemistry, bioscience, construction, new energy and other industries.

Customers worldwide(parts):

Labthink, think for you only!

CHINAPLAS 2011: Labthink brings new Laboratory Testing technologies and advanced IT achievements

admin — Fri, 13 May 2011 09:30:53 +0000

Labthink launches brand-new Laboratory Testing Instruments and Laboratory IT services for films

Labthink at CHINAPLAS 2011: Booth S21, Hall 1.1

Labthink will participate Chinaplas 2011 at Booth S21 Hall 1.1 during 17~20, May in Guangzhou (China Import & Export Fair Pazhou Complex). We will bring new technology and products of Packaging Quality Control Testing Techniques to each visitor.

Labthink is willing to further strengthen exchanges with professionals of the plastic and rubber industry, and brings more professional information and services with her profound testing control techniques. Labthink(Booth S21, Hall 1.1), inviting and await for your presence respectfully.

For more details, please feel free to visit http://www.labthink.cn

or contact Shirley Wu via:
EMAIL: trade2@labthink.cn
SKYPE: shirley-labthink
MSN: shirleywu_labthink@hotmail.com

More about Labthink:

Labthink focusing on the laboratory testing instruments R&D and production and laboratory IT services, is dedicated to provide professional quality control solutions for customers in packaging, food, pharmaceutical, medical, daily chemistry, printing, adhesive, automotive, petrochemistry, bioscience, construction, new energy and other industries.

Labthink is an international enterprise headquartered in Jinan, China with administrative, sales and service branches in Shanghai, Guangzhou,Brussels and etc.,covering over 40 countries and regions.

More about CHINAPLAS:

CHINAPLAS –Asia’s No.1 International Plastics and Rubber Trade Fair

Accompanying the growth of China’s plastics and rubber industries for nearly 30 years, CHINAPLAS has become a distinguished meeting and business platform for these industries and has also largely contributed to their prosperous development. At present, CHINAPLAS is not only the largest plastics and rubber trade fair in Asia, but also widely recognized by the industry as the 3rd most influential exhibition in the world. Its significance is surpassed only by K Fair in Germany, the world’s premier plastics and rubber trade fair, and NPE in USA, the second largest plastics fair in the world.

Fogging Tester

admin — Thu, 17 Mar 2011 07:53:16 +0000

Fogging Tester is applicable in fogging test of automotives’ interior decoration materials, that will volatilize under higher temperature.

Fogging tester can be used to test the fogging of the xenon lights.

Fogging Tester conforms to standards of ISO 6452, DIN 75201 and SAE J1756 etc.

FEATURES:

1. Fit for laboratory running and low noise

2. Bath temperature control accuracy can reach 0.1 degree Celsius, creating precise testing conditions

3. Easy to operate and safe

4. Worldwide first class components, stable and reliable

5. Human friendly design

Technical data:

1. High Temperature Bath Range: room temperature~150ºC

(optional: room temperature~280ºC)

2. Resolution of High Temperature Bath: ±0.1ºC (150ºC)

3. Low Temperature Bath Range: 0ºC~100ºC

4. Resolution of Low Temperature Bath: ±0.1ºC

For more information, please feel free to leave us message.

Related product:

PARAM^TM TQD-G1 Air Permeability Tester

More about Labthink:

Labthink provides excellent testing equipments and services for Labs, quality and safety control of polymer materials, such as flexible packaging, pharmaceuticals, foodstuff, cosmetics packaging, printing, adhesive, automotive, petroleum chemistry, environment, biology, new energy, construction, astronautics and electronics.

Customers worldwide(parts):