Dow Chemical, Midland, Mich., recently introduced new ethylene copolymer LLDPE and mLLDPE film-grade resin grades to the market. The new grade uses the same standard solution process technology that the company produces octene copolymers. The newly-listed products include 6 LLDPE (Dowlex) grades produced with Ziegler-Natta catalysts and 1 mLLDPE (Elite) grades produced with single-center metallocene catalysts. According to Joe Laehu, marketing manager of the company, this is a signal that Dow will change the structure of its production products after long-term work. Ethylene copolymers are inexpensive and sufficient substitutes for high performance octene copolymers. The six Dowlex grades range in density from 0. 9190 to 0.9309g/cm 3, and the melt flow rate from 0. 75 to 0. 90g/10 min. One of the first commercially available Elite grades has a density of 0·9170g/cm 3. Flow rate 4.50g/10min.
Information Source: Plastic
YUEXIN Ski Helmets have below features and some of our Ski Helmet have pass CE EN 1077 certificate.
1. Goggles fixed buckle: there has a fixed buckle behind the helmet, ski glasses can be fixed, not easy to fall off, both beautiful and practical.
2. Adjust the size of the device: delicate adjustment of the size of the device, easy to wear a helmet, the regulator unified upgrade to high toughness material, improve comfort, increase safety system.
3. A detachable lining: Magic design,removable, easy to wash and antibacterial.
4. Air hole regulator: Ventilation system has holes, easy to head in motion to maintain comfortable breathable dry! According to the individual needs and the actual temperature before and after sliding adjustment, open or close the air vent adjustment.
5. Adjustable buckle: the use of DuPont materials, hit and special circumstances are not easy to break, to ensure safety.
6. Chin pad: soft chin pad, sweat resistant anti slip, increased safety and comfort!
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