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POLYTETRAMETHYLENE ETHER GLYCOL

PTG

Polytetramethylene ether glycol (PTMEG/PTG) is produced by the acid catalyzed polymerization of tetrahydrofuran (THF). It is a straight-chain diol with repeated tetramethylene ether units.

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Product Application

Spandex production

Raw material for spandex, a type of elastic fiber.

Elastic silk stockings

Uses elastic fiber to produce elastic stockings.

Swimming suits

Uses elastic fiber to produce swimming suits.

Breathable, waterproof jackets

Synthesizes polyurethane to make breathable and waterproof jackets.

Synthetic leather

Synthesizes polyurethane to make synthetic leather.

Thermoplastic film

Synthesizes polyurethane to produce thermoplastic films.

Auto-material-seat covers

Manufactures the automobile seat covers using elastic fibers.

Auto-material-gear shift knobs

Synthesizes polyurethane elastomer for production of automotive gear shift knobs.

PRODUCT SERIES

PTG

PTG1000

Molecular weight ranges: 959-1049.

OH value (mgKOH/g): 107-117.

Color (APHA): 50 max.

Acid value max: 0.05 (mg/KOH/g).

Water content max: 0.02(%).

PTG

PTG1400

Molecular weight ranges: 1336-1457.

OH value (mgKOH/g): 77-84.

Color (APHA): 50 max.

Acid value max: 0.05 (mg/KOH/g).

Water content: max 0.02(%).

PTG

PTG1800

Molecular weight ranges: 1726-1870.

OH value: (mgKOH/g) 60-65.

Color (APHA): 50 max.

Acid value: max 0.05 (mg/KOH/g).

Water content: max 0.02(%).

PTG

PTG2000

Molecular weight ranges: 1991-2011.

OH value (mgKOH/g): 53-59.

Color (APHA): 50 max.

Acid value: max 0.05 (mg/KOH/g).

Water content: max 0.02(%).

PTG

PTG3000

Molecular weight ranges: 2877-3206.

OH value: (mgKOH/g) 35-39.

Color (APHA): 50 max.

Acid value max: 0.05 (mg/KOH/g).

Water content: max 0.02(%).

CERTIFICATES

TDS

PTG

TDS

PTG

TDS

PTG

TDS

Technical Services

DCC adheres to the quality policy of “continuous improvement, keeping promises, improving quality and satisfying customers”, attaches importance to product quality management, and establishes a management mechanism for continuous improvement and prevention of abnormalities. Responsible Care is a specific commitment of the global chemical industry to continuously improve its performance in terms of environmental, health and safety.

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Green material

For the specialty and products of chemical materials, it is the core ability of Dalian Chemical to survive and help other industries to innovate and transform into a low-carbon sustainable future. Responsible chemistry is the DNA of the chemical industry. We use green processes, products and occupational safety management, and combine customers and suppliers to play their respective roles in the value chain to maximize the benefits and value of green materials.

SDGs

DCC adheres to the principle that “the environment is the most valuable asset of mankind, and environmental protection is our responsibility” to introduce the world's most advanced technology and equipment, and to continue the process of precision, promote industrial waste reduction and implement pollution prevention.
We research and development of various technologies to improve the efficiency of pollution treatment, and to achieve sustainable development.