Test Background
Rubber or plastic coated fabric is a product made of fabric as the skeleton material and rubber, plastic or thermoplastic elastomer as the coating material. Rubber or plastic-coated fabrics are widely used in various sectors of the national economy and in various fields of human life due to their light weight, multiple functions, convenient storage and transportation, and reliable use.
Accelerated aging of coated fabrics means that samples with predetermined properties are subjected to a certain period of controlled deterioration. The test method, aging temperature and time applicable to the accelerated aging test of coated fabrics are selected based on the purpose of the test and the type of coated fabric. The properties used to measure the aging of coated fabrics may be tensile properties, flexural properties, adhesion properties, or other physical or chemical properties.
Zhongke Testing Environmental Reliability Experiment Center has the capabilities of environmental testing and reliability performance testing of various rubber or plastic coated fabric materials and products, and provides professional accelerated aging test services for coated fabrics.
Scope of tests
1. Clothing: including raincoats, sportswear, protective clothing including accessories: protective caps, gloves, masks), bulletproof vests, etc.;
2. Inflatable categories: including car airbags, lifeboats/rafts, life vests, lifebuoys, inflatable slides, closed capsules for underground tunnels, etc., floating oil booms, balloons, motorboats, buoys, salvage buoys, drift boats, etc., rubber boats/boats for crossing, and military inflatables. Airboats, hovercrafts, inflatable motorboats, etc., as well as inflatable sundries, such as automobile suspension air springs, rubber jacks, inflatable rubber mandrels, inflatable rubber fenders, marine lifting capsules, inflatable buildings, lifting air bags, inflatable sports equipment, etc.;
3. Storage and transportation: including aircraft soft fuel tanks, ground soft fuel tanks, water tanks, storage and transportation water bags, offshore oil towing bags, natural gas capsules, oxygen capsules, etc.;
4. Other categories: such as rubber dams, wind guides, transformer diaphragms, sewer interceptors, sleeping bags, water-filled beds, diapers for infants and incontinent patients, stadium canopies, tents, awnings, bus connection awnings, anti-electronic radiation fabric shielding, radar antenna canopies, insulating tape, etc.
Test method
Method A: Heating method for testing the loss of volatile components of plasticized polyvinyl chloride-coated fabrics. The sample is exposed to a high temperature environment to accelerate the loss of volatile components, and then the loss of coating layer mass is measured.
Method B: General method: Subject the sample to air at high temperature and atmospheric pressure, and then evaluate the condition of the coated fabric.
Method C: Damp heat test method: The coated fabric sample is exposed to an air environment with a relative humidity of not less than 95% and a temperature of 70°C for a certain period of time. It is not suitable for materials that are continuously immersed in water during use.
Method D: Method for testing the aging of nitrocellulose coatings. Simulates and accelerates the loss of plasticizer from nitrocellulose-coated fabrics due to volatilization. The endpoint of the test is based on visual inspection rather than mass loss.
Test standard:
GB/T 24135-2022 Rubber or plastic coated fabrics Accelerated aging test
ISO 188 Vulcanized rubber or thermoplastic rubber Hot air accelerated aging and heat resistance test
ISO 2231 Rubber or plastic coated fabrics Standard environment for conditioning and testing
ISO 2286-1 Rubber or plastic coated fabrics - Determination of characteristics of whole rolls - Part 1: Method for determination of length, width and net mass
ISO 2286-2 Determination of properties of whole rolls of rubber or plastic coated fabrics Part 2: Methods for determination of total mass per unit area, coating mass per unit area and base fabric mass per unit area