CAPLINQ and ANK Gabon have partnered with an existing private Manganese-extraction company that has already expanded the existing railway system from the center of Gabon to the port where the goods are loaded on the cargo ships.

Summarizing the travel route, the cassava roots are extracted in the field in Lekoni, Gabon. They are transported with tractors to the factory that is centrally located within 15 kilometers of the fields where the roots are transformed into food-grade tapioca starch. From here, the native starch is loaded into conatiners and brought by truck to Franceville where they are loaded onto train cars. The train covers the largest distance, moving the goods right to the port in Libreville where they are then loaded on the cargo ships and shipped to the customers’ destination port.

By clicking on the image below, you will see the detailed travel route used to extract the native food-grade tapioca starch from Lekoni, Gabon to the port in Libreville.

LOOKING FOR AN OFFICIAL PRICE QUOTE? Contact us and let us know your required quantity and the destination port.

Click for more information regarding Native Tapioca (Cassava) Starch, or please contact us for more details.

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Food-Grade Native Tapioca Starch Purchase Specifications:

Items to be listed on Certificate of Analysis (CoA) of every delivery:
Moisture: 11- 14% (ISO 1666)
pH: 4.5 – 7
Total aerobic mesophilic count: 10,000 CFU /g (ISO 4833)
Moulds: 250 CFU/g (ISO 7954)
Yeast: 250 CFU/g (ISO 7954)
E. coli or coliforms: absent (ISO 16654)
Salmonella: absent (ISO 6579)
Shelf-Life: 12 months after delivery date

Items to be measured and supplied yearly to customer:
Ash: max. 0.3% (ISO 3593)
Diffuse reflection Number/Whiteness: min. 90
Visible Impurities: max. 10
Sieve analysis (vibrational): max. 0.15%
Protein content: max. 0.2%
Cyanogenic potential : max 10mg HCN/kg (AOAC 1995 915.03 Pyridine Pyrazolone method)
Brabender viscosity: min. 700 Bu (Conc. 6% ds, 700 cmg, 75 rpm, start temp. 45oC, increasing with 1,5 oC/min. till 90 oC, hold for 20 min., Read peak viscosity)
Sulphite (SO2): max. 10 mg/kg (ISO 5379)
Arsenic (As): max. 0.1 mg/kg (ISO 11212)
Cadmium (Cd): max. 0.1 mg/kg (ISO 11212)
Lead (Pb): 0.5 mg/kg (ISO 11212)
Mercury (Hg): 0.05 mg/kg (ISO 11212)

LOOKING FOR AN OFFICIAL PRICE QUOTE? Contact us and let us know your required quantity and the destination port.

Click for more information regarding Native Tapioca (Cassava) Starch, or please contact us for more details.

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Customs Harmonization Code (HTS#) for SAC 305 and SAC405 Solder Spheres

8001.20.00.10: Unwrought tin: Tin alloys containing, by weight, 5 percent or less of lead

Customs Harmonization Code (HTS#) for Sn63Pb67 Solder Spheres

8001.20.00.90: Unwrought tin: Tin alloys containing, by weight, more than 25 percent of lead

For more information about Tin/Lead (SnPb) or Leadfree (Pb-free) solder spheres or any other of our products, visit us or contact us for more details.

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Below is a list of some of the most frequently asked questions with answers.

Q1. Can the X35-186H-1 (two component) adhesion be improved with adhesion promoter
A1: The X-35-186H-1 has excellent adhesion characteristics to glass, metals and ceramics, and there is no need to add any adhesion promoter to this.

Q2. Can PMC be changed from 150C to 175C to decrease time?
A2:Yes, most probably 1hr would be OK at 175 degree C. We can provide data to support this.

Q3. Is there a significant effect for thickness differences between say 50um and a few milimeters?
A3:Most basic material performances don’t depend on the thickness.

Q4. What is the acceptable mixing ratio error allowed? (ie. 10:0.9 – 10:1.1)
A4: The acceptable error is +/- 2%, so 10 : 0.98 ~ 1.02 is the acceptable range

Q5: What is the pot-life of X35-186H-1?
A5: Shin-Etsu define potlife as being the time at 23°C at which viscosity increases more than 20%. 16 hrs is the specification.

Q6: Can the materials be supplied in pellets form?
A1: No. The compression molding materials are supplied in liquid form.

Q7: What is the required curing time on the molding machine & what is the full curing cycle
A7: The general starting recommendation is 90s @ 180C on the machine followed by 4 hours @ 150C post mold curing.

Q8: Are LPS 5547 & 5538 suitable for Metal Lead Frame molding – transfer or compression molding?
A3: Yes, the LPS-5547 and LPS-5538 are suitable for Metal Leadframes and compression molding. Neither material is suitable or can be used in transfer molding.

Q9: In case it comes only in liquid form – please advise for suitable mass production systems that are build for injection of pre-mixed molding material
A9: We have extensive experience and relationships with both TOWA and ASM for compression molding these silicones for LED devices, but we can support these activities with other suppliers also.

Q10: What about adhesion of LPS-5547 & LPS-5538 to Chips, Ceramics, Glass and other polymers
A10: Both the LPS-5547 and LPS-5538 have excellent adhesion characteristics to glass, metals and ceramics, and there is no need to add any adhesion promoter to this. As far as other polymers are concerned, these need to be tested on a case-by-case basis.

Q11: Are there materials that are suitable for transfer molding?
A11: Yes, Shin-Etsu have developed a line of highly reflective SWC transfer mold silicones for use as the reflector of the LED. These materials are transfer molded, but due to their highly complex and peculiar processing conditions, Shin-Etsu have taken this process in house and have agreed to supply the SWC ONLY as a premolded packages. These packages (known as “Tiger Leadframes” can be either metal leadframe, PCB or ceramic.

This list will be updated as questions are asked and data becomes available.

For more information regarding Shin-Etsu X35-186H-1 or any other Shin-Etsu silicone for LED assembly, please visit us or contact us for more details.

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Volume-Based Native Tapioca Starch Prices | Cassava Starch

Though CAPLINQ typically publishes its price-list publicly, the commodity business of tapioca starch changes so rapidly that prices change every week. Instead, CAPLINQ refers its customers to the Thai Tapioca Starch Association (TTSA) website where prices of Thai-supplied starch are supplied, and CAPLINQ’s sales price have always been below these prices.

LOOKING FOR AN OFFICIAL PRICE QUOTE? Contact us and let us know your required quantity and the destination port.

Click for more information regarding Native Tapioca (Cassava) Starch, or please contact us for more details.

Related posts:

1. Native Tapioca Starch Food-Grade Specifications Now that production batches have been tested, CAPLINQ and ANK...
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CAPLINQ offers Native Tapioca (Cassava, Manioc) Starch from Africa

CAPLINQ is proud to announce its native tapioca starch partnership with ANK Gabon. This partnership allows Native Tapioca Starch, produced in cassava starch fields of Gabon, Africa to be distributed worldwide by ocean freight from the port in Libreville, Gabon Africa. Historically, tapioca starch has been sourced from countries such as Vietnam and Thailand and shipped by sea to the country where it will be used. Though this makes sense for countries in South-East Asia, this simply adds costs and transit time to an otherwise low-priced commodity.

Africa, and specifically Gabon has a climate that is ideally suited for growing and producing tapioca starch, where the cassava starch roots grow very quickly with little irrigation. Large volume tapioca starch production however was nearly impossible however until recently as Gabon lacked the infrastructure, machinery and know-how to meet the specifications the industry both requires and expects. Since 2008, in cooperation and with the help of the Gabon President and government, ANK Gabon has steadily been building an ultra-modern tapioca starch production factory to produce food-grade quality native tapioca starch and has plans to move into starch-derivative products within a few years.

Small scale tapioca starch production has been running since January 2010, and the first cassava starch production volumes are scheduled to be ready by March 2010. Given the equipment and processes, the production capacities in Gabon, Africa should ramp up to full capacity of 2,500 tonnes/month of tapioca starch by the end of April 2010 – for an annual tapioca starch production of 30,000 metric tonnes per year.

What is Tapioca (Cassava) Starch?

The name Tapioca is the common name for any of several related plants native to tropical regions in the Americas, Africa and Asia. Tapioca Starch is the name used in Thailand and Vietnam, Cassava Starch is the West Indian name; Manioc Starch (or Mandioc) is the Brazilian name; and Yucca Starch (or Juca) is used in other parts of South America. Throughout the text below, both tapioca starch and cassava starch are used as these terms can be used interchangeably. The tapioca plant grows in a bushy form, up to 2.4 meters (8 ft) tall, with greenish-yellow flowers and the roots are up to 8 cm (3 in) thick and 91 cm (36 in) long. The tapioca roots contain from 20% – 32% starch in plants as young as ½ to 1½ years old.

Reasons Why Tapioca (Cassava) is a Preferred Starch

1. Flavor Profile Important for the food industry, light flavors such as vanilla, peach and lemon, are not masked when using tapioca starch. This is because tapioca starch contains no impurities, while cereal based starches contain phospholipids which give it an after taste.

2. Appearance Also for the food industry, pastes, films and gels madse with tapioca starch are clearer than when other starches are used and fruit fillings look more appetizing.

3. Non-Allergetic For the baby food industry, tapioca starch is gluten-free and thus easier to digest – an important consideration, and a reason for its widespread use in the manufacture of baby foods.

4. Excellent Viscosity Tapioca starch exhibits a lower viscosity (more liquid) when it’s warmed. This facilitates processing.

In Which Industries is Tapioca Starch Used?

1. Food-Grade Tapioca Starch is used in the Food and Candy Industries

2. Glue and Adhesive Industries used modified starch and starch derivatives

3. Pet Food Industries use cassava starch as fillers

4. Fish Feed Industry

5. Paper and Paper Cone industries

6. Ice Cream and Ice Cream Cone Manufacturers

7. Aluminium and Cast Iron Foundries use starch as a sand binder to make molds

8. Pharmaceutical Industries use starch and derivatives to bind tablets and as a dispersion agent

9. Cosmetics, Detergents and Soap Industries

10. Edible Masala Powder manufacturers

11. Cassava Starch Derivatives industries

12. Dry Battery Cell industries use Tapioca Starch as filler

13. Rubber and Foam industries

14. Textile Industries use Starch

15. Plywood

16. Fermentation Industry (enzymes, beer)

Click for more information regarding Native Tapioca (Cassava) Starch, or please contact us for more details.

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CAPLINQ is proud to support Shin-Etsu in this highly specilized product line which uses traditional semiconductor industry transfer mold equipment to premold SWC grade silicone onto preplated leadframes (PPF). These premolded, preplated “Tiger” leadframes aim to completely replace the industry’s current PPA premolded package or substrate with a superior, cost-effective solution that can withstand high temperature and long-term UV exposure for LED and solar cell manufacturers.

Starting in 2010, Shin-Etsu plan to fully commercialize and sell these turn-key premolded leadframes that can withstand the much tougher requirements of high power LED applications and solar cell packages. Typically, ceramic packages have been considered as the only viable alternative to the industry standard PPA premolded plastic housings to withstand higher temperature and UV conditions.

For more information regarding Shin-Etsu premolded “Tiger” LF” leadframes, please visit us or contact us for more details.

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LINQTAPE PIT1S has a backing thickness of 1mil (25 micron) and the adhesive layer adds another 1.5 mil (36micron) for an overall thickness of 2.5mil (60 micron). The new PIT0.5S has a backing thickness of 0.5mil (13 micron) + 1mil (25 micron) adhesive layer for an overall thickness of 1.5 mil (38 micron).

This product is only available to registered users (customers can be added manually after registration) but the price is the same as LINQTAPE PIT1S.

To prepare a tape with an overall thickness of 25 micron could be possible, but the minimum order quantity would be one master roll of 20″ (510mm) width or the equivalent of about 20 rolls of 1 inch (25.4mm) tape.

For more information about polyimide tapes or any other of our products, visit us or contact us for more details.

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Surface Resistance multiplied times the thickness of the material in centimeters, equals the volume resistivity.

Volume Resistivity vs. Volume Conductivity

Volume Resistivity is also called bulk resistivity because it is the inherent resistance of a semiconductive material independent of shape or thickness. Very simply, resistivity is the inverse of conductivity. Volume Resistivity is measured in Ohms-cm, or spoken as “ohms-centimeter” and Volume Conductivity is measured in S/cm, or spoken as “Siemen per centimeter”. Therefore, a Volume Resistivity of 500 ohm-cm is equal to a Volume Conductivity of 1/500 or 0.002 S/cm.

Volume Resistivity vs. Surface (or Sheet) Resistivity

Surface Resistivity (also called Sheet Resistivity) is expressed as Ohms/sq, spoken as “ohms-per-square”. It is a useful measurement when measuring a layer or thin film of a semiconductive material such as LINQSTAT as the surface resistance of a given material will change depending on the thickness of the layer. Surface Resistance (ohms-per-square) multiplied times the thickness of the material in centimeters, equals the volume resistivity (ohms-cm). Likewise, the Volume Resistivity divided by the thickness in centimeters equals the surface resistivity.

Therefore, looking at the LINQSTAT VCF materials, the surface resistivity of each material can be determined based on the thickness of the film and the volume resistivity (<500 ohm-cm)

• VCF-2xxxxS-Series: 500 ohm-cm / 2mil (0.00508cm) = 98,425 ohms/square
• VCF-4xxxxS-Series: 500 ohm-cm / 4mil (0.01016cm) = 49,213 ohms/square
• VCF-8xxxxS-Series: 500 ohm-cm / 8mil (0.02032cm) = 24,606 ohms/square

Why does CAPLINQ give “less than” values (ie. <500 Ohm-cm) instead of Typical Values?

LINQSTAT Volume Conductive Film is a carbon-loaded polyethylene. As such, there are necessarily some differences in the conductivity over the entire surface. The data that CAPLINQ provides is meant to be a minimum, repeatable value that can be used in the design of the final product.

For more information on LINQSTAT VCF-Series, please contact us or visit the CAPLINQ website today to find out more, or for more information.

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