One of the most com- monly used specifications for filament- wound FRP tanks is ASTM D This standard was first published in and. For Filament Wound Fabrications: ASTM D Specification for Filament Wound Glass. Fiber Reinforced Thermoset Resin Chemical Resistant Tanks. ASTM D, Specification for Woven Roving Glass Fabric for Polyester-Glass Laminates ASTM D, Standard Specification for Filament-Wound.

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The clearance between the head shackle of the crane and the tank should be at least equal to the span atm the lugs used for lifting. Property 18 Thickness, in. If the surface becomes softened or tacky, it is and indication of under cure.

C3299 bottom laminate surface shall be a hand-work? This specification covers cylindrical corrosion-resistant tanks made of commercial-grade glass-fiber-reinforced polyester or vinylester thermoset resin fabricated by filament winding for above-ground vertical installation, to contain aggressive chemicals at atmospheric pressure as classified herein. Hoisting equipment operators should attach a guide line to prevent tank from swinging out of control.

astm-d – Free Download PDF

The designations of these speci? Never set a tank upon a? Rub a few drops of acetone on the laminate surface until it evaporates. Laminate Construction Requirements 7.

Typical plate type and conical type gussets are shown in Fig. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. All woven roving, nonwoven fabric, and surfacing mat shall be overlapped.


NOTE 7—The selection of the particular chopped-strand mat is dependent upon the performance characteristics required of the? For nozzles less than 6 in. The thickness of the? Design Tanks stores resins e3299 a climate-controlled storage area to eliminate production variances related to temperature changes. NOTE 22—Barcol hardness values may vary when tests are conducted at temperatures that differ from those shown in Included are requirements for materials, properties, design, construction, dimensions, tolerances, workmanship, and appearance.

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It is the responsibility of the fabricator, using a thixotropic d399 in the resin required for 7. The hoist wire should be connected to the top lifting lugs, and the tank should be raised carefully, using guide ropes to prevent sudden swinging.

Other techniques such as sprayed, wrapped, or overlaid? The tank shall be secured to the cradles or skid so that there can be no movement of the tank in relation to the skid or cradle under normal handling. Minimum vent size shall be sufficient to handle the? The all-interior installation laminate placement is used only when the nozzle being installed has an integral conical gusset preventing application of an exterior laminate. Suitable methods include use of ultraviolet absorbers, incorporation of pigment of sufficient opacity in the outer surface resin-rich layer, or use of resins inherently resistant to ultraviolet degradation.


The interior overlay shall present the same corrosion resistance to the? They do, however, require foundation cut-outs of the appropriate dimensions for the nozzle type and size. Included are requirements for materials, properties, design, construction, dimensions, tolerances, workmanship, and appearance. Full protection must be provided when using chains or cables.

Larger nozzles, subject to superimposed mechanical forces, require special consideration. As a custom manufacturer d32999 in meeting the unique needs of our customers, our exposure to these different standards is much higher than for the manufacturer that produces a cookie cutter tank.

The values given in parentheses are mathematical conversions to SI units that are provided for information only and are f3299 considered standard. Dimensions and Tolerances 8.

If additional longitudinal strength is required, the use of other reinforcements, such as woven fabric, nonwoven unidirectional or bidirectional fabric, chopped-strand mat, or chopped strands, may be interspersed in the aastm to provide additional strength. Prior to hoisting the top end, a suitable protection pad of material should be placed under the bottom pivot point of tank so that as the tank rises, the strain is taken on the pad.

Work Item s – proposed revisions d32999 this standard.