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ASTM D1636-99

(Specification)

Standard Specification for Allyl Molding Compounds

Standard Specification for Allyl Molding Compounds

SCOPE
1.1 This specification covers compression molding thermosetting compounds consisting of allyl resins that have been combined with filler, pigments, and dyes as required, to obtain specific properties desired.  
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are given for information only.  Note 1-The properties included in this specification are those required to identify the molding compounds covered. There may be other requirements necessary to identify particular characteristics. These will be added to the specification as their inclusion becomes generally desirable and the necessary test data and methods become available.

General Information

Status
Historical
Publication Date
09-Nov-1999
ICS
83.140.99 - Other rubber and plastics products
Technical Committee
D20 - Plastics
Drafting Committee
D20.16 - Thermosetting Materials
Current Stage
Ref Project

Relations

Replaced By
ASTM D1636-99(2004)e1 - Standard Specification for Allyl Molding Compounds
Effective Date
01-Oct-2004

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ASTM D1636-99 - Standard Specification for Allyl Molding Compounds
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 1636 – 99
Standard Specification for
Allyl Molding Compounds
This standard is issued under the fixed designation D 1636; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope * D 5224 Practice for Compression Molding Test Specimens
of Thermosetting Molding Compounds
1.1 This specification covers compression molding, thermo-
2.2 Military Standard:
setting, allyl compounds as further defined in Section 3.
MIL-STD-105 Sampling Procedures and Tables for Inspec-
1.2 The values stated in SI units are to be regarded as the
tion by Attributes
standard. The values in parentheses are given for information
only.
3. Classification
NOTE 1—The properties included in this specification are those re-
3.1 This specification provides for the identification of three
quired to identify the molding compounds covered. There may be other
typesofallylmoldingcompounds,basedonthegeneraltypeof
requirements necessary to identify particular characteristics.These will be
filler employed in their manufacture, which shall be distin-
added to the specification as their inclusion becomes generally desirable
guished by the requirements prescribed in Table 1.
and the necessary test data and methods become available.
Type I—High-strength materials, glass-fiber reinforced.
NOTE 2—There is no similar or equivalent ISO standard.
Type II—General-purpose mineral filled.
2. Referenced Documents
Type III—General-purpose synthetic fiber filler.
2.1 ASTM Standards: 3.2 Types I and II may be subdivided into four classes
D 150 Test Methods for A-C Loss Characteristics and according to resin composition and use as follows:
Permittivity (Dielectric Constant) of Solid Electrical Insu- Class A—Diallyl ortho-phthalate resin, nonflame-retardant.
lating Materials Class B—Diallyl ortho-phthalate resin, flame-retardant.
D 229 Test Methods for Rigid Sheet and Plate Materials Class C—Diallyl meta-phthalate resin nonflame-retardant.
Used for Electrical Insulation Class D—Diallyl meta-phthalate resin, flame-retardant.
D 256 Test Methods for Determining the Pendulum Impact 3.3 The four classes of Type I are subdivided as follows:
Resistance of Notched Specimens of Plastics ClassesA, B, C, and D into four grades. ForType II each of the
D 257 Test Methods for D-C Resistance or Conductance of four classes is subdivided into two grades. For Type III only
Insulating Materials Class A compounds are produced and are available in three
D 618 Practice for Conditioning Plastics and Electrical grades.
Insulating Materials for Testing
4. General Requirements
D 790 TestMethodsforFlexuralPropertiesofUnreinforced
and Reinforced Plastics and Electrical Insulating Materi- 4.1 Themoldingcompoundshallbeofuniformcomposition
and so compounded as to conform to the requirements of this
als
D 2863 Test Method for Measuring the Minimum Oxygen specification.
4.2 Although other than allyl resin may be added for flame
Concentration to Support Candle-Like Combustion of
Plastics (Oxygen Index) resistance and other purposes, the major part of the resin
portion shall be diallyl ortho-phthalate or diallyl meta-
D 3892 Practice for Packaging/Packing of Plastics
phthalate.
4.3 The apparent density, bulk factor, particle size, physical
This specification is under the jurisdiction of ASTM Committee D-20 on
form, and color of the compounds shall be as agreed upon
Plastics and is the direct responsibility of Subcommittee D20.16 on Thermosetting
between the purchaser and supplier.
Materials.
Current edition approved Nov. 10, 1999. Published February 2000. Originally
published as D 1636 – 59 T. Last previous edition D 1636 – 81 (1992).
2 5
Annual Book of ASTM Standards, Vol 10.01. Annual Book of ASTM Standards, Vol 08.03.
3 6
Annual Book of ASTM Standards, Vol 08.01. AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
Annual Book of ASTM Standards, Vol 08.02. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D 1636
TABLE 1 Types, Classes, and Grades of Allyl Molding
9. Test Methods
Compounds
9.1 The properties enumerated in this specification shall be
Type Class Grade Description
determined in accordance with the following methods:
I A, B, C, D 1 Long-glass fiber reinforcement
9.2 ImpactResistance(Izod) —Test Method D 256, Method
2 Medium-glass fiber reinforcement
A. Test specimens shall be 12.7 by 12.7 by 63.5 mm.
3 Short-glass fiber reinforcement
II A, B, C, D 4 High-impact, long-glass fiber reinforcement
9.3 Flexural Strength—Test Methods D 790 Procedure A.
Test specimens shall be 6.4 by 12.7 by 127-mm bars tested
III A 1 Mineral-filled
parallel to molding pressure.
2 Mineral and organic fiber-filled
9.4 Permittivity and Dissipation Factor—Test Methods
1 Acrylic fiber reinforcement, short fiber
D 150.Measurethepermittivityanddissipationfactorat1kHz
2 Polyester fiber reinforcement, long fiber
and 1 MHz after conditioning by Procedure B of Practice
3 Polyester fiber reinforcement, milled fiber
D 618. Determine permittivity and dissipation factor after
conditioning 48 h at 50°C followed by Procedure D of Practice
D 618. Use 102 by 3.2-mm disks for 1 kHz frequency and 51
5. Detail Requirements
by 3.2-mm disks for 1 MHz frequency.
5.1 Average results obtained on test specimens, each
9.5 Insulation Resistance—Test Methods D 257, using a
compression-molded using the manufacturer’s recommended
3.2-mm thick by 102-mm diameter disk fitted with binding
techniques, shall conform to the requirements listed in Table 2.
post electrodes of the type shown in the figure illustrating
Binding-Post Electrodes for Flat, Solid Specimens of Test
6. Sampling
Methods D 257. Cut two sections from the disk so that the
6.1 Adequate statistical sampling shall be used.
section under test is similar to the figure cited above. Scrub
6.2 Abatchofmoldingcompoundshallbeconsideredaunit
with soapy water, rinse in distilled water, and rinse with
of manufacture and may consist of a blend of two or more
isopropyl alcohol. Air dry the sample before assembly, using
production runs of the same material.
stainless steel terminals which have been washed in isopropyl
NOTE 3—Some molding compounds are light and fluffy. The resin may alcohol. The use of clean cotton or polyethylene gloves during
have a tendency to separate out to a degree and should be thoroughly
assembly is re
...

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SCOPE
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Standard Specification for Polymeric Piles

ABSTRACT
This specification establishes the physical and performance requirements for round and rectangular cross-section polymeric piles in axial and lateral load-bearing applications including, by not limited to, marine, waterfront, and corrosive environments. It does not apply to individual polymeric pile products, sheet piles, and other mechanically connected polymeric pile products using inter-locking systems. Covered here are six types of polymeric piles that are fabricated from materials that may be virgin, recycled, or both, as long as the finished product meets all of the criteria specified herein. These types are: Type I, polymeric only; Type II, polymeric with reinforcement in the form of chopped, milled or continuous fiber or mineral; Type III, polymeric with reinforcement in the form of metallic bars, cages, or shapes; Type IV, polymeric with reinforcement in the form of non-metallic bars or cages; Type V, polymeric composite tube with a concrete core; and Type VI, any other polymeric piling meeting the requirements stated herein and not otherwise described by Types I through V. The polymeric tiles shall adhere to specified physical attributes such as size, cross-sectional shape, length, straightness, placement of reinforcement, and surface conditions. The performance requirements which pile specimens shall conform to include creep rupture, serviceability, flexural properties, shear strength, bearing strength, design flexural stiffness, energy absorption, compressive strength, combined stresses, dimensional stability (thermal expansion), hygrothermal cycling, and flame spread index.
SCOPE
1.1 This specification addresses the use of round and rectangular cross-section polymeric piles in axial and lateral load-bearing applications, including but not limited to marine, waterfront, and corrosive environments.  
1.2 This specification is only applicable to individual polymeric pile products. Sheet pile and other mechanically connected polymeric pile products using inter-locking systems, are not part of this specification.  
1.3 The piling products considered herein are characterized by the use of polymers, whereby (1) the pile strength or stiffness requires the inclusion of the polymer, or (2) a minimum of fifty percent (50 %) of the weight or volume is derived from the polymer. The type classifications of polymeric piles described in Section 4 show how they can be reinforced by composite design for increased stiffness or strength.  
1.4 This specification covers polymeric piles fabricated from materials that are virgin, recycled, or both, as long as the finished product meets all of the criteria specified herein. Diverse types and combinations of inorganic filler systems are permitted in the manufacturing of polymeric piling products. Inorganic fillers include such materials as talc, mica, silica, wollastonite, calcium carbonate, etc. Pilings are often placed in service where they will be subjected to continuous damp or wet exposure conditions. Due to concerns of water sensitivity and possible affects on mechanical properties in such service conditions, organic fillers, including lignocellulosic materials such as those made or derived from wood, wood flour, flax shive, rice hulls, wheat straw, and combinations thereof, are not permitted in the manufacturing of polymeric piling products.  
1.5 The values are stated in inch-pound units as these are currently the most common units used by the construction industry.  
1.6 Polymeric piles under this specification are designed using design stresses determined in accordance with Test Methods D6108, D6109, and D6112 and procedures contained within this specification unless otherwise specified.  
1.7 Although in some instances it will be an important component of the pile design, frictional properties are currently beyond the scope of this document.  
1.8 Criteria for design are included as part of this specification for polymeric piles. Certain Types and...

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ASTM
ASTM D7486-22(Test Method)
Standard Test Method for Measurement of Fines and Dust Particles on Plastic Pellets by Wet Analysis

SIGNIFICANCE AND USE
5.1 Molding and extruding plastic pellets require dust free, dry pellets to prevent processing problems. Plastic producers try to remove the dust and streamers with dust removal systems prior to packaging and loading. How to accurately measure dust and streamer content in plastic pellets is an important quality control issue.  
5.2 Particle size analysis is used to determine a percentage of particle size distribution from a representative sample of the whole. In terms of size analysis concerning plastic pellets, sieving is used to determine the dust content in the range of 500 to 2000 micron. Test Method D1921, Test Method B, is used to determine this type of particle sizing.  
5.3 After dry sieve analysis, particles smaller than 500 microns need to be analyzed by wet method. A fresh sample shall be used for wet analysis. This test method allows washing down the fines attached to the pellets by electrostatic forces.  
5.4 The wet analysis provides accurate quantification of small to large amounts of fines, negating static effects, and eliminating detrimental effects of mechanical agitation. A wet analysis must be employed to accurately quantify lower PPM dust levels in plastic pellets.
SCOPE
1.1 This test method measures the amount of fine particles adhered on plastic pellets or granules in which they are commonly produced and supplied. The lower limit of this test method is restricted only by the porosity of the filter disc used to capture the particle size being quantified.  
1.2 The wet analysis technique allows for separation and collection of statically charged particles by liquid wash and filtration methods. This must be performed under standard laboratory conditions.  
1.3 The values stated in SI units are to be regarded as standard.  
1.4 This test method describes an essential practice to check the quality of plastics once the production cycle is terminated and to evaluate the performance of pellet cleaning systems or of the special pneumatic conveying systems for the distinct size fractions below 500 micron only.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.
Note 1: There is no known ISO equivalent to this standard.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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