DongshaChemicalIndustryPark in Zhangjiagang of Jangsu
0086-512-58633037 58581413
Air brake hose avail for compressed air brake systems for light trucks, buses and heavy trucks to conduct the compressed air force, and for Aftermarket.
Standard: SAE J1402
Material: Tube: EPDM
Reinforcement: Two braided yarn, RFL or Isocyanate treated yarn
Middle layer: Viscosity-strength middle rubber
Cover: EPDM
Feature: Low inner cubage expansion;
Resistance of oil, weather and ozone;
Low moisture permeation, whip and impulse;
Working temperature: -40℃ to +100℃;
Burst pressure: ＞6.50Mpa.
Test Report JAN 18,2009
Tested Products( Product Lot No. 2009-01) :13MM×22MM AIR BRAKE HOSE | ||||
NO. | TEST ITEMS | SPEC. SAE J1402 | Qualification | |
1 | VISUAL INSP. | NOTHING ABNORMAL | OK | |
2 | FEELER GAUGE SIZE | 6.6MM 40-100g | OK | |
3 | PROOF PRESSURE | ONE END BLOCK UP, THE OTHER END FILL 2.0MPA±0.1MPA AIR OR NITROGEN UNDER WATER FOR 3SECONDS | NO LEAKS | |
4 | WATER PRESSURE TEST | FULL WATER OF HOSE, MARK 300MM UNDER 0.1MPA PRESSURE, TEST DISTANCE UP TO 1.4 MPA | LENGTH CHANGE FROM +0.5 TO -0.7% | |
5 | BURST TEST | 6.5MPA/MIN PRESSURE UPTO BURST | ≥6.5MPA | |
6 | TENSILE TEST | 450MM, 25-30MIN. UPTO BRAKE | ≥1500N(150KG) | |
7 | ADHESION TEST | LENGTH 100MM, WIDTH 25MM, 25±1.5MM/MIN | 15N(1.5KG/CM) | |
8 | HIGH TEMPERATURE RESISTANCE TEST | BEND AT100±2℃ FOR 72 HOURS, STRIKE WITH 0.5KG | INNER AND OUTER NO CRACKS | |
9 | LOW TEMPERATURE RESISTANCE TEST | BEND HOSE AND EXPOSE AT -40±2℃ FOR 72HOURS THE BEND SHALL BE COMPLETED IN A PERIOD OF 3-5S | NO LEAKAGE | |
10 | WATER RESISTANCE TEST | HOSE ASS'Y IMMERSE IN WATER AT ROOM TEMPERATURE, AFTER 168 HOURS, STRAIGHTEN | ≥1500N(150KG0 | |
11 | OIL RESISTANCE TEST | 1.5-2G INNER TUBE IMMERSE #10 OIL, 72HOURS | VOLUME INCREASE≤100% | |
12 | OZONE TEST | 50+5PPM; 40℃+3℃ 72H,7X MAGNIFICATION | NO CRACKS | |
13 | SALT SPRAY TEST | USE SALE SPRAY(FOG)TEST THE HOSE FOR 24 HOURS,THEN USE CLEAN WATER(37℃) WASH, DRY IN 2 MIN | NO CORROS | |
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