SUN SELECTOR
FVG America's SUN SELECTOR Polyethylene greenhouse films

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Introduction to polyethylene greenhouse films

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SUN SELECTOR

 
 
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FVG America's SUN SELECTOR Polyethylene (LDPE) greenhouse films, manufactured by Ginegar Plastic Products, are one of today's most advanced co-extruded triple layer films, offering growers numerous advantages due to their unique mechanical and optical properties.

In today's competitive market, growers must react to increasing market pressures by offering innovative products and variety, achieved by improved growing techniques. Ginegar's agricultural experts work together with growers in Israel and abroad to develop products to meet the needs and demands of the dynamic horticultural industry. With years of experience in the U.S., FVG America's Sun Selector family of films includes a range of products with unique features. FVG America films meet international ISO 9002 standards.

GENERAL DESCRIPTION

FVG America's SUN SELECTOR Films incorporate unique mechanical, optical and thermal features which give growers effective solutions to a broad range of needs and applications. The triple-layer technology combines the various additives in separate layers to derive maximum benefit and ensure long product life.

Mechanical Strength

The use of additives such as EVA and UVA in various layers makes the films extra strong, flexible, and resilient - features that ensure extended life and enhanced efficiency.

The following table presents the physical specifications of SUN SELECTOR films.

PHYSICAL PROPERTIES

TEST METHOD
ASTM

UNITS VALUES

Tensile Strength       MD
at Break                   TD

D-882

MPa

22

D-882

MPa

19

Elongation               MD
                                 TD

D-882

%

550

D-882

%

700

Tear resistance         MD
(Elmendorf)              TD

D-1922

g

800

D-1922

g

1100

Drop impact            F50

D-1709

g

550

(All properties are average values of 6 mil Sun-Selector film)

Resistance to Climatic Conditions

Sun Selector films successfully withstand climatic conditions throughout the world. These include extreme temperatures ranging from  -22EF to -122EF. They are also resistant to severe weather and air pollution.

Light Transmission

The excellent optical features of Sun Selector films allow optional light transmission. Maximum light transmission in the visible range (PAR) between 0.4 to 0.7 micron is the required range for photosynthesis and various morphogenetic processes.

Dust-repellence

Sun Selector's  triple-layer construction results in a smooth film that prevents dust accumulation on the outside. This is an important feature to insure maximum light transmission.

Easy installation

Polyethylene films are ideal for greenhouses, tunnel passages, and low tunnels. Their light weight and flexibility enables fast, easy installation. Transporting the films is convenient and their use enables savings in construction expenses.

MAIN FEATURES

Thermal Effect

IR additives enable films to absorb or reflect infrared radiation in the range of 7 to 15 microns. This is the radiation reflected from the earth to space. Absorption or reflection in this range reduces loss of energy that has been accumulated throughout the day in the greenhouse and prevents heat loss at night. This is an important advantage for farmers especially on cold nights and results in substantial savings in heating expenses. Sun Selector films has resulted in a 30% increase in yields as compared with films lack IR additives.

A.F. (Anti-Fog) Action

Anti Fog improves light transmission and prevents water from accumulating on the film and dripping on the plants. Incidence of disease is thus reduced. Cool drops on the plant foliage lower the temperature of the plant at night and may cause scorching during the day.

Light Diffusion

Light diffusion additives to the films result in increased photosynthesis efficiency. This feature is especially important for self shading trailing plants, such as tomatoes, cucumbers, squash, pepper, roses and others. Optimal light diffusion does not impair light transmission. The following table presents light diffusion figures for the Sun Saver Diffused film.

Fluorescent Action

The fluorescent additive produces a change in the light composition in the red to far red ratio. This change brings about "sleepy eyes" and enhanced bloom, resulting in substantially increased yield and quality (See Sun Saver Red).

Reflective Action

The reflective additive in the thermal film enables dual purpose usage (See Sun Saver Reflective):

  1. Controlled shade and lessened heat stress.

  2. Thermal screen that stores heat and raises night temperature in the greenhouse (lower heating expenses in winter).

Fungus Inhibitor (FI)

FI features offer special advantages:

  1. Reduces the harmful effects of ultraviolet (UV) radiation on plants.

  2. Preserves unique features giving film longer life, even under harsh radiation conditions.

  3. Reduces disease occurrence (such as Botrytis).

  4. Reduces blackening of red roses.

  5. Improved film resistance to chemicals.

These new features are the result of extensive research and development (See Sun Saver Plus - FI).

Warranty

Sun Selector films are stabilized against U.V. radiation for three years (according to warranty).

Technical Specifications

Thickness: 4 - 8 mil
Width: Between 5 - 50 ft.
Film length: Per customer specifications

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LINKS TO OTHER COVERINGS
greenhouse materials, glazing GREENHOUSE COVER POLYETHYLENE
IN FLEXIBLE UV PANELING SHEETS
twinwall poly POLY FILMS
twinwall poly POLYCARBONATE
RIGID TWINWALL SHEETING

COVER & GLAZING HOME PAGE ROLL POLYFILM HOMEPAGE 4HL 55% WHITE SUNSAVER IR/AC 4HL CLEAR OW CLEAR 5 MIL OW WHITE 5 MIL OW CLEAR 3 MIL OW WHITE 3 MIL PRODUCT INFO FEATURES GUIDELINES INSTALLATION

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