Environmental friendly halogen-free TPU compound

Environmental friendly halogen-free TPU compound System 1

Environmental friendly halogen-free TPU compound System 2

Environmental friendly halogen-free TPU compound

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 350 m.t./month

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TPU raw materials:
1. various kinds
2. competitive price
3. 30 years of experience
4. stable quality

TPU raw materials:

1. Applications and cable specifications of TPU raw materials:

Used for water-resistant power cables, data cables, and spring wire.

2. Description of TPU raw materials:

Environmental friendly halogen-free TPU cable compound, based on TPU elastomer resin, is made into granules by mixing, plastification and granulation with adding special modifier and other special additives. It has well performance of tenacity, scratch-resistant, flexibility, Stretch Resistance, and temperature resistance, owning exquisite appearance and smooth surface. It does not contain halogens and heavy metal, in line with the environmental directives of RoHS, REACH. Different hardness can be customized according to customers’ requirements.

3. Processing of TPU raw materials:

The compound can be processed with conventional extruders. It is recommended that the screw L/D should be greater than 25 and compression ratio should be 1:2.5.

The following temperature(°C) profile of extruder is recommended:

Zone	Zone 1	Zone 2	Zone 3	Zone 4	Neck	Head	Die
temperature °C	150	170	155	175	178	178	175

Note:Compound should be dried at 80-90°C before use, which has stayed in storage more than one month.

4. Storage and transport of TPU raw materials:

Packaging:25kg/bag,Aluminum foil and PE film bag inside, and PP compound bag outside.

Storage and transport: Avoiding in direct sunlight and weathering. The storage should be clean, cool, dry, and ventilated.

5. Properties of TPU raw materials:

Item	Unit	E7385		E8385		E8685		E8685F
Item	Unit	Standard	Typical	Standard	Typical	Standard	Typical	Standard	Typical
Density	g/cm3	--	1.19	--	1.21	--	1.28	--	1.27
Hardness	Shore A	--	85	--	85	--	85	--	85
Tensile Strength	≥MPa	18	22	22	28	20	25	20	24
Elongation at Break	≥ %	550	700	500	650	500	650	450	600
Thermal aging	°C*h	136°C*168h		136°C*168h		121°C*168h		121°C*168h
TS retention	≥ %	75	103	75	105	75	104	75	102
EB retention	≥ %	75	81	75	84	65	89	65	86
Hot deformation		150°C*4h		150°C*4h		150°C*4h		150°C*4h
Variation on thermal deformation	≤ %	50	12	50	7	50	6	50	6
pH value of gases released	≥					4.3	56.	4.3	5.3
Conductivity of Gases released	≤μm/mm					10	1.2	10	1.3
Impact Brittleness Temperature	≤ °C	-60	Pass	-55	Pass	-50	Pass	-50	Pass
Volume Resistivity, at 20°C	≥Ω*m	1.0×1012	2.1×1013	1.0×1013	5.2×1014	1.0×1013	3.4×1014	1.0×1013	1.8×1014
Flame retardant grade	UL94 2mm					V0	pass	V0	pass

6. Company

Q:I do PA, PC, PP and other plastic raw materials can be used in the eye frame and lens it: There are PC lensesThe PC material is more impact resistant than polymer resin, often used in aviation equipment transparent windows, police on the mask, and the astronaut's helmet mask, it is only about 1/10 the weight of glass, resin lenses compared with traditional is only half of the weight.

Q:What is the specific material for plastic pallets?: Polyethylene (HDPE) has excellent impact resistance and cold resistance, and it can resist environmental stress cracking. Excellent chemical stability, good oil resistance. Water absorption and tiny, low permeability, organic vapor transmission rate is larger. Electrical insulation is good, in all frequency range, dielectric properties are extremely excellent.

Q:What kinds of plastic properties can be divided into thermal properties?: A. thermoplastic(a) polyvinyl chloride (PVC)Is the most widely used plastic varieties. Polyvinyl chloride resin is made from poly (vinyl chloride) monomer. According to the amount of plasticizer, it is divided into hard PVC and soft PVC. The former adds 30~70 phr of plasticizer <5 in 100 heavy resins, and the latter adds plasticizers.Physical properties: the relative density of hard PVC is 1.35 to 1.60, which is 1 / 5 of carbon steel; the relative density of soft PVC is 1.2 ~ 1.4.The water absorption rate of hard PVC is very low. The water absorption rate in long-term immersion in water is <0.5%; the soaking water is 24h, and the water absorption is 0.05%. The permeability of PVC is very low.The glass state temperature of PVC is 80~85 DEG C, the viscosity is 180 DEG C, the decomposition temperature is 240~260 DEG C (including stabilizer), and the brittleness temperature is -50 ~ -60 DEG C.The recommended temperature range of hard PVC is, in principle, maintained in terms of brittleness and glass temperature. If it is used above 50 degrees, necessary measures should be taken.The pure PVC, without stabilizers, begins to decompose at 150 C, releases hydrogen chloride, and further accelerates its decomposition. It decomposes faster than 180 DEG C. The polyvinyl chloride with the stabilizer decomposes the temperature to 240~260 degrees centigrade, but breaks down hydrogen chloride if used for 220 years. The material changes from dark grey to yellow brown, or even black. Therefore, in welding, we should try to avoid this phenomenon, the linear expansion coefficient of hard polyvinyl chloride is (5~6) X10-5 / DEG, 5-6 times larger than carbon steel. Therefore, when installing polyvinyl chloride pipes, expansion joints or bracing shall be installed to prevent deformation. When polyvinyl chloride is used as lining or bonding with other materials, the peeling phenomenon may be considered when heated.

Q:Plastic raw materials, why LDPE and LLDPE?: LDPE is a low density polyethylene with a large number of branched structures. The molecular structure is lack of regularity, so the crystallinity of LDPE is small, 65%~75%, and the density is low, 0.91~0.93 grams / cubic centimeter. LLDPE is a linear low density polyethylene. Its molecular structure is linear, branched less, branched short, and its density is similar to that of LDPE. Its physical and mechanical properties are better than those of LDPE.

Q:What are the raw materials for environmental friendly portable plastic bags?: The more advanced shopping bags made of PBAT and PLA composites are expensive, but biodegradable plastic.

Q:What is the difference between plastic particles and raw materials?: PP recycled plastics profile: polypropylene (PP) - coloring not translucent, waxy, lighter than polyethylene, transparency is better than polyethylene, polyethylene than rigid. Mainly used for pots, barrels, furniture, thin film, woven bag, packing tape, bottle cap, car bumper.PE recycled plastics: Polyethylene (PE) - no coloring milky white translucent, waxy; touch smooth feeling, soft and tough, slightly elongated, generally low density polyethylene is relatively soft, good transparency, high density polyethylene hard. Mainly used for plastic film, bag, water, oilPS is polystyrene plastic. It is easy to dye and transparent. It is used to make lampshade, toothbrush handle, toy and electrical appliance parts. It is resistant to acid and alkali corrosion, but easily soluble in chloroform, two vinyl chloride, banana water and other organic solvents.

Q:Dissolve in 0.3 of the LDPE plastic raw materials what?: Linear low density polyethylene (English: Linear Low Density Polyethylene, referred to as: LLDPE), linear low density polyethylene (LLDPE), is a senior of ethylene and alpha olefins (such as -1, -1, butylene hexene octenes methylpentene -1, four -1) in the presence of catalyst, a copolymer with high or low pressure polymerization of density is between 0.915 ~ 0.9 low density polyethylene using 40 g / cm3.

Q:How to make plastic raw materials?: polyethyleneFor short, PE is a thermoplastic resin made by the polymerization of ethylene. Industrially, it also includes copolymers of ethylene with a small amount of alpha olefins. Polyethylene is odorless, non-toxic, feel like wax, has excellent resistance to low temperature performance (minimum temperature can reach -70 ~ -100 C), good chemical stability, erosion resistance to most acid-base (not resistant to oxidizing acid), insoluble in common solvents at room temperature, low water absorption, excellent electrical insulation properties; but polyethylene for environmental stress (chemical and mechanical function) is very sensitive, heat aging resistance difference. The properties of polyethylene vary depending on the molecular structure and density. The products of different densities (0.91 ~ 0.96g / cm3) can be obtained by different production methods. Polyethylene can be used as a general thermoplastic forming method (see plastic processing). Widely used, it is mainly used for making films, containers, pipes, monofilament, wires, cables, daily necessities, etc., and can be used as high frequency insulating materials for television, radar and so on. With the development of petrochemical industry, polyethylene production has been developed rapidly, and the output is about 1/4 of the total plastic output. In 1983, the total production capacity of polyethylene in the world was 24.65Mt, and the capacity of the equipment under construction was 3.16Mt.

Q:What is the difference between ABS plastic raw materials and recycled materials? Or how to distinguish between raw materials and recycled materials?: 1. recycled material is not natural (ABS is yellow).2. non black pellets with black spots are recycled.3. the impurity in the aggregate is the recycled material.4. of the voids in the pellets are recycled.5. do MFI test, the result is more than 10% of indicators are recycled material.6., feed heating, smell, smoke, melting temperature is low, fast flow is recycled material.

Q:What is the raw material for producing corn starch plastic film?: Starch and biodegradable plastics mixing of biomass materials currently used most commonly used aliphatic polyester or aliphatic polyester mixed starch manufacturing, aliphatic polyester mainly includes the use of renewable resources as raw materials for the production of poly lactic acid, by microbial synthesis of polyhydroxyalkanoates (PHB, PHA), as well as for petroleum polycaprolactone synthesis the raw materials (PCL), polybutylene succinate (PBS) and its copolymer. Using starch and biodegradable polymer material mixing technology can produce a completely biodegradable plastic film and packaging materials, close to the performance of plastic, and theoretically solve the biodegradable polymer material with the characteristics of molecular design, molecular tailoring and chemical modification of starch, physical and chemical modification, can obtain good performance and low cost and control the degradation period can be completely biodegradable materials.

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