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PRODUCT PROPERTIES:
Good white color 12 Micron Fibers 1/64" max. length. Length to diameter ratio of 4.84 average. Specific gravity -- 40% glass -- 1.46 e No clumps or nodules. Free of binder or sizing, e Specially processed. Free flowing.
Shipped 35 U carton -- 36 ctns/pallet.
Easily mixed. . Easily applied,
e High glass loadings possible. Good dimensional stability. Serve as part of a glass/resin barrier. Low shrink factor. Will reduce material and labor cost. TYPICAL BATCH (Gel Coat Support Coat) 49.7% (by wgt) General Purpose Polyester Resin -- prepromoted 39.8% (by wgt) Vitro-Strand "G"
9.9% (by wgt) Gel Coat 0.6% (by wgt) Thixotropic Agent.
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Johns-Manvilli8 Fiber Glass Reinforcement for Plastics
Product Data
Type G Page 3
MECHANICAL PROPERTIES:
TABLE I VITRO--STRAND STEP LAMINATES1
REPORT TDG-65-316
THICKNESS OF BACKUP COATING, IN.
0.0
0.020
0.030
0.040
*IZOD IMPACT STRENGTH, FT. LBS...................
7.7
8.4 8.8 10.2
RANGE (N-5)
(4.9-11.2)
' 17.4-9.9)
(6.7-10.7)
(7.8-11.9)
FLEXURAL STRENGTH, DRV. PSI (N-5)
36,600
35,200
33,700
38,200
RANGE X 103
s
TOTAL LAMINATE THICKNESS. IN.
(32.4-40.6)
(33.8-36.2)
(31.5-36.1)
(36.3-40.8)
0.118
0.128
0.140
0.132
(AVERAGE OF 10MEAS.)
'Impact made using 50 inch-pound pendulum flatwise against gel coated surface of test sample.
^ Laminate was:
A. Gelcoat -- 12 Mils B. Support coat -- 40% Vitro-Strands in 5 poise-double promoted resin (where applicable) C. One layer -- (630) 1 1/2 oz. mat D. One layer -- 27 oz. woven roving E. Laminates post cured 1 hour at 235F
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MECHANICAL PROPERTIES (Continued)
TABLE II VITRO--STRAND LAMINATE COMPARISON , (RESIN SUPPORTED VS. GLASS/RESIN SUPPORTED)
TYPE C Page 4
SSR #-27-9
SSR #27-5
Gel Coat Mills
12-15
12-15
Supporting Mill Thickness
Layer
.040" 100% resin
.040" 40% Vitro
Strand 60% resin
Laminate Construction
(24 oz.WR) (24 oz. WR)
Drop Ball
Reverse Impact (Gel Coat Down) Avg. Thickness,
inches
5.5 .118"
Flexural Strength (Gel Coat Down) Avg. Thickness,
inches
9,100 .115"
Tensile Strength
(Gel Coat Oriented
same)
5,794
Avg. Thickness,
inches
.130"
9.0 .096"
10,300 .093"
14,600 .095"
SSR
ft 27--8
12-15
SSR #27-3
12-15
SSR
H 27-2
12-15
SSR
4i 27-11
12-15
SSR
I t 27--6
12-15
.040" 100% resin
.040" 40% Vitro
Strand 60% resin
.040" 40% 1/32" Milled Fiber 60% resin
.040" 100% resin
.040" 40% Vitr
Stranc 60% resir
(6 oz. cloth -- 24 oz.WR)
(6 oz. cloth -- 24 oz.WR)
(6 oz. cloth 24 oz.WR)
9.0 .123"
8.5 097"
6.0 .093"
(I'/j oz. mat -- 24 oz.WR)
(1 Vi oz. r 24 oz. W
13.0 .151"
12.0 .129"
9,400 .141"
10,800 .101"
10,400 .094"
14,900 .153"
10,900 .134"
12,360 - .126"
14,600 .105'"
14,900 .094"
9,000 .160"
11,000 .138"
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Johns-Manville Fiber Glass Reinforcement for Plastics
Product Data
TYPE G Pago 5
MECHANICAL PROPERTIES (Continued)
TABLE III
VITRO--STRAND PUTTIES ' TDGSSR 66-40
Casting Description
1% -- 'Cab-o-sil 38% resin12 61% - Filler (100% Calcium Carbonate)
1% Cab-o-sil 38% resin
1% Cab-o-sil 38% resin
61% - Filler
61% - Filler
(60% Calcium Carbonate --
(100% VitroStrand)
40% Vitro-Strand)
1% Cab-o-sil 80% resin 3 20% - Filler
(60% Vitro-
A Strand -- 40%
Perlite PAB
1% Cab-o-sil 80% resin 20% - Filler
(60% Vitro-Strand-- 40% Perlite f'A 420)
Flexurals (PSI) Range x103 4 Thickness Avg.
6002
(3.56-8.79) .127"
7113
5.02-9.0 .146"
7567
5.32-13.1 .127"
3995
3.35-4.81 .242"
2937
2.57-3.39 .225"
Impact--Avg. Ft.lb./inch notch Range Thickness Avg.
0.504 0.190-1.141 .148"
0.454 0.319-0.622 .183"
1.126 0.529-1.358 .131"
0.321 0.208-0.426 .273"
0.278 0.174-0.393 .272"
1. Registered trademark of Godfrey L. Cabot Co. 2. Resin - UM 1001 WF 3. Max % that could be incorporated - high resin absorption 4. Trademark of Johns-Manville
Note: Two 18 inch square laminates made with one ply 1% oz. mat and 1 ply 24 oz. WR were bonded together with a mix of 60% resin per 40% Vitro-Strand Average Flexural values were 36, 467 PSI with a range of 30, 400 39,800.
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