《GMB-EMS.AI-0423-1996.pdf》由会员分享，可在线阅读，更多相关《GMB-EMS.AI-0423-1996.pdf（10页珍藏版）》请在三一文库上搜索。
1、ENG1 N EERI N G MATERIAL SPECIFICATION PRODUCT ENGINEERING BRASIL Magnetic insulation plates Placas isolantes magnticas 1 Description Bitumen-based material in plates, containing magnetized barium ferrite as mineral component and a surface of paper or plastic film. This material is applied by hot fu
2、sion and used for panel acoustic insulation, such as door panels, inclined areas of floor panels, roof panels and similar applications. Material shall be designed to withstand low temperatures after having been fused on substrate. Contact magnetic strength of parts shall be sufficient to prevent sli
3、ding from its application places. 1.1 Types 1 .I .I EMS.Al.0423 Material as described above for fusion at 130 OC f 5 OC for 15 minutes (SCS) or 140 O C f 5 O C for 17 minutes (Commercial use - SJC). 1 .I .2 EMS.Al.0423-A Material as described above for fusion at 165 O C -t: 5 O C for 20 minutes (Aut
4、omobiles - SJC) 1 Descrio Material em placas base de betume contendo ferrita de bario magnetizada como carga mineral e superficialmente papel ou filme plstico. O material aplicado quente por fuso, utilizado para isolao acstica de painis, como por exemplo, o painel da porta, regies inclinadas do pain
5、el do assoalho, painel do teto e aplicaes similares. O material deve ser formulado para resistir a baixas temperaturas aps sua fuso sobre o substrato. O contato das peas chapa por ao magntica deve ser suficiente para mant-las em seus locais de aplicao. 1.1 Tipos 1 .I .I EMS.Al.0423 Material de acord
6、o com descrio acima para condiqes de fuso de 130 OC f 5 O C por 15 minutos (SCS) ou 140 O C k 5 O C por 17 minutos (Commerciais - SJC). 1.1.2 EMS.Al.0423-A Material de acordo com descrio acima para condies de fuso de 165 O C -I 5 O C por 20 minutos (Automveis - SJC) APPROVED BY: L.L. CERLINI N E T -
7、 ! REVISION: 06/96 EMS.Al.0423 - - .-.-_I- - I - - - - - - - PAGE: 2 of I O 2 Requirements 2.1 Material As described above, containing a gciod quality paper on :surface so as b o allow a satisfactory adhesioii to other self- adhesive insulators, or materials with adhesive application on manufacture
8、(s.g. roof panel felt), or material containing siliconized paper or polyethylene film for parts not submitted to this conditions (e3.g. door panel). Whitecolored plolyethylene films with approximate thickness of Q.07 mm shall be used as separators to parts which winlain superficial paper without ant
9、i-adherent treatment, intending to prevent blocking on storage. 2 . 2 Total weigh. (LTP.EM.124) 4500 g/m2 to 5000 g/ni2 2 . 3 Thickness (I-TP.,41.093) 2.0 mrn to 2.5 mm 2.4 Tensile strength (Test specimeri!; according to ASTIVI - D3574, fig. I, at speed of 50 mrri/rnin.7 temperature of L i 3 OC f 2
10、OC, and relative humidity of 65% t 5%) Longitudinal arid transversal: miii. 14 kgflcm. 2 Requisitos Conforme t k?scrit$io acinia, c:ontendo supenficialme 7te papel de qualidade a permitir ader aut )-adesivos ou (coin aplicao de adesivo ria produco (ex. feltro do painel do tetcl, ou material conltend
11、o papel siliumizado DU filme de polietileno para peps no siIjeitas ii estas situahoes (ex. painel da por:a). . Filmes de plilietileno de cor branca com espessura a l roximacla de 0,07 mrn devem ser utilizados como separadores das ,peas nos casos onde as mesmas contm supcxficialmE nte papel sem trata
12、mento anti-aderente , objetivando evitar blequea- meritos do ar maenamento. 2 . 2 Peco to :al (LTP.EM.124) 4500 g/im2 si 5000 g/rn2 2 . 3 Espess!.wa (LTP.AI.093) 2,O mni a 2 5 mm 2.4 Resiste rncia a traao (Ccirpos dc prova confcirrrie ASTM - D3574, fig. 1, veloc:idade de 50 mrn/min., terriperatura d
13、e 23 “C k 2 “C e 1574) 2 5% de umidade relativa Longitudina e transversal: 14 kgf/crn2 min. -,-,- EMS.Al.0423 PAGE 3 o f 10 2.5 Flexibility 50 mm to 70 mm Take test specimens of 250 mm x 50 mm from longitudinal and transversal directions and place them individually on device shown on fig. 1 at tempe
14、rature of 23 O C f 2 O C and relative humidity of 65% f 5%. Loosen parts of test specimens, having 100 mm, are held in this condition for 10 minutes. 2.6 Calcination residues Samples with approximately 5 grams when submitted at temperature of 760 O C f 1 O OC for one hour, shall present residue betw
15、een 70% and 80%. 2.7 Blocking characteristics Submit five superposed test specimens of 200 mm x 50 mm between two steel plates of same dimensions and on the assembly a central load corresponding to 50 test specimens. After 24 hours at temperature of 40 O C 5 2 OC and cooling down at 23 O C 2 2 OC, r
16、emove the load and the upper steel plate, and separate test specimens one by one; without occurrence of rupture, difficult removals, auxiliary films removal, etc. shall not be observed. In case utilization of plastic films as separators on storage is required, these films shall be used between test
17、specimens and inspections shall be performed as indicated above. 2.5 Flexibilidade 50 mm a 70 mm Corpos de prova com 250 mm x 50 mm devem ser retirados nas direes longitudinal e transversal e colocados individualmente no disposuvo mostrado na figura 1 a temperatura de 23 O C 2 2 O C e 65% f 5% de um
18、idade relativa. A parte livre do corpo de prova, que deve ser de 100 mm, mantida nesta situao por I O minutos 2.6 Resduos da calcinao Uma amostra com aproximadamente 5 gramas quando submetida a 760 O C I 10C por uma hora, deve apresentar resduo entre 70% e 80%. 2.7 Caractersticas de bloqueamento Cin
19、co corpos de prova com 200 mm x 50 mm devem ser posicionados um sobre o outro entre duas chapas de ao de igual tamanho e sobre o conjunto um peso equivalente a 50 corpos de prova. Aps 24 horas a temperatura de 40 O C 2 2 O C e resfriamento a 23 O C tr: 2 OC, o peso e a chapa superior so removidos e
20、os corpos de prova separados um a um sem que ocorram rupturas, aderncia por contato com dificuldade de separao, remoo de pelculas auxiliares, etc. Nos casos em que ha necessidade de utilizao de filmes plsticos co.mo separadores durante a estocagem, o teste deve ser efetuado utilizando-se estes filme
21、s entre os corpos de prova e as inspees acima descritas realizadas da mesma forma. REVISION: 06/96 -,-,- IE M S. AI. 0423 I - - - - - - _ . - I I _ - . . . - I - _ I- - PAGE: 4 of i 0 2.8 Loss factor )(as per GME 60295, Part 4, at 200 Hz) o O C +IO “C +20 O C +30 O C +40 O C 6 0 “C min. 0.07 rnin. 0
22、.08 min. 0.10 min. 0.08 min. 0.05 min. 0.025 2.9 Adherence biy fusion Apply a material strip of 250 mm x 50 rnm with a slight pressure on a flat panel c)r in the nearest position to its applicaticr on vehicle body, painted with elpo-cathrxlic EMS.9309738 (iriaximum time interval for panel use after
23、preparation: 72 how:;). Place the assembly immediately aft er preparation in an air-circulating civm positioned similairly to its place on vle assembly, according to time and temperature listed below. Material shall be perfectly molded to pariel and adherence with cohesion failure shall be observed
24、after cooling. Sliding, sagirig, dripping, bubble formation and/or other objetionable effects shall not be observed. 2.9.1 Method A - So Caetano clc !5ul Process 130C f 5OC for 15 minutes (EMS.AI.0423) 2.9.2 Method E3 - So .IOive1 do seu local de aplicao na carroceria, pintado corri elpo catdico EMS
25、.9309718 (tempo mxirrio para utilizaiio dc painel aps a prleparao: 72 horas). Colocar o conjunto logo aps a preparaqo em estufa corn ar circulante, porlionando- se de maneira idntica situn loss of adhesion, cracking, layer separation, etc. shall riot tie observed. 2.13 Resistance to envirorarrierntr
26、il conditions Test specimen prepared and submitted to heating as described in item 2.9 ai7d cooled at 23 OC :t 2 O C shall be individii.ially submitted to conditions below. Decomposition, loss of adherence or impairment of application surface shall riot be observed on rnaterial. 2.1 I Dobran iento O
27、 corpo de prova submetido ao calor conforme itcm 2.10 e a temperatura ambiente at no podendo ccorrer perda de adernci; 1, trincas, delaffiina6ssl etc. 2.1 3 FZesis tncia s i nfl u6nciac amlbientais Corpos de F rova preparados (3 submetidos ao calor (:onforme o item 2.9 aps resfriarem a temperatura d
28、e 23 “C _+ 2 OC devem ser s dbmetidos indicfidiLiaIrnerite nas cordies a laixo especificadas. (3 material no deve d ?teriorar, perder aderricia ou afetar ii sup wfcie de aplicaio. RlEV181 OY: 06/96 -,-,- EMS.Al.0423 PAGE 7 of I O 2.13.1 Salt spray exposure Exposure to a salt spray chamber for 168 ho
29、urs as per GM 4298P. 2.13.2 Humidity exposure Exposure to a wet chamber at 38 O C k 2 O C and relative humidity of 98% t- 2% for 168 hours as per GM 4465P. 2.13.3 Aging Exposure to a air-circulating oven at temperature of 70 O C k 2 O C for 336 hours. 2.14 Magnetic force (Whole part is used for this
30、 test) A quarter of part is fixed by magnetic force on a plate painted with high film build electrocoated primer EMS.9309738 and positioned in horizontal position (see figure Let the other three quarters of part free; the quarter fixed on the plate shall support the whole weight of part, not falling
31、 from this position. 2). 2.15 Odor (LTP.EM.128 (A2) (B2) Minimum rating: 6 Perform this test after fusion of material as described in item 2.9 on a clean steel plate of proper dimensions to this test and cooled at temperature of 23 O C k 2 OC. 2.13.1 Exposio nvoa salina Exposio por 168 horas em cmar
32、a de nvoa salina conforme GM 4298P. h 2.13.2 Exposio umidade Exposio por 168 horas em cmara de umidade a 38 O C -+_ 2 O C e 98% I2% de umidade relativa conforme GM 4465P. 2.1 3.3 Envelhecimento Exposio por 336 horas a temperatura de 70 O C k 2 O C em estufa com ar circulante. 2.1 4 Fora magntica (Te
33、ste efetuado com a pea inteira) Um quarto do tamanho da pea fixado por fora magntica numa chapa pintada com primer eletroltico de alta camada EMS.9309738, estando na posio vertical (ver figura 2). Os trs quartos restantes devem permanecer livres e a parte em contato com a chapa no deve desprender-se
34、 suportando completamente o peso da pea- 2.15 Odor (LTP.EM.128 (A2) (B2) Nota: 6 mnimo O teste deve ser efetuado aps a fuso do material conforme item 2.9, porem sobre chapa de ao limpa com dimenses apropiadas para execuo do teste e resfriado temperatura de 23 OC -t 2 “C. REVISION: 06/96 2.16 Flammab
35、ility (L.TP.EM.129 (B4-A) 2.16 Fianiabilidade (LTP.EM.129 (B4-A) Test specimen shall be submitted to O corpo de priva deve ser submetido ao heating as described in item 2.9 on a calsr conformt. item 2.3 sobre chapa de cleaned steel plate of proper dimensioris io ao limpa CO n dimenses apropriadas co
36、mply with standarld indicated above, and para iatender 5 norma acima clescrita, e cooled at temperature o f 23 O C _+ 2 “C. iresfriado a tem xratura de 23 O C b I 2 “C. - 2.17 Stability :%I7 Estabilidade Changes on material characteristics shall As caractersti 2 s do material no devem not be observe
37、d up to 30 days of storage ser alteradzs at61 30 dias de at temperatures below 35 “C. armazenameni o com temperaturas no superiiores a 3% i “C. -,-,- PAGE 9 of I O EMS.Al.0423 Fig. 1 Flexibility Adjustable base Scale Magnetized part e- Load Test specimen Device Fig. 2 Plate with high film build eletrocoated primer support Referncia Reference Toromatic Mag 4800/325/2.0 - Toro Ind renumerated, was EMS 423 SPECIFICATION RELEASE: PREPARED BY : L.L. CERLINI N E T L - . RESPONSIBLE : L.L. CERLINI N E - O1 02 03 04 05 DOCUMENT I DATE 03/83 09/90 0419 1 06/94 06/96